" . __( 'For best performance you should enable "Mobile device support" or delete the mobile rewrite rules in your .htaccess. Look for the 2 lines with the text "2.0\ MMP|240x320" and delete those.', 'wp-super-cache' ) . "
" . __( 'This will have no affect on ordinary users but mobile users will see uncached pages.', 'wp-super-cache' ) . "
";
} elseif ( $wp_cache_mod_rewrite && $cache_enabled && $wp_cache_mobile_enabled && $scrules != '' && (
( '' != $wp_cache_mobile_prefixes && false === strpos( $scrules, addcslashes( str_replace( ', ', '|', $wp_cache_mobile_prefixes ), ' ' ) ) ) ||
( '' != $wp_cache_mobile_browsers && false === strpos( $scrules, addcslashes( str_replace( ', ', '|', $wp_cache_mobile_browsers ), ' ' ) ) ) )
) {
?>
' . __( "Warning! You attempted to enable compression but zlib.output_compression is enabled. See #21 in the Troubleshooting section of the readme file.", 'wp-super-cache' ) . '
';
} else {
if ( $new_cache_compression != $cache_compression ) {
$cache_compression = $new_cache_compression;
wp_cache_replace_line('^ *\$cache_compression', "\$cache_compression = " . $cache_compression . ";", $wp_cache_config_file);
if ( function_exists( 'prune_super_cache' ) )
prune_super_cache( $cache_path, true );
delete_option( 'super_cache_meta' );
}
}
}
}
}
if ( isset( $_GET[ 'page' ] ) && $_GET[ 'page' ] == 'wpsupercache' )
add_action( 'admin_init', 'wp_cache_manager_updates' );
function wp_cache_manager() {
global $wp_cache_config_file, $valid_nonce, $supercachedir, $cache_path, $cache_enabled, $cache_compression, $super_cache_enabled;
global $wp_cache_clear_on_post_edit, $cache_rebuild_files, $wp_cache_mutex_disabled, $wp_cache_mobile_enabled, $wp_cache_mobile_browsers, $wp_cache_no_cache_for_get;
global $wp_cache_not_logged_in, $wp_cache_make_known_anon, $wp_supercache_cache_list, $cache_page_secret;
global $wp_super_cache_front_page_check, $wp_cache_refresh_single_only, $wp_cache_mobile_prefixes;
global $wp_cache_mod_rewrite, $wp_supercache_304, $wp_super_cache_late_init, $wp_cache_front_page_checks, $wp_cache_disable_utf8, $wp_cache_mfunc_enabled;
global $wp_super_cache_comments, $wp_cache_home_path, $wpsc_save_headers, $is_nginx;
if ( !wpsupercache_site_admin() )
return false;
// used by mod_rewrite rules and config file
if ( function_exists( "cfmobi_default_browsers" ) ) {
$wp_cache_mobile_browsers = cfmobi_default_browsers( "mobile" );
$wp_cache_mobile_browsers = array_merge( $wp_cache_mobile_browsers, cfmobi_default_browsers( "touch" ) );
} elseif ( function_exists( 'lite_detection_ua_contains' ) ) {
$wp_cache_mobile_browsers = explode( '|', lite_detection_ua_contains() );
} else {
$wp_cache_mobile_browsers = array( '2.0 MMP', '240x320', '400X240', 'AvantGo', 'BlackBerry', 'Blazer', 'Cellphone', 'Danger', 'DoCoMo', 'Elaine/3.0', 'EudoraWeb', 'Googlebot-Mobile', 'hiptop', 'IEMobile', 'KYOCERA/WX310K', 'LG/U990', 'MIDP-2.', 'MMEF20', 'MOT-V', 'NetFront', 'Newt', 'Nintendo Wii', 'Nitro', 'Nokia', 'Opera Mini', 'Palm', 'PlayStation Portable', 'portalmmm', 'Proxinet', 'ProxiNet', 'SHARP-TQ-GX10', 'SHG-i900', 'Small', 'SonyEricsson', 'Symbian OS', 'SymbianOS', 'TS21i-10', 'UP.Browser', 'UP.Link', 'webOS', 'Windows CE', 'WinWAP', 'YahooSeeker/M1A1-R2D2', 'iPhone', 'iPod', 'iPad', 'Android', 'BlackBerry9530', 'LG-TU915 Obigo', 'LGE VX', 'webOS', 'Nokia5800' );
}
if ( function_exists( "lite_detection_ua_prefixes" ) ) {
$wp_cache_mobile_prefixes = lite_detection_ua_prefixes();
} else {
$wp_cache_mobile_prefixes = array( 'w3c ', 'w3c-', 'acs-', 'alav', 'alca', 'amoi', 'audi', 'avan', 'benq', 'bird', 'blac', 'blaz', 'brew', 'cell', 'cldc', 'cmd-', 'dang', 'doco', 'eric', 'hipt', 'htc_', 'inno', 'ipaq', 'ipod', 'jigs', 'kddi', 'keji', 'leno', 'lg-c', 'lg-d', 'lg-g', 'lge-', 'lg/u', 'maui', 'maxo', 'midp', 'mits', 'mmef', 'mobi', 'mot-', 'moto', 'mwbp', 'nec-', 'newt', 'noki', 'palm', 'pana', 'pant', 'phil', 'play', 'port', 'prox', 'qwap', 'sage', 'sams', 'sany', 'sch-', 'sec-', 'send', 'seri', 'sgh-', 'shar', 'sie-', 'siem', 'smal', 'smar', 'sony', 'sph-', 'symb', 't-mo', 'teli', 'tim-', 'tosh', 'tsm-', 'upg1', 'upsi', 'vk-v', 'voda', 'wap-', 'wapa', 'wapi', 'wapp', 'wapr', 'webc', 'winw', 'winw', 'xda ', 'xda-' ); // from http://svn.wp-plugins.org/wordpress-mobile-pack/trunk/plugins/wpmp_switcher/lite_detection.php
}
$wp_cache_mobile_browsers = apply_filters( 'cached_mobile_browsers', $wp_cache_mobile_browsers ); // Allow mobile plugins access to modify the mobile UA list
$wp_cache_mobile_prefixes = apply_filters( 'cached_mobile_prefixes', $wp_cache_mobile_prefixes ); // Allow mobile plugins access to modify the mobile UA prefix list
if ( function_exists( 'do_cacheaction' ) ) {
$wp_cache_mobile_browsers = do_cacheaction( 'wp_super_cache_mobile_browsers', $wp_cache_mobile_browsers );
$wp_cache_mobile_prefixes = do_cacheaction( 'wp_super_cache_mobile_prefixes', $wp_cache_mobile_prefixes );
}
$mobile_groups = apply_filters( 'cached_mobile_groups', array() ); // Group mobile user agents by capabilities. Lump them all together by default
// mobile_groups = array( 'apple' => array( 'ipod', 'iphone' ), 'nokia' => array( 'nokia5800', 'symbianos' ) );
$wp_cache_mobile_browsers = implode( ', ', $wp_cache_mobile_browsers );
$wp_cache_mobile_prefixes = implode( ', ', $wp_cache_mobile_prefixes );
if ( false == apply_filters( 'wp_super_cache_error_checking', true ) )
return false;
if ( function_exists( 'get_supercache_dir' ) )
$supercachedir = get_supercache_dir();
if( get_option( 'gzipcompression' ) == 1 )
update_option( 'gzipcompression', 0 );
if( !isset( $cache_rebuild_files ) )
$cache_rebuild_files = 0;
$valid_nonce = isset($_REQUEST['_wpnonce']) ? wp_verify_nonce($_REQUEST['_wpnonce'], 'wp-cache') : false;
/* http://www.netlobo.com/div_hiding.html */
?>
';
echo '';
echo '
' . __( 'WP Super Cache Settings', 'wp-super-cache' ) . ' ';
// Set a default.
if ( false === $cache_enabled && ! isset( $wp_cache_mod_rewrite ) ) {
$wp_cache_mod_rewrite = 0;
} elseif ( ! isset( $wp_cache_mod_rewrite ) && $cache_enabled && $super_cache_enabled ) {
$wp_cache_mod_rewrite = 1;
}
$admin_url = admin_url( 'options-general.php?page=wpsupercache' );
$curr_tab = ! empty( $_GET['tab'] ) ? sanitize_text_field( stripslashes( $_GET['tab'] ) ) : ''; // WPCS: sanitization ok.
if ( empty( $curr_tab ) ) {
$curr_tab = 'easy';
if ( $wp_cache_mod_rewrite ) {
$curr_tab = 'settings';
echo '
' . __( 'Notice: Expert mode caching enabled . Showing Advanced Settings Page by default.', 'wp-super-cache' ) . '
';
}
}
if ( 'preload' === $curr_tab ) {
if ( true == $super_cache_enabled && ! defined( 'DISABLESUPERCACHEPRELOADING' ) ) {
global $wp_cache_preload_interval, $wp_cache_preload_on, $wp_cache_preload_taxonomies, $wp_cache_preload_email_me, $wp_cache_preload_email_volume, $wp_cache_preload_posts, $wpdb;
$count = wpsc_post_count();
if ( $count > 1000 ) {
$min_refresh_interval = 720;
} else {
$min_refresh_interval = 30;
}
$return = wpsc_preload_settings( $min_refresh_interval );
$msg = '';
if ( empty( $return ) == false ) {
foreach ( $return as $message ) {
$msg .= $message;
}
}
$currently_preloading = false;
$preload_counter = get_option( 'preload_cache_counter' );
if ( isset( $preload_counter['first'] ) ) { // converted from int to array
update_option( 'preload_cache_counter', array( 'c' => $preload_counter['c'], 't' => time() ) );
}
if ( is_array( $preload_counter ) && $preload_counter['c'] > 0 ) {
$msg .= '
' . sprintf( esc_html__( 'Currently caching from post %d to %d.', 'wp-super-cache' ), ( $preload_counter['c'] - 100 ), $preload_counter['c'] ) . '
';
$currently_preloading = true;
if ( @file_exists( $cache_path . 'preload_permalink.txt' ) ) {
$url = file_get_contents( $cache_path . 'preload_permalink.txt' );
$msg .= '
' . sprintf( __( 'Page last cached: %s', 'wp-super-cache' ), $url ) . '
';
}
if ( $msg != '' ) {
echo '
' . esc_html__( 'Preload Active', 'wp-super-cache' ) . ' ' . $msg;
echo '
';
echo '
';
}
}
next_preload_message( 'wp_cache_preload_hook', __( 'Refresh of cache in %d hours %d minutes and %d seconds.', 'wp-super-cache' ), 60 );
next_preload_message( 'wp_cache_full_preload_hook', __( 'Full refresh of cache in %d hours %d minutes and %d seconds.', 'wp-super-cache' ) );
}
}
wpsc_admin_tabs( $curr_tab );
if ( isset( $wp_super_cache_front_page_check ) && $wp_super_cache_front_page_check == 1 && ! wp_next_scheduled( 'wp_cache_check_site_hook' ) ) {
wp_schedule_single_event( time() + 360, 'wp_cache_check_site_hook' );
wp_cache_debug( 'scheduled wp_cache_check_site_hook for 360 seconds time.', 2 );
}
if ( isset( $_REQUEST['wp_restore_config'] ) && $valid_nonce ) {
unlink( $wp_cache_config_file );
echo '
' . esc_html__( 'Configuration file changed, some values might be wrong. Load the page again from the "Settings" menu to reset them.', 'wp-super-cache' ) . ' ';
}
if ( substr( get_option( 'permalink_structure' ), -1 ) == '/' ) {
wp_cache_replace_line( '^ *\$wp_cache_slash_check', "\$wp_cache_slash_check = 1;", $wp_cache_config_file );
} else {
wp_cache_replace_line( '^ *\$wp_cache_slash_check', "\$wp_cache_slash_check = 0;", $wp_cache_config_file );
}
$home_path = parse_url( site_url() );
$home_path = trailingslashit( array_key_exists( 'path', $home_path ) ? $home_path['path'] : '' );
if ( ! isset( $wp_cache_home_path ) ) {
$wp_cache_home_path = '/';
wp_cache_setting( 'wp_cache_home_path', '/' );
}
if ( "$home_path" != "$wp_cache_home_path" ) {
wp_cache_setting( 'wp_cache_home_path', $home_path );
}
if ( $wp_cache_mobile_enabled == 1 ) {
update_cached_mobile_ua_list( $wp_cache_mobile_browsers, $wp_cache_mobile_prefixes, $mobile_groups );
}
?>
';
wp_cache_files();
break;
case 'preload':
wpsc_render_partial(
'preload',
compact(
'cache_enabled',
'super_cache_enabled',
'admin_url',
'wp_cache_preload_interval',
'wp_cache_preload_on',
'wp_cache_preload_taxonomies',
'wp_cache_preload_email_me',
'wp_cache_preload_email_volume',
'wp_cache_preload_posts',
)
);
break;
case 'plugins':
wpsc_plugins_tab();
break;
case 'debug':
wpsc_render_partial(
'debug',
compact( 'wp_super_cache_debug', 'wp_cache_debug_log', 'wp_cache_debug_ip', 'cache_path', 'valid_nonce', 'wp_cache_config_file', 'wp_super_cache_comments', 'wp_super_cache_front_page_check', 'wp_super_cache_front_page_clear', 'wp_super_cache_front_page_text', 'wp_super_cache_front_page_notification', 'wp_super_cache_advanced_debug', 'wp_cache_debug_username' )
);
break;
case 'settings':
global $cache_acceptable_files, $wpsc_rejected_cookies, $cache_rejected_uri, $wp_cache_pages;
global $cache_max_time, $wp_cache_config_file, $valid_nonce, $super_cache_enabled, $cache_schedule_type, $cache_scheduled_time, $cache_schedule_interval, $cache_time_interval, $cache_gc_email_me, $wp_cache_preload_on;
wp_cache_update_rejected_pages();
wp_cache_update_rejected_cookies();
wp_cache_update_rejected_strings();
wp_cache_update_accepted_strings();
wp_cache_time_update();
wpsc_render_partial(
'advanced',
compact(
'wp_cache_front_page_checks',
'admin_url',
'cache_enabled',
'super_cache_enabled',
'wp_cache_mod_rewrite',
'is_nginx',
'wp_cache_not_logged_in',
'wp_cache_no_cache_for_get',
'cache_compression',
'cache_rebuild_files',
'wpsc_save_headers',
'wp_supercache_304',
'wp_cache_make_known_anon',
'wp_cache_mfunc_enabled',
'wp_cache_mobile_enabled',
'wp_cache_mobile_browsers',
'wp_cache_disable_utf8',
'wp_cache_clear_on_post_edit',
'wp_cache_front_page_checks',
'wp_cache_refresh_single_only',
'wp_supercache_cache_list',
'wp_cache_mutex_disabled',
'wp_super_cache_late_init',
'cache_page_secret',
'cache_path',
'cache_acceptable_files',
'wpsc_rejected_cookies',
'cache_rejected_uri',
'wp_cache_pages',
'cache_max_time',
'valid_nonce',
'super_cache_enabled',
'cache_schedule_type',
'cache_scheduled_time',
'cache_schedule_interval',
'cache_time_interval',
'cache_gc_email_me',
'wp_cache_preload_on',
)
);
wpsc_edit_tracking_parameters();
wpsc_edit_rejected_ua();
wpsc_lockdown();
wpsc_restore_settings();
break;
case 'easy':
default:
wpsc_render_partial(
'easy',
array(
'admin_url' => $admin_url,
'cache_enabled' => $cache_enabled,
'is_nginx' => $is_nginx,
'wp_cache_mod_rewrite' => $wp_cache_mod_rewrite,
'valid_nonce' => $valid_nonce,
'wp_super_cache_comments' => $wp_super_cache_comments,
)
);
break;
}
?>
Debug tab for diagnostics.', 'wp-super-cache' ), admin_url( 'options-general.php?page=wpsupercache&tab=debug' ) ); ?>
support forum and FAQ .', 'wp-super-cache' ), 'https://wordpress.org/support/plugin/wp-super-cache', 'https://wordpress.org/plugins/wp-super-cache/#faq' ); ?>
plugin homepage.', 'wp-super-cache' ), 'https://wordpress.org/plugins/wp-super-cache/' ); ?>
development version for the latest fixes (changelog ).', 'wp-super-cache' ), 'https://odd.blog/y/2o', 'https://plugins.trac.wordpress.org/log/wp-super-cache/' ); ?>
rate us and give feedback.', 'wp-super-cache' ), 'https://wordpress.org/support/plugin/wp-super-cache/reviews?rate=5#new-post' ); ?>
%2$s', 'wp-super-cache' ), date( 'M j, Y', $start_date ), number_format( get_option( 'wpsupercache_count' ) ) ); ?>
" . substr( $url['url'], 0, 20 ) . " \n";
}
?>
\n";
}
function wpsc_plugins_tab() {
echo '
' . esc_html__( 'Cache plugins are PHP scripts you\'ll find in a dedicated folder inside the WP Super Cache folder (wp-super-cache/plugins/). They load at the same time as WP Super Cache, and before regular WordPress plugins.', 'wp-super-cache' ) . '
';
echo '
' . esc_html__( 'Keep in mind that cache plugins are for advanced users only. To create and manage them, you\'ll need extensive knowledge of both PHP and WordPress actions.', 'wp-super-cache' ) . '
';
echo '
' . sprintf( __( 'Warning ! Due to the way WordPress upgrades plugins, the ones you upload to the WP Super Cache folder (wp-super-cache/plugins/) will be deleted when you upgrade WP Super Cache. To avoid this loss, load your cache plugins from a different location. When you set $wp_cache_plugins_dir to the new location in wp-config.php, WP Super Cache will look there instead. developer documentation .', 'wp-super-cache' ), 'https://odd.blog/wp-super-cache-developers/' ) . '
';
ob_start();
if ( defined( 'WP_CACHE' ) ) {
if ( function_exists( 'do_cacheaction' ) ) {
do_cacheaction( 'cache_admin_page' );
}
}
$out = ob_get_contents();
ob_end_clean();
if ( SUBMITDISABLED == ' ' && $out != '' ) {
echo '
' . esc_html__( 'Available Plugins', 'wp-super-cache' ) . ' ';
echo '
';
echo $out;
echo ' ';
}
}
function wpsc_admin_tabs( $current = '' ) {
global $cache_enabled, $super_cache_enabled, $wp_cache_mod_rewrite;
if ( '' === $current ) {
$current = ! empty( $_GET['tab'] ) ? stripslashes( $_GET['tab'] ) : ''; // WPCS: CSRF ok, sanitization ok.
