*/
class ServerInfo {
/**
* SERVER CPU LOAD
* Get the server CPU load in percentage.
*/
public function get_server_cpu_load_percentage() {
$result = -1;
$lines = null;
$os = '';
if ( defined( 'PHP_OS' ) ) {
$os = PHP_OS;
}
// Linux server
if ( $os == 'Linux' ) {
$checks = [];
foreach ( [ 0, 1 ] as $i ) {
$cmd = '/proc/stat';
$lines = [];
$fh = fopen( $cmd, 'r' );
if ($fh) {
while ( $line = fgets( $fh ) ) {
$lines[] = $line;
}
fclose( $fh );
}
foreach ( $lines as $line ) {
$ma = [];
if ( ! preg_match( '/^cpu (\d+) (\d+) (\d+) (\d+) (\d+) (\d+) (\d+) (\d+) (\d+) (\d+)$/', $line, $ma ) ) {
continue;
}
$total = $ma[1] + $ma[2] + $ma[3] + $ma[4] + $ma[5] + $ma[6] + $ma[7] + $ma[8] + $ma[9];
// $totalCpu = $ma[1] + $ma[2] + $ma[3];
// $result = (100 / $total) * $totalCpu;
$ma['total'] = $total;
$checks[] = $ma;
break;
}
if ( $i == 0 ) {
// Wait before checking again.
sleep( 1 );
}
}
// Idle - prev idle
$diffIdle = $checks[1][4] - $checks[0][4];
// Total - prev total
$diffTotal = $checks[1]['total'] - $checks[0]['total'];
// Usage in %
$diffUsage = round( ( 1000 * ( $diffTotal - $diffIdle ) / $diffTotal + 5 ) / 10, 2 );
$result = $diffUsage;
return (float) $result;
}
return 'N/A';
}
/**
* Convert Memory Size
*
* @param [type] $size
*
* @return void
*/
public function convert_memory_size( $size ) {
$l = substr( $size, -1 );
$ret = substr( $size, 0, -1 );
switch ( strtoupper( $l ) ) {
case 'P':
$ret *= 1024;
case 'T':
$ret *= 1024;
case 'G':
$ret *= 1024;
case 'M':
$ret *= 1024;
case 'K':
$ret *