}
$admin_url = admin_url( 'options-general.php?page=wpsupercache' );
$admin_tabs = array(
'easy' => __( 'Easy', 'wp-super-cache' ),
'settings' => __( 'Advanced', 'wp-super-cache' ),
'cdn' => __( 'CDN', 'wp-super-cache' ),
'contents' => __( 'Contents', 'wp-super-cache' ),
'preload' => __( 'Preload', 'wp-super-cache' ),
'plugins' => __( 'Plugins', 'wp-super-cache' ),
'debug' => __( 'Debug', 'wp-super-cache' ),
);
echo '
';
foreach ( $admin_tabs as $tab => $name ) {
printf( '%s ',
esc_attr( $tab === $current ? 'nav-tab nav-tab-active' : 'nav-tab' ),
esc_url_raw( add_query_arg( 'tab', $tab, $admin_url ) ),
esc_html( $name )
);
}
echo ' ';
}
function wpsc_restore_settings() {
$admin_url = admin_url( 'options-general.php?page=wpsupercache' );
wpsc_render_partial(
'restore',
compact( 'admin_url' )
);
}
function comment_form_lockdown_message() {
?>
\'\"\r\n\t\(\)\$\[\];#]/', '', $page ) );
if ( $page != '' ) {
$cached_direct_pages[] = $page;
$out .= "'$page', ";
}
}
if ( false == isset( $cached_direct_pages ) )
$cached_direct_pages = array();
}
if ( $valid_nonce && array_key_exists('new_direct_page', $_POST) && $_POST[ 'new_direct_page' ] && '' != $_POST[ 'new_direct_page' ] ) {
$page = str_replace( get_option( 'siteurl' ), '', $_POST[ 'new_direct_page' ] );
$page = str_replace( '..', '', preg_replace( '/[ <>\'\"\r\n\t\(\)\$\[\];#]/', '', $page ) );
if ( substr( $page, 0, 1 ) != '/' )
$page = '/' . $page;
if ( $page != '/' || false == is_array( $cached_direct_pages ) || in_array( $page, $cached_direct_pages ) == false ) {
$cached_direct_pages[] = $page;
$out .= "'$page', ";
@unlink( trailingslashit( ABSPATH . $page ) . "index.html" );
wpsc_delete_files( get_supercache_dir() . $page );
}
}
if ( $out != '' ) {
$out = substr( $out, 0, -2 );
}
if ( $out == "''" ) {
$out = '';
}
$out = '$cached_direct_pages = array( ' . $out . ' );';
wp_cache_replace_line('^ *\$cached_direct_pages', "$out", $wp_cache_config_file);
if ( !empty( $expiredfiles ) ) {
foreach( $expiredfiles as $file ) {
if( $file != '' ) {
$firstfolder = explode( '/', $file );
$firstfolder = ABSPATH . $firstfolder[1];
$file = ABSPATH . $file;
$file = realpath( str_replace( '..', '', preg_replace('/[ <>\'\"\r\n\t\(\)]/', '', $file ) ) );
if ( $file ) {
@unlink( trailingslashit( $file ) . "index.html" );
@unlink( trailingslashit( $file ) . "index.html.gz" );
RecursiveFolderDelete( trailingslashit( $firstfolder ) );
}
}
}
}
if ( $valid_nonce && array_key_exists('deletepage', $_POST) && $_POST[ 'deletepage' ] ) {
$page = str_replace( '..', '', preg_replace('/[ <>\'\"\r\n\t\(\)]/', '', $_POST['deletepage'] ) ) . '/';
$pagefile = realpath( ABSPATH . $page . 'index.html' );
if ( substr( $pagefile, 0, strlen( ABSPATH ) ) != ABSPATH || false == wp_cache_confirm_delete( ABSPATH . $page ) ) {
die( __( 'Cannot delete directory', 'wp-super-cache' ) );
}
$firstfolder = explode( '/', $page );
$firstfolder = ABSPATH . $firstfolder[1];
$page = ABSPATH . $page;
if( is_file( $pagefile ) && is_writeable_ACLSafe( $pagefile ) && is_writeable_ACLSafe( $firstfolder ) ) {
@unlink( $pagefile );
@unlink( $pagefile . '.gz' );
RecursiveFolderDelete( $firstfolder );
}
}
return $cached_direct_pages;
}
function wpsc_lockdown() {
global $cached_direct_pages, $cache_enabled, $super_cache_enabled;
$admin_url = admin_url( 'options-general.php?page=wpsupercache' );
$wp_lock_down = wp_update_lock_down();
wpsc_render_partial(
'lockdown',
compact( 'cached_direct_pages', 'cache_enabled', 'super_cache_enabled', 'admin_url', 'wp_lock_down' )
);
}
function RecursiveFolderDelete ( $folderPath ) { // from http://www.php.net/manual/en/function.rmdir.php
if( trailingslashit( constant( 'ABSPATH' ) ) == trailingslashit( $folderPath ) )
return false;
if ( @is_dir ( $folderPath ) ) {
$dh = @opendir($folderPath);
while (false !== ($value = @readdir($dh))) {
if ( $value != "." && $value != ".." ) {
$value = $folderPath . "/" . $value;
if ( @is_dir ( $value ) ) {
RecursiveFolderDelete ( $value );
}
}
}
return @rmdir ( $folderPath );
} else {
return FALSE;
}
}
function wp_cache_time_update() {
global $cache_max_time, $wp_cache_config_file, $valid_nonce, $cache_schedule_type, $cache_scheduled_time, $cache_schedule_interval, $cache_time_interval, $cache_gc_email_me;
if ( isset( $_POST[ 'action' ] ) && $_POST[ 'action' ] == 'expirytime' ) {
if ( false == $valid_nonce )
return false;
if( !isset( $cache_schedule_type ) ) {
$cache_schedule_type = 'interval';
wp_cache_replace_line('^ *\$cache_schedule_type', "\$cache_schedule_type = '$cache_schedule_type';", $wp_cache_config_file);
}
if( !isset( $cache_scheduled_time ) ) {
$cache_scheduled_time = '00:00';
wp_cache_replace_line('^ *\$cache_scheduled_time', "\$cache_scheduled_time = '$cache_scheduled_time';", $wp_cache_config_file);
}
if( !isset( $cache_max_time ) ) {
$cache_max_time = 3600;
wp_cache_replace_line('^ *\$cache_max_time', "\$cache_max_time = $cache_max_time;", $wp_cache_config_file);
}
if ( !isset( $cache_time_interval ) ) {
$cache_time_interval = $cache_max_time;
wp_cache_replace_line('^ *\$cache_time_interval', "\$cache_time_interval = '$cache_time_interval';", $wp_cache_config_file);
}
if ( isset( $_POST['wp_max_time'] ) ) {
$cache_max_time = (int)$_POST['wp_max_time'];
wp_cache_replace_line('^ *\$cache_max_time', "\$cache_max_time = $cache_max_time;", $wp_cache_config_file);
// schedule gc watcher
if ( false == wp_next_scheduled( 'wp_cache_gc_watcher' ) )
wp_schedule_event( time()+600, 'hourly', 'wp_cache_gc_watcher' );
}
if ( isset( $_POST[ 'cache_gc_email_me' ] ) ) {
$cache_gc_email_me = 1;
wp_cache_replace_line('^ *\$cache_gc_email_me', "\$cache_gc_email_me = $cache_gc_email_me;", $wp_cache_config_file);
} else {
$cache_gc_email_me = 0;
wp_cache_replace_line('^ *\$cache_gc_email_me', "\$cache_gc_email_me = $cache_gc_email_me;", $wp_cache_config_file);
}
if ( isset( $_POST[ 'cache_schedule_type' ] ) && $_POST[ 'cache_schedule_type' ] == 'interval' && isset( $_POST['cache_time_interval'] ) ) {
wp_clear_scheduled_hook( 'wp_cache_gc' );
$cache_schedule_type = 'interval';
if ( (int)$_POST[ 'cache_time_interval' ] == 0 )
$_POST[ 'cache_time_interval' ] = 600;
$cache_time_interval = (int)$_POST[ 'cache_time_interval' ];
wp_schedule_single_event( time() + $cache_time_interval, 'wp_cache_gc' );
wp_cache_replace_line('^ *\$cache_schedule_type', "\$cache_schedule_type = '$cache_schedule_type';", $wp_cache_config_file);
wp_cache_replace_line('^ *\$cache_time_interval', "\$cache_time_interval = '$cache_time_interval';", $wp_cache_config_file);
} else { // clock
wp_clear_scheduled_hook( 'wp_cache_gc' );
$cache_schedule_type = 'time';
if ( !isset( $_POST[ 'cache_scheduled_time' ] ) ||
$_POST[ 'cache_scheduled_time' ] == '' ||
5 != strlen( $_POST[ 'cache_scheduled_time' ] ) ||
":" != substr( $_POST[ 'cache_scheduled_time' ], 2, 1 )
)
$_POST[ 'cache_scheduled_time' ] = '00:00';
$cache_scheduled_time = $_POST[ 'cache_scheduled_time' ];
if ( ! preg_match( '/[0-9][0-9]:[0-9][0-9]/', $cache_scheduled_time ) ) {
$cache_scheduled_time = '00:00';
}
$schedules = wp_get_schedules();
if ( !isset( $cache_schedule_interval ) )
$cache_schedule_interval = 'daily';
if ( isset( $_POST[ 'cache_schedule_interval' ] ) && isset( $schedules[ $_POST[ 'cache_schedule_interval' ] ] ) )
$cache_schedule_interval = $_POST[ 'cache_schedule_interval' ];
wp_cache_replace_line('^ *\$cache_schedule_type', "\$cache_schedule_type = '$cache_schedule_type';", $wp_cache_config_file);
wp_cache_replace_line('^ *\$cache_schedule_interval', "\$cache_schedule_interval = '{$cache_schedule_interval}';", $wp_cache_config_file);
wp_cache_replace_line('^ *\$cache_scheduled_time', "\$cache_scheduled_time = '$cache_scheduled_time';", $wp_cache_config_file);
wp_schedule_event( strtotime( $cache_scheduled_time ), $cache_schedule_interval, 'wp_cache_gc' );
}
}
}
function wp_cache_sanitize_value($text, & $array) {
$text = esc_html(strip_tags($text));
$array = preg_split("/[\s,]+/", chop($text));
$text = var_export($array, true);
$text = preg_replace('/[\s]+/', ' ', $text);
return $text;
}
function wp_cache_update_rejected_ua() {
global $cache_rejected_user_agent, $wp_cache_config_file, $valid_nonce;
if ( !function_exists( 'apache_request_headers' ) ) return;
if ( isset( $_POST[ 'wp_rejected_user_agent' ] ) && $valid_nonce ) {
$_POST[ 'wp_rejected_user_agent' ] = str_replace( ' ', '___', $_POST[ 'wp_rejected_user_agent' ] );
$text = str_replace( '___', ' ', wp_cache_sanitize_value( $_POST[ 'wp_rejected_user_agent' ], $cache_rejected_user_agent ) );
wp_cache_replace_line( '^ *\$cache_rejected_user_agent', "\$cache_rejected_user_agent = $text;", $wp_cache_config_file );
foreach( $cache_rejected_user_agent as $k => $ua ) {
$cache_rejected_user_agent[ $k ] = str_replace( '___', ' ', $ua );
}
reset( $cache_rejected_user_agent );
}
}
function wpsc_edit_rejected_ua() {
global $cache_rejected_user_agent;
if ( ! function_exists( 'apache_request_headers' ) ) {
return;
}
$admin_url = admin_url( 'options-general.php?page=wpsupercache' );
wp_cache_update_rejected_ua();
wpsc_render_partial(
'rejected_user_agents',
compact( 'cache_rejected_user_agent', 'admin_url' )
);
}
function wp_cache_update_rejected_pages() {
global $wp_cache_config_file, $valid_nonce, $wp_cache_pages;
if ( isset( $_POST[ 'wp_edit_rejected_pages' ] ) && $valid_nonce ) {
$pages = array( 'single', 'pages', 'archives', 'tag', 'frontpage', 'home', 'category', 'feed', 'author', 'search' );
foreach( $pages as $page ) {
if ( isset( $_POST[ 'wp_cache_pages' ][ $page ] ) ) {
$value = 1;
} else {
$value = 0;
}
wp_cache_replace_line('^ *\$wp_cache_pages\[ "' . $page . '" \]', "\$wp_cache_pages[ \"{$page}\" ] = $value;", $wp_cache_config_file);
$wp_cache_pages[ $page ] = $value;
}
}
}
function wpsc_update_tracking_parameters() {
global $wpsc_tracking_parameters, $valid_nonce, $wp_cache_config_file;
if ( isset( $_POST['tracking_parameters'] ) && $valid_nonce ) {
$text = wp_cache_sanitize_value( str_replace( '\\\\', '\\', $_POST['tracking_parameters'] ), $wpsc_tracking_parameters );
wp_cache_replace_line( '^ *\$wpsc_tracking_parameters', "\$wpsc_tracking_parameters = $text;", $wp_cache_config_file );
wp_cache_setting( 'wpsc_ignore_tracking_parameters', isset( $_POST['wpsc_ignore_tracking_parameters'] ) ? 1 : 0 );
}
}
function wpsc_edit_tracking_parameters() {
global $wpsc_tracking_parameters, $wpsc_ignore_tracking_parameters;
$admin_url = admin_url( 'options-general.php?page=wpsupercache' );
wpsc_update_tracking_parameters();
if ( ! isset( $wpsc_tracking_parameters ) ) {
$wpsc_tracking_parameters = array( 'fbclid', 'ref', 'gclid', 'fb_source', 'mc_cid', 'mc_eid', 'utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content', 'utm_expid', 'mtm_source', 'mtm_medium', 'mtm_campaign', 'mtm_keyword', 'mtm_content', 'mtm_cid', 'mtm_group', 'mtm_placement' );
}
if ( ! isset( $wpsc_ignore_tracking_parameters ) ) {
$wpsc_ignore_tracking_parameters = 0;
}
wpsc_render_partial(
'tracking_parameters',
compact( 'wpsc_ignore_tracking_parameters', 'wpsc_tracking_parameters', 'admin_url' )
);
}
function wp_cache_update_rejected_cookies() {
global $wpsc_rejected_cookies, $wp_cache_config_file, $valid_nonce;
if ( isset( $_POST['wp_rejected_cookies'] ) && $valid_nonce ) {
$text = wp_cache_sanitize_value( str_replace( '\\\\', '\\', $_POST['wp_rejected_cookies'] ), $wpsc_rejected_cookies );
wp_cache_replace_line( '^ *\$wpsc_rejected_cookies', "\$wpsc_rejected_cookies = $text;", $wp_cache_config_file );
}
}
function wp_cache_update_rejected_strings() {
global $cache_rejected_uri, $wp_cache_config_file, $valid_nonce;
if ( isset($_REQUEST['wp_rejected_uri']) && $valid_nonce ) {
$text = wp_cache_sanitize_value( str_replace( '\\\\', '\\', $_REQUEST['wp_rejected_uri'] ), $cache_rejected_uri );
wp_cache_replace_line('^ *\$cache_rejected_uri', "\$cache_rejected_uri = $text;", $wp_cache_config_file);
}
}
function wp_cache_update_accepted_strings() {
global $cache_acceptable_files, $wp_cache_config_file, $valid_nonce;
if ( isset( $_REQUEST[ 'wp_accepted_files' ] ) && $valid_nonce ) {
$text = wp_cache_sanitize_value( $_REQUEST[ 'wp_accepted_files' ], $cache_acceptable_files );
wp_cache_replace_line( '^ *\$cache_acceptable_files', "\$cache_acceptable_files = $text;", $wp_cache_config_file );
}
}
function wpsc_update_debug_settings() {
global $wp_super_cache_debug, $wp_cache_debug_log, $wp_cache_debug_ip, $cache_path, $valid_nonce, $wp_cache_config_file, $wp_super_cache_comments;
global $wp_super_cache_front_page_check, $wp_super_cache_front_page_clear, $wp_super_cache_front_page_text, $wp_super_cache_front_page_notification, $wp_super_cache_advanced_debug;
global $wp_cache_debug_username;
if ( ! isset( $wp_super_cache_comments ) ) {
$wp_super_cache_comments = 1; // defaults to "enabled".
wp_cache_setting( 'wp_super_cache_comments', $wp_super_cache_comments );
}
if ( false == $valid_nonce ) {
return array (
'wp_super_cache_debug' => $wp_super_cache_debug,
'wp_cache_debug_log' => $wp_cache_debug_log,
'wp_cache_debug_ip' => $wp_cache_debug_ip,
'wp_super_cache_comments' => $wp_super_cache_comments,
'wp_super_cache_front_page_check' => $wp_super_cache_front_page_check,
'wp_super_cache_front_page_clear' => $wp_super_cache_front_page_clear,
'wp_super_cache_front_page_text' => $wp_super_cache_front_page_text,
'wp_super_cache_front_page_notification' => $wp_super_cache_front_page_notification,
'wp_super_cache_advanced_debug' => $wp_super_cache_advanced_debug,
'wp_cache_debug_username' => $wp_cache_debug_username,
);
}
if ( isset( $_POST[ 'wpsc_delete_log' ] ) && $_POST[ 'wpsc_delete_log' ] == 1 && $wp_cache_debug_log != '' ) {
@unlink( $cache_path . $wp_cache_debug_log );
extract( wpsc_create_debug_log( $wp_cache_debug_log, $wp_cache_debug_username ) ); // $wp_cache_debug_log, $wp_cache_debug_username
}
if ( ! isset( $wp_cache_debug_log ) || $wp_cache_debug_log == '' ) {
extract( wpsc_create_debug_log() ); // $wp_cache_debug_log, $wp_cache_debug_username
} elseif ( ! file_exists( $cache_path . $wp_cache_debug_log ) ) { // make sure debug log exists before toggling debugging
extract( wpsc_create_debug_log( $wp_cache_debug_log, $wp_cache_debug_username ) ); // $wp_cache_debug_log, $wp_cache_debug_username
}
$wp_super_cache_debug = ( isset( $_POST[ 'wp_super_cache_debug' ] ) && $_POST[ 'wp_super_cache_debug' ] == 1 ) ? 1 : 0;
wp_cache_setting( 'wp_super_cache_debug', $wp_super_cache_debug );
if ( isset( $_POST[ 'wp_cache_debug' ] ) ) {
wp_cache_setting( 'wp_cache_debug_username', $wp_cache_debug_username );
wp_cache_setting( 'wp_cache_debug_log', $wp_cache_debug_log );
$wp_super_cache_comments = isset( $_POST[ 'wp_super_cache_comments' ] ) ? 1 : 0;
wp_cache_setting( 'wp_super_cache_comments', $wp_super_cache_comments );
if ( isset( $_POST[ 'wp_cache_debug_ip' ] ) && filter_var( $_POST[ 'wp_cache_debug_ip' ], FILTER_VALIDATE_IP ) ) {
$wp_cache_debug_ip = esc_html( preg_replace( '/[ <>\'\"\r\n\t\(\)\$\[\];#]/', '', $_POST[ 'wp_cache_debug_ip' ] ) );
} else {
$wp_cache_debug_ip = '';
}
wp_cache_setting( 'wp_cache_debug_ip', $wp_cache_debug_ip );
$wp_super_cache_front_page_check = isset( $_POST[ 'wp_super_cache_front_page_check' ] ) ? 1 : 0;
wp_cache_setting( 'wp_super_cache_front_page_check', $wp_super_cache_front_page_check );
$wp_super_cache_front_page_clear = isset( $_POST[ 'wp_super_cache_front_page_clear' ] ) ? 1 : 0;
wp_cache_setting( 'wp_super_cache_front_page_clear', $wp_super_cache_front_page_clear );
if ( isset( $_POST[ 'wp_super_cache_front_page_text' ] ) ) {
$wp_super_cache_front_page_text = esc_html( preg_replace( '/[ <>\'\"\r\n\t\(\)\$\[\];#]/', '', $_POST[ 'wp_super_cache_front_page_text' ] ) );
} else {
$wp_super_cache_front_page_text = '';
}
wp_cache_setting( 'wp_super_cache_front_page_text', $wp_super_cache_front_page_text );
$wp_super_cache_front_page_notification = isset( $_POST[ 'wp_super_cache_front_page_notification' ] ) ? 1 : 0;
wp_cache_setting( 'wp_super_cache_front_page_notification', $wp_super_cache_front_page_notification );
if ( $wp_super_cache_front_page_check == 1 && !wp_next_scheduled( 'wp_cache_check_site_hook' ) ) {
wp_schedule_single_event( time() + 360 , 'wp_cache_check_site_hook' );
wp_cache_debug( 'scheduled wp_cache_check_site_hook for 360 seconds time.' );
}
}
return array (
'wp_super_cache_debug' => $wp_super_cache_debug,
'wp_cache_debug_log' => $wp_cache_debug_log,
'wp_cache_debug_ip' => $wp_cache_debug_ip,
'wp_super_cache_comments' => $wp_super_cache_comments,
'wp_super_cache_front_page_check' => $wp_super_cache_front_page_check,
'wp_super_cache_front_page_clear' => $wp_super_cache_front_page_clear,
'wp_super_cache_front_page_text' => $wp_super_cache_front_page_text,
'wp_super_cache_front_page_notification' => $wp_super_cache_front_page_notification,
'wp_super_cache_advanced_debug' => $wp_super_cache_advanced_debug,
'wp_cache_debug_username' => $wp_cache_debug_username,
);
}
function wp_cache_enable() {
global $wp_cache_config_file, $cache_enabled;
if ( $cache_enabled ) {
wp_cache_debug( 'wp_cache_enable: already enabled' );
return true;
}
wp_cache_setting( 'cache_enabled', true );
wp_cache_debug( 'wp_cache_enable: enable cache' );
$cache_enabled = true;
if ( wpsc_set_default_gc() ) {
// gc might not be scheduled, check and schedule
$timestamp = wp_next_scheduled( 'wp_cache_gc' );
if ( false == $timestamp ) {
wp_schedule_single_event( time() + 600, 'wp_cache_gc' );
}
}
}
function wp_cache_disable() {
global $wp_cache_config_file, $cache_enabled;
if ( ! $cache_enabled ) {
wp_cache_debug( 'wp_cache_disable: already disabled' );
return true;
}
wp_cache_setting( 'cache_enabled', false );
wp_cache_debug( 'wp_cache_disable: disable cache' );
$cache_enabled = false;
wp_clear_scheduled_hook( 'wp_cache_check_site_hook' );
wp_clear_scheduled_hook( 'wp_cache_gc' );
wp_clear_scheduled_hook( 'wp_cache_gc_watcher' );
}
function wp_super_cache_enable() {
global $supercachedir, $wp_cache_config_file, $super_cache_enabled;
if ( $super_cache_enabled ) {
wp_cache_debug( 'wp_super_cache_enable: already enabled' );
return true;
}
wp_cache_setting( 'super_cache_enabled', true );
wp_cache_debug( 'wp_super_cache_enable: enable cache' );
$super_cache_enabled = true;
if ( is_dir( $supercachedir . '.disabled' ) ) {
if ( is_dir( $supercachedir ) ) {
prune_super_cache( $supercachedir . '.disabled', true );
@unlink( $supercachedir . '.disabled' );
} else {
@rename( $supercachedir . '.disabled', $supercachedir );
}
}
}
function wp_super_cache_disable() {
global $cache_path, $supercachedir, $wp_cache_config_file, $super_cache_enabled;
if ( ! $super_cache_enabled ) {
wp_cache_debug( 'wp_super_cache_disable: already disabled' );
return true;
}
wp_cache_setting( 'super_cache_enabled', false );
wp_cache_debug( 'wp_super_cache_disable: disable cache' );
$super_cache_enabled = false;
if ( is_dir( $supercachedir ) ) {
@rename( $supercachedir, $supercachedir . '.disabled' );
}
sleep( 1 ); // allow existing processes to write to the supercachedir and then delete it
if ( function_exists( 'prune_super_cache' ) && is_dir( $supercachedir ) ) {
prune_super_cache( $cache_path, true );
}
if ( $GLOBALS['wp_cache_mod_rewrite'] === 1 ) {
remove_mod_rewrite_rules();
}
}
function wp_cache_is_enabled() {
global $wp_cache_config_file;
if ( get_option( 'gzipcompression' ) ) {
echo '
' . __( 'Warning', 'wp-super-cache' ) . ' : ' . __( 'GZIP compression is enabled in WordPress, wp-cache will be bypassed until you disable gzip compression.', 'wp-super-cache' );
return false;
}
$lines = file( $wp_cache_config_file );
foreach ( $lines as $line ) {
if ( preg_match( '/^\s*\$cache_enabled\s*=\s*true\s*;/', $line ) ) {
return true;
}
}
return false;
}
function wp_cache_remove_index() {
global $cache_path;
if ( empty( $cache_path ) ) {
return;
}
@unlink( $cache_path . "index.html" );
@unlink( $cache_path . "supercache/index.html" );
@unlink( $cache_path . "blogs/index.html" );
if ( is_dir( $cache_path . "blogs" ) ) {
$dir = new DirectoryIterator( $cache_path . "blogs" );
foreach( $dir as $fileinfo ) {
if ( $fileinfo->isDot() ) {
continue;
}
if ( $fileinfo->isDir() ) {
$directory = $cache_path . "blogs/" . $fileinfo->getFilename();
if ( is_file( $directory . "/index.html" ) ) {
unlink( $directory . "/index.html" );
}
if ( is_dir( $directory . "/meta" ) ) {
if ( is_file( $directory . "/meta/index.html" ) ) {
unlink( $directory . "/meta/index.html" );
}
}
}
}
}
}
function wp_cache_index_notice() {
global $wp_version, $cache_path;
if ( false == wpsupercache_site_admin() )
return false;
if ( false == get_site_option( 'wp_super_cache_index_detected' ) )
return false;
if ( strlen( $cache_path ) < strlen( ABSPATH )
|| ABSPATH != substr( $cache_path, 0, strlen( ABSPATH ) ) )
return false; // cache stored outside web root
if ( get_site_option( 'wp_super_cache_index_detected' ) == 2 ) {
update_site_option( 'wp_super_cache_index_detected', 3 );
echo "
";
echo "
" . __( 'WP Super Cache Warning!', 'wp-super-cache' ) . ' ';
echo '
' . __( 'All users of this site have been logged out to refresh their login cookies.', 'wp-super-cache' ) . '
';
echo '
';
return false;
} elseif ( get_site_option( 'wp_super_cache_index_detected' ) != 3 ) {
echo "
";
echo "
" . __( 'WP Super Cache Warning!', 'wp-super-cache' ) . ' ';
echo '
' . __( 'Your server is configured to show files and directories, which may expose sensitive data such as login cookies to attackers in the cache directories. That has been fixed by adding a file named index.html to each directory. If you use simple caching, consider moving the location of the cache directory on the Advanced Settings page.', 'wp-super-cache' ) . '
';
echo "
";
_e( 'If you just installed WP Super Cache for the first time, you can dismiss this message. Otherwise, you should probably refresh the login cookies of all logged in WordPress users here by clicking the logout link below.', 'wp-super-cache' );
echo "
";
if ( -1 == version_compare( $wp_version, '4.0' ) ) {
echo '
' . __( 'Your site is using a very old version of WordPress. When you update to the latest version everyone will be logged out and cookie information updated.', 'wp-super-cache' ) . '
';
} else {
echo '
' . __( 'The logout link will log out all WordPress users on this site except you. Your authentication cookie will be updated, but you will not be logged out.', 'wp-super-cache' ) . '
';
}
echo "
" . __( 'Dismiss', 'wp-super-cache' ) . " ";
if ( 1 == version_compare( $wp_version, '4.0' ) ) {
echo " |
" . __( 'Logout', 'wp-super-cache' ) . " ";
}
echo "
";
?>
' . $msg . '
' . __( 'Warning! You may not be allowed to use this plugin on your site.', 'wp-super-cache' ) . " ";
echo '
' .
sprintf(
__( 'The file %s was created by another plugin or by your system administrator. Please examine the file carefully by FTP or SSH and consult your hosting documentation. ', 'wp-super-cache' ),
$wpsc_advanced_cache_filename
) .
'
';
echo '
' .
__( 'If it was created by another caching plugin please uninstall that plugin first before activating WP Super Cache. If the file is not removed by that action you should delete the file manually.', 'wp-super-cache' ),
'
';
echo '
' .
__( 'If you need support for this problem contact your hosting provider.', 'wp-super-cache' ),
'
';
} elseif ( ! is_writeable_ACLSafe( $wpsc_advanced_cache_filename ) ) {
echo '
' . __( 'Warning', 'wp-super-cache' ) . "! " . sprintf( __( '%s/advanced-cache.php cannot be updated.', 'wp-super-cache' ), WP_CONTENT_DIR ) . " ";
echo '
';
echo "" .
sprintf(
__( 'Make %1$s writable using the chmod command through your ftp or server software. (chmod 777 %1$s ) and refresh this page. This is only a temporary measure and you’ll have to make it read only afterwards again. (Change 777 to 755 in the previous command)', 'wp-super-cache' ),
WP_CONTENT_DIR
) .
" ";
echo "" . sprintf( __( 'Refresh this page to update %s/advanced-cache.php ', 'wp-super-cache' ), WP_CONTENT_DIR ) . " ";
echo sprintf( __( 'If that doesn’t work, make sure the file
%s/advanced-cache.php doesn’t exist:', 'wp-super-cache' ), WP_CONTENT_DIR ) . "
";
echo " ";
}
echo "
";
return false;
}
return true;
}
function wp_cache_check_global_config() {
global $wp_cache_check_wp_config;
if ( !isset( $wp_cache_check_wp_config ) )
return true;
if ( file_exists( ABSPATH . 'wp-config.php') ) {
$global_config_file = ABSPATH . 'wp-config.php';
} else {
$global_config_file = dirname( ABSPATH ) . '/wp-config.php';
}
$line = 'define(\'WP_CACHE\', true);';
if (
! is_writeable_ACLSafe( $global_config_file ) ||
! wp_cache_replace_line( 'define *\( *\'WP_CACHE\'', $line, $global_config_file )
) {
if ( defined( 'WP_CACHE' ) && constant( 'WP_CACHE' ) == false ) {
echo '
' . __( "
WP_CACHE constant set to false The WP_CACHE constant is used by WordPress to load the code that serves cached pages. Unfortunately, it is set to false. Please edit your wp-config.php and add or edit the following line above the final require_once command:define('WP_CACHE', true);
", 'wp-super-cache' ) . "
";
} else {
echo '
' . __( "Error: WP_CACHE is not enabled in your wp-config.php file and I couldn’t modify it.", 'wp-super-cache' ) . "
";
echo "
" . sprintf( __( "Edit %s and add the following line:define('WP_CACHE', true);WP-Cache will not be executed by WordPress core. ", 'wp-super-cache' ), $global_config_file ) . "
";
}
return false;
} else {
echo "
" . __( '
WP_CACHE constant added to wp-config.php If you continue to see this warning message please see point 5 of the Troubleshooting Guide . The WP_CACHE line must be moved up.', 'wp-super-cache' ) . "
";
}
return true;
}
function wpsc_generate_sizes_array() {
$sizes = array();
$cache_types = apply_filters( 'wpsc_cache_types', array( 'supercache', 'wpcache' ) );
$cache_states = apply_filters( 'wpsc_cache_state', array( 'expired', 'cached' ) );
foreach( $cache_types as $type ) {
reset( $cache_states );
foreach( $cache_states as $state ) {
$sizes[ $type ][ $state ] = 0;
}
$sizes[ $type ][ 'fsize' ] = 0;
$sizes[ $type ][ 'cached_list' ] = array();
$sizes[ $type ][ 'expired_list' ] = array();
}
return $sizes;
}
function wp_cache_format_fsize( $fsize ) {
if ( $fsize > 1024 ) {
$fsize = number_format( $fsize / 1024, 2 ) . "MB";
} elseif ( $fsize != 0 ) {
$fsize = number_format( $fsize, 2 ) . "KB";
} else {
$fsize = "0KB";
}
return $fsize;
}
function wp_cache_regenerate_cache_file_stats() {
global $cache_compression, $supercachedir, $file_prefix, $wp_cache_preload_on, $cache_max_time;
if ( $supercachedir == '' )
$supercachedir = get_supercache_dir();
$sizes = wpsc_generate_sizes_array();
$now = time();
if (is_dir( $supercachedir ) ) {
if ( $dh = opendir( $supercachedir ) ) {
while ( ( $entry = readdir( $dh ) ) !== false ) {
if ( $entry != '.' && $entry != '..' ) {
$sizes = wpsc_dirsize( trailingslashit( $supercachedir ) . $entry, $sizes );
}
}
closedir( $dh );
}
}
foreach( $sizes as $cache_type => $list ) {
foreach( array( 'cached_list', 'expired_list' ) as $status ) {
$cached_list = array();
foreach( $list[ $status ] as $dir => $details ) {
if ( $details[ 'files' ] == 2 && !isset( $details[ 'upper_age' ] ) ) {
$details[ 'files' ] = 1;
}
$cached_list[ $dir ] = $details;
}
$sizes[ $cache_type ][ $status ] = $cached_list;
}
}
if ( $cache_compression ) {
$sizes[ 'supercache' ][ 'cached' ] = intval( $sizes[ 'supercache' ][ 'cached' ] / 2 );
$sizes[ 'supercache' ][ 'expired' ] = intval( $sizes[ 'supercache' ][ 'expired' ] / 2 );
}
$cache_stats = array( 'generated' => time(), 'supercache' => $sizes[ 'supercache' ], 'wpcache' => $sizes[ 'wpcache' ] );
update_option( 'supercache_stats', $cache_stats );
return $cache_stats;
}
function wp_cache_files() {
global $cache_path, $file_prefix, $cache_max_time, $valid_nonce, $supercachedir, $super_cache_enabled, $blog_cache_dir, $cache_compression;
global $wp_cache_preload_on;
if ( '/' != substr($cache_path, -1)) {
$cache_path .= '/';
}
if ( $valid_nonce ) {
if(isset($_REQUEST['wp_delete_cache'])) {
wp_cache_clean_cache($file_prefix);
$_GET[ 'action' ] = 'regenerate_cache_stats';
}
if ( isset( $_REQUEST[ 'wp_delete_all_cache' ] ) ) {
wp_cache_clean_cache( $file_prefix, true );
$_GET[ 'action' ] = 'regenerate_cache_stats';
}
if(isset($_REQUEST['wp_delete_expired'])) {
wp_cache_clean_expired($file_prefix);
$_GET[ 'action' ] = 'regenerate_cache_stats';
}
}
echo "
";
echo '
' . __( 'Cache Contents', 'wp-super-cache' ) . ' ';
$cache_stats = get_option( 'supercache_stats' );
if ( !is_array( $cache_stats ) || ( isset( $_GET[ 'listfiles' ] ) ) || ( $valid_nonce && array_key_exists('action', $_GET) && $_GET[ 'action' ] == 'regenerate_cache_stats' ) ) {
$count = 0;
$expired = 0;
$now = time();
$wp_cache_fsize = 0;
if ( ( $handle = @opendir( $blog_cache_dir ) ) ) {
if ( $valid_nonce && isset( $_GET[ 'action' ] ) && $_GET[ 'action' ] == 'deletewpcache' ) {
$deleteuri = wpsc_deep_replace( array( '..', '\\', 'index.php' ), preg_replace( '/[ <>\'\"\r\n\t\(\)]/', '', base64_decode( $_GET[ 'uri' ] ) ) );
} else {
$deleteuri = '';
}
if ( $valid_nonce && isset( $_GET[ 'action' ] ) && $_GET[ 'action' ] == 'deletesupercache' ) {
$supercacheuri = wpsc_deep_replace( array( '..', '\\', 'index.php' ), preg_replace( '/[ <>\'\"\r\n\t\(\)]/', '', preg_replace("/(\?.*)?$/", '', base64_decode( $_GET[ 'uri' ] ) ) ) );
$supercacheuri = trailingslashit( realpath( $cache_path . 'supercache/' . $supercacheuri ) );
if ( wp_cache_confirm_delete( $supercacheuri ) ) {
printf( __( "Deleting supercache file: %s %s " . __( 'Cache stats are not automatically generated. You must click the link below to regenerate the stats on this page.', 'wp-super-cache' ) . "
";
echo " 'wpsupercache', 'tab' => 'contents', 'action' => 'regenerate_cache_stats' ) ), 'wp-cache' ) . "'>" . __( 'Regenerate cache stats', 'wp-super-cache' ) . " ";
if ( is_array( $cache_stats ) ) {
echo "" . sprintf( __( 'Cache stats last generated: %s minutes ago.', 'wp-super-cache' ), number_format( ( time() - $cache_stats[ 'generated' ] ) / 60 ) ) . "
";
}
$cache_stats = get_option( 'supercache_stats' );
}// regerate stats cache
if ( is_array( $cache_stats ) ) {
$fsize = wp_cache_format_fsize( $cache_stats[ 'wpcache' ][ 'fsize' ] / 1024 );
echo "" . __( 'WP-Cache', 'wp-super-cache' ) . " ({$fsize})
";
echo "" . sprintf( __( '%s Cached Pages', 'wp-super-cache' ), $cache_stats[ 'wpcache' ][ 'cached' ] ) . " ";
echo "" . sprintf( __( '%s Expired Pages', 'wp-super-cache' ), $cache_stats[ 'wpcache' ][ 'expired' ] ) . " " . __( 'WP-Super-Cache', 'wp-super-cache' ) . " ({$fsize})
";
echo "" . sprintf( __( '%s Cached Pages', 'wp-super-cache' ), $cache_stats[ 'supercache' ][ 'cached' ] ) . " ";
if ( isset( $now ) && isset( $cache_stats ) )
$age = intval( ( $now - $cache_stats['generated'] ) / 60 );
else
$age = 0;
echo "" . sprintf( __( '%s Expired Pages', 'wp-super-cache' ), $cache_stats[ 'supercache' ][ 'expired' ] ) . " ";
$cache_description = array( 'supercache' => __( 'WP-Super-Cached', 'wp-super-cache' ), 'wpcache' => __( 'WP-Cached', 'wp-super-cache' ) );
foreach( $cache_stats as $type => $details ) {
if ( is_array( $details ) == false )
continue;
foreach( array( 'cached_list' => 'Fresh', 'expired_list' => 'Stale' ) as $list => $description ) {
if ( is_array( $details[ $list ] ) & !empty( $details[ $list ] ) ) {
echo "
" . sprintf( __( '%s %s Files', 'wp-super-cache' ), $description, $cache_description[ $type ] ) . " ";
echo "
";
}
}
}
echo "
" . __( 'Hide file list', 'wp-super-cache' ) . "
";
} elseif ( $cache_stats[ 'supercache' ][ 'cached' ] > 500 || $cache_stats[ 'supercache' ][ 'expired' ] > 500 || $cache_stats[ 'wpcache' ][ 'cached' ] > 500 || $cache_stats[ 'wpcache' ][ 'expired' ] > 500 ) {
echo "" . __( 'Too many cached files, no listing possible.', 'wp-super-cache' ) . "
";
} else {
echo " 'wpsupercache', 'listfiles' => '1' ) ), 'wp-cache' ) . "#listfiles'>" . __( 'List all cached files', 'wp-super-cache' ) . "
";
}
if ( $cache_max_time > 0 )
echo "" . sprintf( __( 'Expired files are files older than %s seconds. They are still used by the plugin and are deleted periodically.', 'wp-super-cache' ), $cache_max_time ) . "
";
if ( $wp_cache_preload_on )
echo "" . __( 'Preload mode is enabled. Supercache files will never be expired.', 'wp-super-cache' ) . "
";
} // cache_stats
wp_cache_delete_buttons();
echo '';
}
function wp_cache_delete_buttons() {
$admin_url = admin_url( 'options-general.php?page=wpsupercache' );
echo '
\n";
echo '
\n";
if ( is_multisite() && wpsupercache_site_admin() ) {
echo '
\n";
}
}
function delete_cache_dashboard() {
if ( function_exists( '_deprecated_function' ) ) {
_deprecated_function( __FUNCTION__, 'WP Super Cache 1.6.4' );
}
if ( false == wpsupercache_site_admin() )
return false;
if ( function_exists('current_user_can') && !current_user_can('manage_options') )
return false;
echo "
" . __( 'Delete Cache', 'wp-super-cache' ) . " ";
}
//add_action( 'dashmenu', 'delete_cache_dashboard' );
function wpsc_dirsize($directory, $sizes) {
global $cache_max_time, $cache_path, $valid_nonce, $wp_cache_preload_on, $file_prefix;
$now = time();
if (is_dir($directory)) {
if( $dh = opendir( $directory ) ) {
while( ( $entry = readdir( $dh ) ) !== false ) {
if ($entry != '.' && $entry != '..') {
$sizes = wpsc_dirsize( trailingslashit( $directory ) . $entry, $sizes );
}
}
closedir($dh);
}
} else {
if ( is_file( $directory ) && strpos( $directory, 'meta-' . $file_prefix ) === false ) {
if ( strpos( $directory, '/' . $file_prefix ) !== false ) {
$cache_type = 'wpcache';
} else {
$cache_type = 'supercache';
}
$keep_fresh = false;
if ( $cache_type == 'supercache' && $wp_cache_preload_on )
$keep_fresh = true;
$filem = filemtime( $directory );
if ( $keep_fresh == false && $cache_max_time > 0 && $filem + $cache_max_time <= $now ) {
$cache_status = 'expired';
} else {
$cache_status = 'cached';
}
$sizes[ $cache_type ][ $cache_status ]+=1;
if ( $valid_nonce && isset( $_GET[ 'listfiles' ] ) ) {
$dir = str_replace( $cache_path . 'supercache/' , '', dirname( $directory ) );
$age = $now - $filem;
if ( false == isset( $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ] ) ) {
$sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ][ 'lower_age' ] = $age;
$sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ][ 'files' ] = 1;
} else {
$sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ][ 'files' ] += 1;
if ( $age <= $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ][ 'lower_age' ] ) {
if ( $age < $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ][ 'lower_age' ] && !isset( $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ][ 'upper_age' ] ) )
$sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ][ 'upper_age' ] = $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ][ 'lower_age' ];
$sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ][ 'lower_age' ] = $age;
} elseif ( !isset( $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ][ 'upper_age' ] ) || $age > $sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ][ 'upper_age' ] ) {
$sizes[ $cache_type ][ $cache_status . '_list' ][ $dir ][ 'upper_age' ] = $age;
}
}
}
if ( ! isset( $sizes[ 'fsize' ] ) )
$sizes[ $cache_type ][ 'fsize' ] = @filesize( $directory );
else
$sizes[ $cache_type ][ 'fsize' ] += @filesize( $directory );
}
}
return $sizes;
}
function wp_cache_clean_cache( $file_prefix, $all = false ) {
global $cache_path, $supercachedir, $blog_cache_dir;
do_action( 'wp_cache_cleared' );
if ( $all == true && wpsupercache_site_admin() && function_exists( 'prune_super_cache' ) ) {
prune_super_cache( $cache_path, true );
return true;
}
if ( $supercachedir == '' )
$supercachedir = get_supercache_dir();
if (function_exists ('prune_super_cache')) {
if( is_dir( $supercachedir ) ) {
prune_super_cache( $supercachedir, true );
} elseif( is_dir( $supercachedir . '.disabled' ) ) {
prune_super_cache( $supercachedir . '.disabled', true );
}
$_POST[ 'super_cache_stats' ] = 1; // regenerate super cache stats;
} else {
wp_cache_debug( 'Warning! prune_super_cache() not found in wp-cache.php', 1 );
}
wp_cache_clean_legacy_files( $blog_cache_dir, $file_prefix );
wp_cache_clean_legacy_files( $cache_path, $file_prefix );
}
function wpsc_delete_post_cache( $id ) {
$post = get_post( $id );
wpsc_delete_url_cache( get_author_posts_url( $post->post_author ) );
$permalink = get_permalink( $id );
if ( $permalink != '' ) {
wpsc_delete_url_cache( $permalink );
return true;
} else {
return false;
}
}
function wp_cache_clean_legacy_files( $dir, $file_prefix ) {
global $wpdb;
$dir = trailingslashit( $dir );
if ( @is_dir( $dir . 'meta' ) == false )
return false;
if ( $handle = @opendir( $dir ) ) {
$curr_blog_id = is_multisite() ? get_current_blog_id() : false;
while ( false !== ( $file = readdir( $handle ) ) ) {
if ( is_file( $dir . $file ) == false || $file == 'index.html' ) {
continue;
}
if ( strpos( $file, $file_prefix ) !== false ) {
if ( strpos( $file, '.html' ) ) {
// delete old WPCache files immediately
@unlink( $dir . $file);
@unlink( $dir . 'meta/' . str_replace( '.html', '.meta', $file ) );
} else {
$meta = json_decode( wp_cache_get_legacy_cache( $dir . 'meta/' . $file ), true );
if ( $curr_blog_id && $curr_blog_id !== (int)$meta['blog_id'] ) {
continue;
}
@unlink( $dir . $file);
@unlink( $dir . 'meta/' . $file);
}
}
}
closedir($handle);
}
}
function wp_cache_clean_expired($file_prefix) {
global $cache_max_time, $blog_cache_dir, $wp_cache_preload_on;
if ( $cache_max_time == 0 ) {
return false;
}
// If phase2 was compiled, use its function to avoid race-conditions
if(function_exists('wp_cache_phase2_clean_expired')) {
if ( $wp_cache_preload_on != 1 && function_exists ('prune_super_cache')) {
$dir = get_supercache_dir();
if( is_dir( $dir ) ) {
prune_super_cache( $dir );
} elseif( is_dir( $dir . '.disabled' ) ) {
prune_super_cache( $dir . '.disabled' );
}
$_POST[ 'super_cache_stats' ] = 1; // regenerate super cache stats;
}
return wp_cache_phase2_clean_expired($file_prefix);
}
$now = time();
if ( $handle = @opendir( $blog_cache_dir ) ) {
while ( false !== ( $file = readdir( $handle ) ) ) {
if ( strpos( $file, $file_prefix ) !== false ) {
if ( strpos( $file, '.html' ) ) {
@unlink( $blog_cache_dir . $file);
@unlink( $blog_cache_dir . 'meta/' . str_replace( '.html', '.meta', $file ) );
} elseif ( ( filemtime( $blog_cache_dir . $file ) + $cache_max_time ) <= $now ) {
@unlink( $blog_cache_dir . $file );
@unlink( $blog_cache_dir . 'meta/' . $file );
}
}
}
closedir($handle);
}
}
function wpsc_remove_marker( $filename, $marker ) {
if (!file_exists( $filename ) || is_writeable_ACLSafe( $filename ) ) {
if (!file_exists( $filename ) ) {
return '';
} else {
$markerdata = explode( "\n", implode( '', file( $filename ) ) );
}
$f = fopen( $filename, 'w' );
if ( $markerdata ) {
$state = true;
foreach ( $markerdata as $n => $markerline ) {
if (strpos($markerline, '# BEGIN ' . $marker) !== false)
$state = false;
if ( $state ) {
if ( $n + 1 < count( $markerdata ) )
fwrite( $f, "{$markerline}\n" );
else
fwrite( $f, "{$markerline}" );
}
if (strpos($markerline, '# END ' . $marker) !== false) {
$state = true;
}
}
}
return true;
} else {
return false;
}
}
if( get_option( 'gzipcompression' ) )
update_option( 'gzipcompression', 0 );
// Catch 404 requests. Themes that use query_posts() destroy $wp_query->is_404
function wp_cache_catch_404() {
global $wp_cache_404;
if ( function_exists( '_deprecated_function' ) )
_deprecated_function( __FUNCTION__, 'WP Super Cache 1.5.6' );
$wp_cache_404 = false;
if( is_404() )
$wp_cache_404 = true;
}
//More info - https://github.com/Automattic/wp-super-cache/pull/373
//add_action( 'template_redirect', 'wp_cache_catch_404' );
function wp_cache_favorite_action( $actions ) {
if ( function_exists( '_deprecated_function' ) ) {
_deprecated_function( __FUNCTION__, 'WP Super Cache 1.6.4' );
}
if ( false == wpsupercache_site_admin() )
return $actions;
if ( function_exists('current_user_can') && !current_user_can('manage_options') )
return $actions;
$actions[ wp_nonce_url( 'options-general.php?page=wpsupercache&wp_delete_cache=1&tab=contents', 'wp-cache' ) ] = array( __( 'Delete Cache', 'wp-super-cache' ), 'manage_options' );
return $actions;
}
//add_filter( 'favorite_actions', 'wp_cache_favorite_action' );
function wp_cache_plugin_notice( $plugin ) {
global $cache_enabled;
if( $plugin == 'wp-super-cache/wp-cache.php' && !$cache_enabled && function_exists( 'admin_url' ) )
echo '
' . sprintf( __( 'WP Super Cache must be configured. Go to the admin page to enable and configure the plugin.', 'wp-super-cache' ), admin_url( 'options-general.php?page=wpsupercache' ) ) . ' ';
}
add_action( 'after_plugin_row', 'wp_cache_plugin_notice' );
function wp_cache_plugin_actions( $links, $file ) {
if( $file == 'wp-super-cache/wp-cache.php' && function_exists( 'admin_url' ) ) {
$settings_link = '
' . __( 'Settings', 'wp-super-cache' ) . ' ';
array_unshift( $links, $settings_link ); // before other links
}
return $links;
}
add_filter( 'plugin_action_links', 'wp_cache_plugin_actions', 10, 2 );
function wp_cache_admin_notice() {
global $cache_enabled, $wp_cache_phase1_loaded;
if( substr( $_SERVER['PHP_SELF'], -11 ) == 'plugins.php' && !$cache_enabled && function_exists( 'admin_url' ) )
echo '
' . sprintf( __('WP Super Cache is disabled. Please go to the plugin admin page to enable caching.', 'wp-super-cache' ), admin_url( 'options-general.php?page=wpsupercache' ) ) . '
';
if ( defined( 'WP_CACHE' ) && WP_CACHE == true && ( defined( 'ADVANCEDCACHEPROBLEM' ) || ( $cache_enabled && false == isset( $wp_cache_phase1_loaded ) ) ) ) {
if ( wp_cache_create_advanced_cache() ) {
echo '
' . sprintf( __( 'Warning! WP Super Cache caching was broken but has been fixed ! The script advanced-cache.php could not load wp-cache-phase1.php.
';
}
}
}
add_action( 'admin_notices', 'wp_cache_admin_notice' );
function wp_cache_check_site() {
global $wp_super_cache_front_page_check, $wp_super_cache_front_page_clear, $wp_super_cache_front_page_text, $wp_super_cache_front_page_notification, $wpdb;
if ( !isset( $wp_super_cache_front_page_check ) || ( isset( $wp_super_cache_front_page_check ) && $wp_super_cache_front_page_check == 0 ) ) {
return false;
}
if ( function_exists( "wp_remote_get" ) == false ) {
return false;
}
$front_page = wp_remote_get( site_url(), array('timeout' => 60, 'blocking' => true ) );
if( is_array( $front_page ) ) {
// Check for gzipped front page
if ( $front_page[ 'headers' ][ 'content-type' ] == 'application/x-gzip' ) {
if ( !isset( $wp_super_cache_front_page_clear ) || ( isset( $wp_super_cache_front_page_clear ) && $wp_super_cache_front_page_clear == 0 ) ) {
wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page is gzipped! Please clear cache!', 'wp-super-cache' ), home_url() ), sprintf( __( "Please visit %s to clear the cache as the front page of your site is now downloading!", 'wp-super-cache' ), admin_url( 'options-general.php?page=wpsupercache' ) ) );
} else {
wp_cache_clear_cache( $wpdb->blogid );
wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page is gzipped! Cache Cleared!', 'wp-super-cache' ), home_url() ), sprintf( __( "The cache on your blog has been cleared because the front page of your site is now downloading. Please visit %s to verify the cache has been cleared.", 'wp-super-cache' ), admin_url( 'options-general.php?page=wpsupercache' ) ) );
}
}
// Check for broken front page
if ( isset( $wp_super_cache_front_page_text ) && $wp_super_cache_front_page_text != '' && false === strpos( $front_page[ 'body' ], $wp_super_cache_front_page_text ) ) {
if ( !isset( $wp_super_cache_front_page_clear ) || ( isset( $wp_super_cache_front_page_clear ) && $wp_super_cache_front_page_clear == 0 ) ) {
wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page is not correct! Please clear cache!', 'wp-super-cache' ), home_url() ), sprintf( __( 'Please visit %1$s to clear the cache as the front page of your site is not correct and missing the text, "%2$s"!', 'wp-super-cache' ), admin_url( 'options-general.php?page=wpsupercache' ), $wp_super_cache_front_page_text ) );
} else {
wp_cache_clear_cache( $wpdb->blogid );
wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page is not correct! Cache Cleared!', 'wp-super-cache' ), home_url() ), sprintf( __( 'The cache on your blog has been cleared because the front page of your site is missing the text "%2$s". Please visit %1$s to verify the cache has been cleared.', 'wp-super-cache' ), admin_url( 'options-general.php?page=wpsupercache' ), $wp_super_cache_front_page_text ) );
}
}
}
if ( isset( $wp_super_cache_front_page_notification ) && $wp_super_cache_front_page_notification == 1 ) {
wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Front page check!', 'wp-super-cache' ), home_url() ), sprintf( __( "WP Super Cache has checked the front page of your blog. Please visit %s if you would like to disable this.", 'wp-super-cache' ) . "\n\n", admin_url( 'options-general.php?page=wpsupercache' ) ) );
}
if ( !wp_next_scheduled( 'wp_cache_check_site_hook' ) ) {
wp_schedule_single_event( time() + 360 , 'wp_cache_check_site_hook' );
wp_cache_debug( 'scheduled wp_cache_check_site_hook for 360 seconds time.', 2 );
}
}
add_action( 'wp_cache_check_site_hook', 'wp_cache_check_site' );
function update_cached_mobile_ua_list( $mobile_browsers, $mobile_prefixes = 0, $mobile_groups = 0 ) {
global $wp_cache_config_file, $wp_cache_mobile_browsers, $wp_cache_mobile_prefixes, $wp_cache_mobile_groups;
wp_cache_setting( 'wp_cache_mobile_browsers', $mobile_browsers );
wp_cache_setting( 'wp_cache_mobile_prefixes', $mobile_prefixes );
if ( is_array( $mobile_groups ) ) {
$wp_cache_mobile_groups = $mobile_groups;
wp_cache_replace_line('^ *\$wp_cache_mobile_groups', "\$wp_cache_mobile_groups = '" . implode( ', ', $mobile_groups ) . "';", $wp_cache_config_file);
}
return true;
}
function wpsc_update_htaccess() {
extract( wpsc_get_htaccess_info() ); // $document_root, $apache_root, $home_path, $home_root, $home_root_lc, $inst_root, $wprules, $scrules, $condition_rules, $rules, $gziprules
wpsc_remove_marker( $home_path.'.htaccess', 'WordPress' ); // remove original WP rules so SuperCache rules go on top
if( insert_with_markers( $home_path.'.htaccess', 'WPSuperCache', explode( "\n", $rules ) ) && insert_with_markers( $home_path.'.htaccess', 'WordPress', explode( "\n", $wprules ) ) ) {
return true;
} else {
return false;
}
}
function wpsc_update_htaccess_form( $short_form = true ) {
global $wpmu_version;
$admin_url = admin_url( 'options-general.php?page=wpsupercache' );
extract( wpsc_get_htaccess_info() ); // $document_root, $apache_root, $home_path, $home_root, $home_root_lc, $inst_root, $wprules, $scrules, $condition_rules, $rules, $gziprules
if( !is_writeable_ACLSafe( $home_path . ".htaccess" ) ) {
echo "
" . __( 'Cannot update .htaccess', 'wp-super-cache' ) . " " . sprintf( __( 'The file %s.htaccess cannot be modified by the web server. Please correct this using the chmod command or your ftp client.', 'wp-super-cache' ), $home_path ) . "
" . __( 'Refresh this page when the file permissions have been modified.' ) . "
" . sprintf( __( 'Alternatively, you can edit your %s.htaccess file manually and add the following code (before any WordPress rules):', 'wp-super-cache' ), $home_path ) . "
";
echo "
# BEGIN WPSuperCache\n" . esc_html( $rules ) . "# END WPSuperCache ";
} else {
if ( $short_form == false ) {
echo "
" . sprintf( __( 'To serve static html files your server must have the correct mod_rewrite rules added to a file called %s.htaccess', 'wp-super-cache' ), $home_path ) . " ";
_e( "You can edit the file yourself. Add the following rules.", 'wp-super-cache' );
echo __( " Make sure they appear before any existing WordPress rules. ", 'wp-super-cache' ) . "
";
echo "
";
echo "
# BEGIN WPSuperCache\n" . esc_html( $rules ) . "# END WPSuperCache ";
echo "
";
echo "
" . sprintf( __( 'Rules must be added to %s too:', 'wp-super-cache' ), WP_CONTENT_DIR . "/cache/.htaccess" ) . " ";
echo "
";
echo "
# BEGIN supercache\n" . esc_html( $gziprules ) . "# END supercache ";
echo "
";
}
if ( !isset( $wpmu_version ) || $wpmu_version == '' ) {
echo '
\n";
}
}
}
/*
* Return LOGGED_IN_COOKIE if it doesn't begin with wordpress_logged_in
* to avoid having people update their .htaccess file
*/
function wpsc_get_logged_in_cookie() {
$logged_in_cookie = 'wordpress_logged_in';
if ( defined( 'LOGGED_IN_COOKIE' ) && substr( constant( 'LOGGED_IN_COOKIE' ), 0, 19 ) != 'wordpress_logged_in' )
$logged_in_cookie = constant( 'LOGGED_IN_COOKIE' );
return $logged_in_cookie;
}
function wpsc_get_htaccess_info() {
global $wp_cache_mobile_enabled, $wp_cache_mobile_prefixes, $wp_cache_mobile_browsers, $wp_cache_disable_utf8;
global $htaccess_path;
if ( isset( $_SERVER[ "PHP_DOCUMENT_ROOT" ] ) ) {
$document_root = $_SERVER[ "PHP_DOCUMENT_ROOT" ];
$apache_root = $_SERVER[ "PHP_DOCUMENT_ROOT" ];
} else {
$document_root = $_SERVER[ "DOCUMENT_ROOT" ];
$apache_root = '%{DOCUMENT_ROOT}';
}
$content_dir_root = $document_root;
if ( strpos( $document_root, '/kunden/homepages/' ) === 0 ) {
// https://wordpress.org/support/topic/plugin-wp-super-cache-how-to-get-mod_rewrite-working-on-1and1-shared-hosting?replies=1
// On 1and1, PHP's directory structure starts with '/homepages'. The
// Apache directory structure has an extra '/kunden' before it.
// Also 1and1 does not support the %{DOCUMENT_ROOT} variable in
// .htaccess files.
// This prevents the $inst_root from being calculated correctly and
// means that the $apache_root is wrong.
//
// e.g. This is an example of how Apache and PHP see the directory
// structure on 1and1:
// Apache: /kunden/homepages/xx/dxxxxxxxx/htdocs/site1/index.html
// PHP: /homepages/xx/dxxxxxxxx/htdocs/site1/index.html
// Here we fix up the paths to make mode_rewrite work on 1and1 shared hosting.
$content_dir_root = substr( $content_dir_root, 7 );
$apache_root = $document_root;
}
$home_path = get_home_path();
$home_root = parse_url(get_bloginfo('url'));
$home_root = isset( $home_root[ 'path' ] ) ? trailingslashit( $home_root[ 'path' ] ) : '/';
if ( isset( $htaccess_path ) ) {
$home_path = $htaccess_path;
} elseif (
$home_root == '/' &&
$home_path != $_SERVER[ 'DOCUMENT_ROOT' ]
) {
$home_path = $_SERVER[ 'DOCUMENT_ROOT' ];
} elseif (
$home_root != '/' &&
$home_path != str_replace( '//', '/', $_SERVER[ 'DOCUMENT_ROOT' ] . $home_root ) &&
is_dir( $_SERVER[ 'DOCUMENT_ROOT' ] . $home_root )
) {
$home_path = str_replace( '//', '/', $_SERVER[ 'DOCUMENT_ROOT' ] . $home_root );
}
$home_path = trailingslashit( $home_path );
$home_root_lc = str_replace( '//', '/', strtolower( $home_root ) );
$inst_root = str_replace( '//', '/', '/' . trailingslashit( str_replace( $content_dir_root, '', str_replace( '\\', '/', WP_CONTENT_DIR ) ) ) );
$wprules = implode( "\n", extract_from_markers( $home_path.'.htaccess', 'WordPress' ) );
$wprules = str_replace( "RewriteEngine On\n", '', $wprules );
$wprules = str_replace( "RewriteBase $home_root\n", '', $wprules );
$scrules = implode( "\n", extract_from_markers( $home_path.'.htaccess', 'WPSuperCache' ) );
if( substr( get_option( 'permalink_structure' ), -1 ) == '/' ) {
$condition_rules[] = "RewriteCond %{REQUEST_URI} !^.*[^/]$";
$condition_rules[] = "RewriteCond %{REQUEST_URI} !^.*//.*$";
}
$condition_rules[] = "RewriteCond %{REQUEST_METHOD} !POST";
$condition_rules[] = "RewriteCond %{QUERY_STRING} ^$";
$condition_rules[] = "RewriteCond %{HTTP:Cookie} !^.*(comment_author_|" . wpsc_get_logged_in_cookie() . wpsc_get_extra_cookies() . "|wp-postpass_).*$";
$condition_rules[] = "RewriteCond %{HTTP:X-Wap-Profile} !^[a-z0-9\\\"]+ [NC]";
$condition_rules[] = "RewriteCond %{HTTP:Profile} !^[a-z0-9\\\"]+ [NC]";
if ( $wp_cache_mobile_enabled ) {
if ( isset( $wp_cache_mobile_browsers ) && "" != $wp_cache_mobile_browsers )
$condition_rules[] = "RewriteCond %{HTTP_USER_AGENT} !^.*(" . addcslashes( str_replace( ', ', '|', $wp_cache_mobile_browsers ), ' ' ) . ").* [NC]";
if ( isset( $wp_cache_mobile_prefixes ) && "" != $wp_cache_mobile_prefixes )
$condition_rules[] = "RewriteCond %{HTTP_USER_AGENT} !^(" . addcslashes( str_replace( ', ', '|', $wp_cache_mobile_prefixes ), ' ' ) . ").* [NC]";
}
$condition_rules = apply_filters( 'supercacherewriteconditions', $condition_rules );
$rules = "
\n";
$rules .= "RewriteEngine On\n";
$rules .= "RewriteBase $home_root\n"; // props Chris Messina
$rules .= "#If you serve pages from behind a proxy you may want to change 'RewriteCond %{HTTPS} on' to something more sensible\n";
if ( isset( $wp_cache_disable_utf8 ) == false || $wp_cache_disable_utf8 == 0 ) {
$charset = get_option('blog_charset') == '' ? 'UTF-8' : get_option('blog_charset');
$rules .= "AddDefaultCharset {$charset}\n";
}
$rules .= "CONDITION_RULES";
$rules .= "RewriteCond %{HTTP:Accept-Encoding} gzip\n";
$rules .= "RewriteCond %{HTTPS} on\n";
$rules .= "RewriteCond {$apache_root}{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index-https.html.gz -f\n";
$rules .= "RewriteRule ^(.*) \"{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index-https.html.gz\" [L]\n\n";
$rules .= "CONDITION_RULES";
$rules .= "RewriteCond %{HTTP:Accept-Encoding} gzip\n";
$rules .= "RewriteCond %{HTTPS} !on\n";
$rules .= "RewriteCond {$apache_root}{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index.html.gz -f\n";
$rules .= "RewriteRule ^(.*) \"{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index.html.gz\" [L]\n\n";
$rules .= "CONDITION_RULES";
$rules .= "RewriteCond %{HTTPS} on\n";
$rules .= "RewriteCond {$apache_root}{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index-https.html -f\n";
$rules .= "RewriteRule ^(.*) \"{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index-https.html\" [L]\n\n";
$rules .= "CONDITION_RULES";
$rules .= "RewriteCond %{HTTPS} !on\n";
$rules .= "RewriteCond {$apache_root}{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index.html -f\n";
$rules .= "RewriteRule ^(.*) \"{$inst_root}cache/supercache/%{SERVER_NAME}{$home_root_lc}$1/index.html\" [L]\n";
$rules .= " \n";
$rules = apply_filters( 'supercacherewriterules', $rules );
$rules = str_replace( "CONDITION_RULES", implode( "\n", $condition_rules ) . "\n", $rules );
$gziprules = "
\n \n ForceType text/html\n FileETag None\n \n AddEncoding gzip .gz\n AddType text/html .gz\n \n";
$gziprules .= "
\n SetEnvIfNoCase Request_URI \.gz$ no-gzip\n \n";
$vary_header = $cache_control_header = '';
if ( defined( 'WPSC_VARY_HEADER' ) ) {
if ( WPSC_VARY_HEADER != '' ) {
$vary_header = WPSC_VARY_HEADER;
}
} else {
$vary_header = 'Accept-Encoding, Cookie';
}
if ( defined( 'WPSC_CACHE_CONTROL_HEADER' ) ) {
if ( WPSC_CACHE_CONTROL_HEADER != '' ) {
$cache_control_header = WPSC_CACHE_CONTROL_HEADER;
}
} else {
$cache_control_header = 'max-age=3, must-revalidate';
}
$headers_text = "";
if ( $vary_header != '' ) {
$headers_text .= " Header set Vary '$vary_header'\n";
}
if ( $cache_control_header != '' ) {
$headers_text .= " Header set Cache-Control '$cache_control_header'\n";
}
if ( $headers_text != '' ) {
$gziprules .= "
\n$headers_text \n";
}
$gziprules .= "
\n ExpiresActive On\n ExpiresByType text/html A3\n \n";
$gziprules .= "Options -Indexes\n";
return array( "document_root" => $document_root, "apache_root" => $apache_root, "home_path" => $home_path, "home_root" => $home_root, "home_root_lc" => $home_root_lc, "inst_root" => $inst_root, "wprules" => $wprules, "scrules" => $scrules, "condition_rules" => $condition_rules, "rules" => $rules, "gziprules" => $gziprules );
}
function clear_post_supercache( $post_id ) {
$dir = get_current_url_supercache_dir( $post_id );
if ( false == @is_dir( $dir ) )
return false;
if ( get_supercache_dir() == $dir ) {
wp_cache_debug( "clear_post_supercache: not deleting post_id $post_id as it points at homepage: $dir" );
return false;
}
wp_cache_debug( "clear_post_supercache: post_id: $post_id. deleting files in $dir" );
if ( get_post_type( $post_id ) != 'page') { // don't delete child pages if they exist
prune_super_cache( $dir, true );
} else {
wpsc_delete_files( $dir );
}
}
function wp_cron_preload_cache() {
global $wpdb, $wp_cache_preload_interval, $wp_cache_preload_posts, $wp_cache_preload_email_me, $wp_cache_preload_email_volume, $cache_path, $wp_cache_preload_taxonomies;
if ( get_option( 'preload_cache_stop' ) ) {
delete_option( 'preload_cache_stop' );
wp_cache_debug( 'wp_cron_preload_cache: preload cancelled', 1 );
return true;
}
$mutex = $cache_path . "preload_mutex.tmp";
sleep( 3 + mt_rand( 1, 5 ) );
if ( @file_exists( $mutex ) ) {
if ( @filemtime( $mutex ) > ( time() - 600 ) ) {
wp_cache_debug( 'wp_cron_preload_cache: preload mutex found and less than 600 seconds old. Aborting preload.', 1 );
return true;
} else {
wp_cache_debug( 'wp_cron_preload_cache: old preload mutex found and deleted. Preload continues.', 1 );
@unlink( $mutex );
}
}
$fp = @fopen( $mutex, 'w' );
@fclose( $fp );
$counter = get_option( 'preload_cache_counter' );
if ( is_array( $counter ) == false ) {
wp_cache_debug( 'wp_cron_preload_cache: setting up preload for the first time!', 5 );
$counter = array( 'c' => 0, 't' => time() );
update_option( 'preload_cache_counter', $counter );
}
$c = $counter[ 'c' ];
update_option( 'preload_cache_counter', array( 'c' => ( $c + 100 ), 't' => time() ) );
if ( $wp_cache_preload_email_volume == 'none' && $wp_cache_preload_email_me == 1 ) {
$wp_cache_preload_email_me = 0;
wp_cache_setting( 'wp_cache_preload_email_me', 0 );
}
if ( $wp_cache_preload_email_me && $c == 0 )
wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] Cache Preload Started', 'wp-super-cache' ), home_url(), '' ), ' ' );
if ( $wp_cache_preload_posts == 'all' || $c < $wp_cache_preload_posts ) {
wp_cache_debug( 'wp_cron_preload_cache: doing taxonomy preload.', 5 );
$permalink_counter_msg = $cache_path . "preload_permalink.txt";
if ( isset( $wp_cache_preload_taxonomies ) && $wp_cache_preload_taxonomies ) {
$taxonomies = apply_filters( 'wp_cache_preload_taxonomies', array( 'post_tag' => 'tag', 'category' => 'category' ) );
foreach( $taxonomies as $taxonomy => $path ) {
$taxonomy_filename = $cache_path . "taxonomy_" . $taxonomy . ".txt";
if ( $c == 0 )
@unlink( $taxonomy_filename );
if ( false == @file_exists( $taxonomy_filename ) ) {
$out = '';
$records = get_terms( $taxonomy );
foreach( $records as $term ) {
$out .= get_term_link( $term ). "\n";
}
$fp = fopen( $taxonomy_filename, 'w' );
if ( $fp ) {
fwrite( $fp, $out );
fclose( $fp );
}
$details = explode( "\n", $out );
} else {
$details = explode( "\n", file_get_contents( $taxonomy_filename ) );
}
if ( count( $details ) != 1 && $details[ 0 ] != '' ) {
$rows = array_splice( $details, 0, 50 );
if ( $wp_cache_preload_email_me && $wp_cache_preload_email_volume == 'many' )
wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] Refreshing %2$s taxonomy from %3$d to %4$d', 'wp-super-cache' ), home_url(), $taxonomy, $c, ($c+100) ), 'Refreshing: ' . print_r( $rows, 1 ) );
foreach( (array)$rows as $url ) {
set_time_limit( 60 );
if ( $url == '' )
continue;
$url_info = parse_url( $url );
$dir = get_supercache_dir() . $url_info[ 'path' ];
wp_cache_debug( "wp_cron_preload_cache: delete $dir", 5 );
prune_super_cache( $dir );
$fp = @fopen( $permalink_counter_msg, 'w' );
if ( $fp ) {
@fwrite( $fp, "$taxonomy: $url" );
@fclose( $fp );
}
wp_remote_get( $url, array('timeout' => 60, 'blocking' => true ) );
wp_cache_debug( "wp_cron_preload_cache: fetched $url", 5 );
sleep( 1 );
if ( @file_exists( $cache_path . "stop_preload.txt" ) ) {
wp_cache_debug( 'wp_cron_preload_cache: cancelling preload. stop_preload.txt found.', 5 );
@unlink( $mutex );
@unlink( $cache_path . "stop_preload.txt" );
@unlink( $taxonomy_filename );
update_option( 'preload_cache_counter', array( 'c' => 0, 't' => time() ) );
if ( $wp_cache_preload_email_me )
wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] Cache Preload Stopped', 'wp-super-cache' ), home_url(), '' ), ' ' );
return true;
}
}
$fp = fopen( $taxonomy_filename, 'w' );
if ( $fp ) {
fwrite( $fp, implode( "\n", $details ) );
fclose( $fp );
}
}
}
}
}
if ( $wp_cache_preload_posts == 'all' || $c < $wp_cache_preload_posts ) {
$types = wpsc_get_post_types();
$posts = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM {$wpdb->posts} WHERE ( post_type IN ( $types ) ) AND post_status = 'publish' ORDER BY ID DESC LIMIT %d, 100", $c ) );
wp_cache_debug( "wp_cron_preload_cache: got 100 posts from position $c.", 5 );
} else {
wp_cache_debug( "wp_cron_preload_cache: no more posts to get. Limit ($wp_cache_preload_posts) reached.", 5 );
$posts = false;
}
if ( !isset( $wp_cache_preload_email_volume ) )
$wp_cache_preload_email_volume = 'medium';
if ( $posts ) {
if ( get_option( 'show_on_front' ) == 'page' ) {
$page_on_front = get_option( 'page_on_front' );
$page_for_posts = get_option( 'page_for_posts' );
} else {
$page_on_front = $page_for_posts = 0;
}
if ( $wp_cache_preload_email_me && $wp_cache_preload_email_volume == 'many' )
wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] Refreshing posts from %2$d to %3$d', 'wp-super-cache' ), home_url(), $c, ($c+100) ), ' ' );
$msg = '';
$count = $c + 1;
$permalink_counter_msg = $cache_path . "preload_permalink.txt";
foreach( $posts as $post_id ) {
set_time_limit( 60 );
if ( $page_on_front != 0 && ( $post_id == $page_on_front || $post_id == $page_for_posts ) )
continue;
$url = get_permalink( $post_id );
if ( wp_cache_is_rejected( $url ) ) {
wp_cache_debug( "wp_cron_preload_cache: skipped $url per rejected strings setting" );
continue;
}
clear_post_supercache( $post_id );
$fp = @fopen( $permalink_counter_msg, 'w' );
if ( $fp ) {
@fwrite( $fp, $count . " " . $url );
@fclose( $fp );
}
if ( @file_exists( $cache_path . "stop_preload.txt" ) ) {
wp_cache_debug( 'wp_cron_preload_cache: cancelling preload. stop_preload.txt found.', 5 );
@unlink( $mutex );
@unlink( $cache_path . "stop_preload.txt" );
update_option( 'preload_cache_counter', array( 'c' => 0, 't' => time() ) );
if ( $wp_cache_preload_email_me )
wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] Cache Preload Stopped', 'wp-super-cache' ), home_url(), '' ), ' ' );
return true;
}
$msg .= "$url\n";
wp_remote_get( $url, array('timeout' => 60, 'blocking' => true ) );
wp_cache_debug( "wp_cron_preload_cache: fetched $url", 5 );
sleep( 1 );
$count++;
}
if ( $wp_cache_preload_email_me && ( $wp_cache_preload_email_volume == 'medium' || $wp_cache_preload_email_volume == 'many' ) )
wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] %2$d posts refreshed', 'wp-super-cache' ), home_url(), ($c+100) ), __( "Refreshed the following posts:", 'wp-super-cache' ) . "\n$msg" );
if ( defined( 'DOING_CRON' ) ) {
wp_cache_debug( 'wp_cron_preload_cache: scheduling the next preload in 30 seconds.', 5 );
wp_schedule_single_event( time() + 30, 'wp_cache_preload_hook' );
}
wpsc_delete_files( get_supercache_dir() );
} else {
$msg = '';
update_option( 'preload_cache_counter', array( 'c' => 0, 't' => time() ) );
if ( (int)$wp_cache_preload_interval && defined( 'DOING_CRON' ) ) {
if ( $wp_cache_preload_email_me )
$msg = sprintf( __( 'Scheduling next preload refresh in %d minutes.', 'wp-super-cache' ), (int)$wp_cache_preload_interval );
wp_cache_debug( "wp_cron_preload_cache: no more posts. scheduling next preload in $wp_cache_preload_interval minutes.", 5 );
wp_schedule_single_event( time() + ( (int)$wp_cache_preload_interval * 60 ), 'wp_cache_full_preload_hook' );
}
global $file_prefix, $cache_max_time;
if ( $wp_cache_preload_interval > 0 ) {
$cache_max_time = (int)$wp_cache_preload_interval * 60; // fool the GC into expiring really old files
} else {
$cache_max_time = 86400; // fool the GC into expiring really old files
}
if ( $wp_cache_preload_email_me )
wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Cache Preload Completed', 'wp-super-cache' ), home_url() ), __( "Cleaning up old supercache files.", 'wp-super-cache' ) . "\n" . $msg );
if ( $cache_max_time > 0 ) { // GC is NOT disabled
wp_cache_debug( "wp_cron_preload_cache: clean expired cache files older than $cache_max_time seconds.", 5 );
wp_cache_phase2_clean_expired( $file_prefix, true ); // force cleanup of old files.
}
}
@unlink( $mutex );
}
add_action( 'wp_cache_preload_hook', 'wp_cron_preload_cache' );
add_action( 'wp_cache_full_preload_hook', 'wp_cron_preload_cache' );
function next_preload_message( $hook, $text, $limit = 0 ) {
global $currently_preloading, $wp_cache_preload_interval;
if ( $next_preload = wp_next_scheduled( $hook ) ) {
$next_time = $next_preload - time();
if ( $limit != 0 && $next_time > $limit )
return false;
$h = $m = $s = 0;
if ( $next_time > 0 ) {
$m = (int)($next_time / 60);
$s = $next_time % 60;
$h = (int)($m / 60); $m = $m % 60;
}
if ( $next_time > 0 && $next_time < ( 60 * $wp_cache_preload_interval ) )
echo '
' . sprintf( $text, $h, $m, $s ) . '
';
if ( ( $next_preload - time() ) <= 60 )
$currently_preloading = true;
}
}
function option_preload_cache_counter( $value ) {
if ( false == is_array( $value ) ) {
$ret = array( 'c' => $value, 't' => time(), 'first' => 1 );
return $ret;
}
return $value;
}
add_filter( 'option_preload_cache_counter', 'option_preload_cache_counter' );
function check_up_on_preloading() {
$value = get_option( 'preload_cache_counter' );
if ( is_array( $value ) && $value[ 'c' ] > 0 && ( time() - $value[ 't' ] ) > 3600 && false == wp_next_scheduled( 'wp_cache_preload_hook' ) ) {
if ( is_admin() ) {
if ( get_option( 'wpsc_preload_restart_email' ) < ( time() - 86400 ) ) {
wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Preload may have stalled.', 'wp-super-cache' ), get_bloginfo( 'url' ) ), sprintf( __( "Preload has been restarted.\n%s", 'wp-super-cache' ), admin_url( "options-general.php?page=wpsupercache" ) ) );
update_option( 'wpsc_preload_restart_email', time() );
}
add_action( 'admin_notices', 'wpsc_preload_restart_notice' );
}
wp_schedule_single_event( time() + 30, 'wp_cache_preload_hook' );
}
}
add_action( 'init', 'check_up_on_preloading' ); // sometimes preloading stops working. Kickstart it.
function wpsc_preload_restart_notice() {
if ( false == wpsupercache_site_admin() )
return false;
if ( ! isset( $_GET[ 'page' ] ) || $_GET[ 'page' ] != 'wpsupercache' )
return false;
echo '
' . __( 'Warning! WP Super Cache preload was interrupted but has been restarted.', 'wp-super-cache' ) . '
';
}
function wp_cache_disable_plugin( $delete_config_file = true ) {
global $wp_rewrite;
if ( file_exists( ABSPATH . 'wp-config.php') ) {
$global_config_file = ABSPATH . 'wp-config.php';
} else {
$global_config_file = dirname(ABSPATH) . '/wp-config.php';
}
if ( apply_filters( 'wpsc_enable_wp_config_edit', true ) ) {
$line = 'define(\'WP_CACHE\', true);';
if (
strpos( file_get_contents( $global_config_file ), $line ) &&
(
! is_writeable_ACLSafe( $global_config_file ) ||
! wp_cache_replace_line( 'define*\(*\'WP_CACHE\'', '', $global_config_file )
)
) {
wp_die( "Could not remove WP_CACHE define from $global_config_file. Please edit that file and remove the line containing the text 'WP_CACHE'. Then refresh this page." );
}
$line = 'define( \'WPCACHEHOME\',';
if (
strpos( file_get_contents( $global_config_file ), $line ) &&
(
! is_writeable_ACLSafe( $global_config_file ) ||
! wp_cache_replace_line( 'define *\( *\'WPCACHEHOME\'', '', $global_config_file )
)
) {
wp_die( "Could not remove WPCACHEHOME define from $global_config_file. Please edit that file and remove the line containing the text 'WPCACHEHOME'. Then refresh this page." );
}
} elseif ( function_exists( 'wp_cache_debug' ) ) {
wp_cache_debug( 'wp_cache_disable_plugin: not allowed to edit wp-config.php per configuration.' );
}
uninstall_supercache( WP_CONTENT_DIR . '/cache' );
$file_not_deleted = false;
wpsc_remove_advanced_cache();
if ( @file_exists( WP_CONTENT_DIR . "/advanced-cache.php" ) ) {
$file_not_deleted[] = WP_CONTENT_DIR . '/advanced-cache.php';
}
if ( $delete_config_file && @file_exists( WPCACHECONFIGPATH . "/wp-cache-config.php" ) ) {
if ( false == unlink( WPCACHECONFIGPATH . "/wp-cache-config.php" ) )
$file_not_deleted[] = WPCACHECONFIGPATH . '/wp-cache-config.php';
}
if ( $file_not_deleted ) {
$msg = __( "Dear User,\n\nWP Super Cache was removed from your blog or deactivated but some files could\nnot be deleted.\n\n", 'wp-super-cache' );
foreach( (array)$file_not_deleted as $path ) {
$msg .= "{$path}\n";
}
$msg .= "\n";
$msg .= sprintf( __( "You should delete these files manually.\nYou may need to change the permissions of the files or parent directory.\nYou can read more about this in the Codex at\n%s\n\nThank you.", 'wp-super-cache' ), 'https://codex.wordpress.org/Changing_File_Permissions#About_Chmod' );
if ( apply_filters( 'wpsc_send_uninstall_errors', 1 ) ) {
wp_mail( get_option( 'admin_email' ), __( 'WP Super Cache: could not delete files', 'wp-super-cache' ), $msg );
}
}
extract( wpsc_get_htaccess_info() ); // $document_root, $apache_root, $home_path, $home_root, $home_root_lc, $inst_root, $wprules, $scrules, $condition_rules, $rules, $gziprules
if ( $scrules != '' && insert_with_markers( $home_path.'.htaccess', 'WPSuperCache', array() ) ) {
$wp_rewrite->flush_rules();
} elseif( $scrules != '' ) {
wp_mail( get_option( 'admin_email' ), __( 'Supercache Uninstall Problems', 'wp-super-cache' ), sprintf( __( "Dear User,\n\nWP Super Cache was removed from your blog but the mod_rewrite rules\nin your .htaccess were not.\n\nPlease edit the following file and remove the code\nbetween 'BEGIN WPSuperCache' and 'END WPSuperCache'. Please backup the file first!\n\n%s\n\nRegards,\nWP Super Cache Plugin\nhttps://wordpress.org/plugins/wp-super-cache/", 'wp-super-cache' ), ABSPATH . '/.htaccess' ) );
}
}
function uninstall_supercache( $folderPath ) { // from http://www.php.net/manual/en/function.rmdir.php
if ( trailingslashit( constant( 'ABSPATH' ) ) == trailingslashit( $folderPath ) )
return false;
if ( @is_dir ( $folderPath ) ) {
$dh = @opendir($folderPath);
while( false !== ( $value = @readdir( $dh ) ) ) {
if ( $value != "." && $value != ".." ) {
$value = $folderPath . "/" . $value;
if ( @is_dir ( $value ) ) {
uninstall_supercache( $value );
} else {
@unlink( $value );
}
}
}
return @rmdir( $folderPath );
} else {
return false;
}
}
function supercache_admin_bar_render() {
global $wp_admin_bar;
if ( function_exists( '_deprecated_function' ) ) {
_deprecated_function( __FUNCTION__, 'WP Super Cache 1.6.4' );
}
wpsc_admin_bar_render( $wp_admin_bar );
}
/**
* Adds "Delete Cache" button in WP Toolbar.
*/
function wpsc_admin_bar_render( $wp_admin_bar ) {
if ( ! function_exists( 'current_user_can' ) || ! is_user_logged_in() ) {
return false;
}
$path_to_home = rtrim( (string) parse_url( get_option( 'home' ), PHP_URL_PATH ), '/' );
if ( ( is_singular() || is_archive() || is_front_page() || is_search() ) && current_user_can( 'delete_others_posts' ) ) {
$site_regex = preg_quote( $path_to_home, '`' );
$req_uri = preg_replace( '/[ <>\'\"\r\n\t\(\)]/', '', $_SERVER[ 'REQUEST_URI' ] );
$path = preg_replace( '`^' . $site_regex . '`', '', $req_uri );
$wp_admin_bar->add_menu( array(
'parent' => '',
'id' => 'delete-cache',
'title' => __( 'Delete Cache', 'wp-super-cache' ),
'meta' => array( 'title' => __( 'Delete cache of the current page', 'wp-super-cache' ) ),
'href' => wp_nonce_url( admin_url( 'index.php?action=delcachepage&path=' . rawurlencode( $path ) ), 'delete-cache' )
) );
}
if ( is_admin() && ( wpsupercache_site_admin() || current_user_can( 'delete_others_posts' ) ) ) {
$wp_admin_bar->add_menu( array(
'parent' => '',
'id' => 'delete-cache',
'title' => __( 'Delete Cache', 'wp-super-cache' ),
'meta' => array( 'title' => __( 'Delete Super Cache cached files', 'wp-super-cache' ) ),
'href' => wp_nonce_url( admin_url( 'index.php?admin=1&action=delcachepage&path=' . rawurlencode( trailingslashit( $path_to_home ) ) ), 'delete-cache' )
) );
}
}
add_action( 'admin_bar_menu', 'wpsc_admin_bar_render', 99 );
function wpsc_cancel_preload() {
global $cache_path;
$next_preload = wp_next_scheduled( 'wp_cache_preload_hook' );
if ( $next_preload ) {
wp_cache_debug( 'wpsc_cancel_preload: unscheduling wp_cache_preload_hook' );
update_option( 'preload_cache_counter', array( 'c' => 0, 't' => time() ) );
wp_unschedule_event( $next_preload, 'wp_cache_preload_hook' );
}
$next_preload = wp_next_scheduled( 'wp_cache_full_preload_hook' );
if ( $next_preload ) {
update_option( 'preload_cache_counter', array( 'c' => 0, 't' => time() ) );
wp_cache_debug( 'wpsc_cancel_preload: unscheduling wp_cache_full_preload_hook' );
wp_unschedule_event( $next_preload, 'wp_cache_full_preload_hook' );
}
wp_cache_debug( 'wpsc_cancel_preload: creating stop_preload.txt' );
$fp = @fopen( $cache_path . "stop_preload.txt", 'w' );
@fclose( $fp );
}
function wpsc_enable_preload() {
global $cache_path;
@unlink( $cache_path . "preload_mutex.tmp" );
update_option( 'preload_cache_counter', array( 'c' => 0, 't' => time() ) );
wp_schedule_single_event( time() + 10, 'wp_cache_full_preload_hook' );
}
function wpsc_get_post_types() {
$preload_type_args = apply_filters( 'wpsc_preload_post_types_args', array(
'public' => true,
'publicly_queryable' => true
) );
$post_types = (array) apply_filters( 'wpsc_preload_post_types', get_post_types( $preload_type_args, 'names', 'or' ));
return "'" . join( "', '", array_map( 'esc_sql', $post_types ) ) . "'";
}
function wpsc_post_count() {
global $wpdb;
static $count;
if ( isset( $count ) ) {
return $count;
}
$post_type_list = wpsc_get_post_types();
$count = $wpdb->get_var( "SELECT COUNT(*) FROM {$wpdb->posts} WHERE post_type IN ( $post_type_list ) AND post_status = 'publish'" );
return $count;
}
function wpsc_preload_settings( $min_refresh_interval = 'NA' ) {
global $wp_cache_preload_interval, $wp_cache_preload_on, $wp_cache_preload_taxonomies, $wp_cache_preload_email_me, $wp_cache_preload_email_volume, $wp_cache_preload_posts, $wpdb;
$return = array();
if ( isset( $_POST[ 'action' ] ) == false || $_POST[ 'action' ] != 'preload' )
return $return;
if ( isset( $_POST[ 'preload_off' ] ) ) {
wpsc_cancel_preload();
$return[] = "
" . __( 'Scheduled preloading of cache almost cancelled. It may take up to a minute for it to cancel completely.', 'wp-super-cache' ) . "
";
return $return;
} elseif ( isset( $_POST[ 'preload_now' ] ) ) {
wpsc_enable_preload();
return $return;
}
if ( $min_refresh_interval == 'NA' ) {
$count = wpsc_post_count();
if ( $count > 1000 ) {
$min_refresh_interval = 720;
} else {
$min_refresh_interval = 30;
}
}
if ( isset( $_POST[ 'wp_cache_preload_interval' ] ) && ( $_POST[ 'wp_cache_preload_interval' ] == 0 || $_POST[ 'wp_cache_preload_interval' ] >= $min_refresh_interval ) ) {
// if preload interval changes than unschedule any preload jobs and schedule any new one.
$_POST[ 'wp_cache_preload_interval' ] = (int)$_POST[ 'wp_cache_preload_interval' ];
if ( $wp_cache_preload_interval != $_POST[ 'wp_cache_preload_interval' ] ) {
$next_preload = wp_next_scheduled( 'wp_cache_full_preload_hook' );
if ( $next_preload ) {
update_option( 'preload_cache_counter', array( 'c' => 0, 't' => time() ) );
add_option( 'preload_cache_stop', 1 );
wp_unschedule_event( $next_preload, 'wp_cache_full_preload_hook' );
if ( $wp_cache_preload_interval == 0 ) {
$return[] = "
" . __( 'Scheduled preloading of cache cancelled.', 'wp-super-cache' ) . "
";
}
if ( $_POST[ 'wp_cache_preload_interval' ] != 0 )
wp_schedule_single_event( time() + ( $_POST[ 'wp_cache_preload_interval' ] * 60 ), 'wp_cache_full_preload_hook' );
}
}
$wp_cache_preload_interval = (int)$_POST[ 'wp_cache_preload_interval' ];
wp_cache_setting( "wp_cache_preload_interval", $wp_cache_preload_interval );
}
if ( $_POST[ 'wp_cache_preload_posts' ] == 'all' ) {
$wp_cache_preload_posts = 'all';
} else {
$wp_cache_preload_posts = (int)$_POST[ 'wp_cache_preload_posts' ];
}
wp_cache_setting( 'wp_cache_preload_posts', $wp_cache_preload_posts );
if ( isset( $_POST[ 'wp_cache_preload_email_volume' ] ) && in_array( $_POST[ 'wp_cache_preload_email_volume' ], array( 'none', 'less', 'medium', 'many' ) ) ) {
$wp_cache_preload_email_volume = $_POST[ 'wp_cache_preload_email_volume' ];
} else {
$wp_cache_preload_email_volume = 'none';
}
wp_cache_setting( 'wp_cache_preload_email_volume', $wp_cache_preload_email_volume );
if ( $wp_cache_preload_email_volume == 'none' )
wp_cache_setting( 'wp_cache_preload_email_me', 0 );
else
wp_cache_setting( 'wp_cache_preload_email_me', 1 );
if ( isset( $_POST[ 'wp_cache_preload_taxonomies' ] ) ) {
$wp_cache_preload_taxonomies = 1;
} else {
$wp_cache_preload_taxonomies = 0;
}
wp_cache_setting( 'wp_cache_preload_taxonomies', $wp_cache_preload_taxonomies );
if ( isset( $_POST[ 'wp_cache_preload_on' ] ) ) {
$wp_cache_preload_on = 1;
} else {
$wp_cache_preload_on = 0;
}
wp_cache_setting( 'wp_cache_preload_on', $wp_cache_preload_on );
return $return;
}
function wpsc_is_preloading() {
if ( wp_next_scheduled( 'wp_cache_preload_hook' ) || wp_next_scheduled( 'wp_cache_full_preload_hook' ) ) {
return true;
} else {
return false;
}
}
function wpsc_set_default_gc( $force = false ) {
global $cache_path, $wp_cache_shutdown_gc, $cache_schedule_type;
if ( isset( $wp_cache_shutdown_gc ) && $wp_cache_shutdown_gc == 1 ) {
return false;
}
if ( $force ) {
unset( $cache_schedule_type );
$timestamp = wp_next_scheduled( 'wp_cache_gc' );
if ( $timestamp ) {
wp_unschedule_event( $timestamp, 'wp_cache_gc' );
}
}
// set up garbage collection with some default settings
if ( false == isset( $cache_schedule_type ) && false == wp_next_scheduled( 'wp_cache_gc' ) ) {
$cache_schedule_type = 'interval';
$cache_time_interval = 600;
$cache_max_time = 1800;
$cache_schedule_interval = 'hourly';
$cache_gc_email_me = 0;
wp_cache_setting( 'cache_schedule_type', $cache_schedule_type );
wp_cache_setting( 'cache_time_interval', $cache_time_interval );
wp_cache_setting( 'cache_max_time', $cache_max_time );
wp_cache_setting( 'cache_schedule_interval', $cache_schedule_interval );
wp_cache_setting( 'cache_gc_email_me', $cache_gc_email_me );
wp_schedule_single_event( time() + 600, 'wp_cache_gc' );
}
return true;
}
function add_mod_rewrite_rules() {
return update_mod_rewrite_rules();
}
function remove_mod_rewrite_rules() {
return update_mod_rewrite_rules( false );
}
function update_mod_rewrite_rules( $add_rules = true ) {
global $cache_path, $update_mod_rewrite_rules_error;
$update_mod_rewrite_rules_error = false;
if ( defined( "DO_NOT_UPDATE_HTACCESS" ) ) {
$update_mod_rewrite_rules_error = ".htaccess update disabled by admin: DO_NOT_UPDATE_HTACCESS defined";
return false;
}
if ( ! function_exists( 'get_home_path' ) ) {
include_once( ABSPATH . 'wp-admin/includes/file.php' ); // get_home_path()
include_once( ABSPATH . 'wp-admin/includes/misc.php' ); // extract_from_markers()
}
$home_path = trailingslashit( get_home_path() );
$home_root = parse_url( get_bloginfo( 'url' ) );
$home_root = isset( $home_root[ 'path' ] ) ? trailingslashit( $home_root[ 'path' ] ) : '/';
if (
$home_root == '/' &&
$home_path != $_SERVER[ 'DOCUMENT_ROOT' ]
) {
$home_path = $_SERVER[ 'DOCUMENT_ROOT' ];
} elseif (
$home_root != '/' &&
$home_path != str_replace( '//', '/', $_SERVER[ 'DOCUMENT_ROOT' ] . $home_root ) &&
is_dir( $_SERVER[ 'DOCUMENT_ROOT' ] . $home_root )
) {
$home_path = str_replace( '//', '/', $_SERVER[ 'DOCUMENT_ROOT' ] . $home_root );
}
$home_path = trailingslashit( $home_path );
if ( ! file_exists( $home_path . ".htaccess" ) ) {
$update_mod_rewrite_rules_error = ".htaccess not found: {$home_path}.htaccess";
return false;
}
$generated_rules = wpsc_get_htaccess_info();
$existing_rules = implode( "\n", extract_from_markers( $home_path . '.htaccess', 'WPSuperCache' ) );
$rules = $add_rules ? $generated_rules[ 'rules' ] : '';
if ( $existing_rules == $rules ) {
$update_mod_rewrite_rules_error = "rules have not changed";
return true;
}
if ( $generated_rules[ 'wprules' ] == '' ) {
$update_mod_rewrite_rules_error = "WordPress rules empty";
return false;
}
if ( empty( $rules ) ) {
return insert_with_markers( $home_path . '.htaccess', 'WPSuperCache', array() );
}
$url = trailingslashit( get_bloginfo( 'url' ) );
$original_page = wp_remote_get( $url, array( 'timeout' => 60, 'blocking' => true ) );
if ( is_wp_error( $original_page ) ) {
$update_mod_rewrite_rules_error = "Problem loading page";
return false;
}
$backup_filename = $cache_path . 'htaccess.' . mt_rand() . ".php";
$backup_file_contents = file_get_contents( $home_path . '.htaccess' );
file_put_contents( $backup_filename, "<" . "?php die(); ?" . ">" . $backup_file_contents );
$existing_gzip_rules = implode( "\n", extract_from_markers( $cache_path . '.htaccess', 'supercache' ) );
if ( $existing_gzip_rules != $generated_rules[ 'gziprules' ] ) {
insert_with_markers( $cache_path . '.htaccess', 'supercache', explode( "\n", $generated_rules[ 'gziprules' ] ) );
}
$wprules = extract_from_markers( $home_path . '.htaccess', 'WordPress' );
wpsc_remove_marker( $home_path . '.htaccess', 'WordPress' ); // remove original WP rules so SuperCache rules go on top
if ( insert_with_markers( $home_path . '.htaccess', 'WPSuperCache', explode( "\n", $rules ) ) && insert_with_markers( $home_path . '.htaccess', 'WordPress', $wprules ) ) {
$new_page = wp_remote_get( $url, array( 'timeout' => 60, 'blocking' => true ) );
$restore_backup = false;
if ( is_wp_error( $new_page ) ) {
$restore_backup = true;
$update_mod_rewrite_rules_error = "Error testing page with new .htaccess rules: " . $new_page->get_error_message() . ".";
wp_cache_debug( 'update_mod_rewrite_rules: failed to update rules. error fetching second page: ' . $new_page->get_error_message() );
} elseif ( $new_page[ 'body' ] != $original_page[ 'body' ] ) {
$restore_backup = true;
$update_mod_rewrite_rules_error = "Page test failed as pages did not match with new .htaccess rules.";
wp_cache_debug( 'update_mod_rewrite_rules: failed to update rules. page test failed as pages did not match. Files dumped in ' . $cache_path . ' for inspection.' );
wp_cache_debug( 'update_mod_rewrite_rules: original page: 1-' . md5( $original_page[ 'body' ] ) . '.txt' );
wp_cache_debug( 'update_mod_rewrite_rules: new page: 1-' . md5( $new_page[ 'body' ] ) . '.txt' );
file_put_contents( $cache_path . '1-' . md5( $original_page[ 'body' ] ) . '.txt', $original_page[ 'body' ] );
file_put_contents( $cache_path . '2-' . md5( $new_page[ 'body' ] ) . '.txt', $new_page[ 'body' ] );
}
if ( $restore_backup ) {
global $wp_cache_debug;
file_put_contents( $home_path . '.htaccess', $backup_file_contents );
unlink( $backup_filename );
if ( $wp_cache_debug ) {
$update_mod_rewrite_rules_error .= "
See debug log for further details";
} else {
$update_mod_rewrite_rules_error .= "
Enable debug log on Debugging page for further details and try again";
}
return false;
}
} else {
file_put_contents( $home_path . '.htaccess', $backup_file_contents );
unlink( $backup_filename );
$update_mod_rewrite_rules_error = "problem inserting rules in .htaccess and original .htaccess restored";
return false;
}
return true;
}
// Delete feeds when the site is updated so that feed files are always fresh
function wpsc_feed_update( $type, $permalink ) {
$wpsc_feed_list = get_option( 'wpsc_feed_list' );
update_option( 'wpsc_feed_list', array() );
if ( is_array( $wpsc_feed_list ) && ! empty( $wpsc_feed_list ) ) {
foreach( $wpsc_feed_list as $file ) {
wp_cache_debug( "wpsc_feed_update: deleting feed: $file" );
prune_super_cache( $file, true );
prune_super_cache( dirname( $file ) . '/meta-' . basename( $file ), true );
}
}
}
add_action( 'gc_cache', 'wpsc_feed_update', 10, 2 );
function wpsc_get_plugin_list() {
$list = do_cacheaction( 'wpsc_filter_list' );
foreach( $list as $t => $details ) {
$key = "cache_" . $details[ 'key' ];
if ( isset( $GLOBALS[ $key ] ) && $GLOBALS[ $key ] == 1 ) {
$list[ $t ][ 'enabled' ] = true;
} else {
$list[ $t ][ 'enabled' ] = false;
}
$list[ $t ][ 'desc' ] = strip_tags( $list[ $t ][ 'desc' ] );
$list[ $t ][ 'title' ] = strip_tags( $list[ $t ][ 'title' ] );
}
return $list;
}
function wpsc_update_plugin_list( $update ) {
$list = do_cacheaction( 'wpsc_filter_list' );
foreach( $update as $key => $enabled ) {
$plugin_toggle = "cache_{$key}";
if ( isset( $GLOBALS[ $plugin_toggle ] ) || isset( $list[ $key ] ) ) {
wp_cache_setting( $plugin_toggle, (int)$enabled );
}
}
}
function wpsc_add_plugin( $file ) {
global $wpsc_plugins;
if ( substr( $file, 0, strlen( ABSPATH ) ) == ABSPATH ) {
$file = substr( $file, strlen( ABSPATH ) ); // remove ABSPATH
}
if (
! isset( $wpsc_plugins ) ||
! is_array( $wpsc_plugins ) ||
! in_array( $file, $wpsc_plugins )
) {
$wpsc_plugins[] = $file;
wp_cache_setting( 'wpsc_plugins', $wpsc_plugins );
}
return $file;
}
add_action( 'wpsc_add_plugin', 'wpsc_add_plugin' );
function wpsc_delete_plugin( $file ) {
global $wpsc_plugins;
if ( substr( $file, 0, strlen( ABSPATH ) ) == ABSPATH ) {
$file = substr( $file, strlen( ABSPATH ) ); // remove ABSPATH
}
if (
isset( $wpsc_plugins ) &&
is_array( $wpsc_plugins ) &&
in_array( $file, $wpsc_plugins )
) {
unset( $wpsc_plugins[ array_search( $file, $wpsc_plugins ) ] );
wp_cache_setting( 'wpsc_plugins', $wpsc_plugins );
}
return $file;
}
add_action( 'wpsc_delete_plugin', 'wpsc_delete_plugin' );
function wpsc_get_plugins() {
global $wpsc_plugins;
return $wpsc_plugins;
}
function wpsc_add_cookie( $name ) {
global $wpsc_cookies;
if (
! isset( $wpsc_cookies ) ||
! is_array( $wpsc_cookies ) ||
! in_array( $name, $wpsc_cookies )
) {
$wpsc_cookies[] = $name;
wp_cache_setting( 'wpsc_cookies', $wpsc_cookies );
}
return $name;
}
add_action( 'wpsc_add_cookie', 'wpsc_add_cookie' );
function wpsc_delete_cookie( $name ) {
global $wpsc_cookies;
if (
isset( $wpsc_cookies ) &&
is_array( $wpsc_cookies ) &&
in_array( $name, $wpsc_cookies )
) {
unset( $wpsc_cookies[ array_search( $name, $wpsc_cookies ) ] );
wp_cache_setting( 'wpsc_cookies', $wpsc_cookies );
}
return $name;
}
add_action( 'wpsc_delete_cookie', 'wpsc_delete_cookie' );
function wpsc_get_cookies() {
global $wpsc_cookies;
return $wpsc_cookies;
}
function wpsc_get_extra_cookies() {
global $wpsc_cookies;
if (
is_array( $wpsc_cookies ) &&
! empty( $wpsc_cookies )
) {
return '|' . implode( '|', $wpsc_cookies );
} else {
return '';
}
}
function wpsc_update_check() {
global $wpsc_version;
if (
! isset( $wpsc_version ) ||
$wpsc_version != 169
) {
wp_cache_setting( 'wpsc_version', 169 );
global $wp_cache_debug_log, $cache_path;
$log_file = $cache_path . str_replace('/', '', str_replace('..', '', $wp_cache_debug_log));
if ( ! file_exists( $log_file ) ) {
return false;
}
@unlink( $log_file );
wp_cache_debug( 'wpsc_update_check: Deleted old log file on plugin update.' );
}
}
add_action( 'admin_init', 'wpsc_update_check' );
/**
* Renders a partial/template.
*
* The global $current_user is made available for any rendered template.
*
* @param string $partial - Filename under ./partials directory, with or without .php (appended if absent).
* @param array $page_vars - Variables made available for the template.
*/
function wpsc_render_partial( $partial, array $page_vars = array() ) {
if ( substr( $partial, -4 ) !== '.php' ) {
$partial .= '.php';
}
if ( strpos( $partial, 'partials/' ) !== 0 ) {
$partial = 'partials/' . $partial;
}
$path = __DIR__ . '/' . $partial;
if ( ! file_exists( $path ) ) {
return;
}
foreach ( $page_vars as $key => $val ) {
$$key = $val;
}
global $current_user;
include $path;
}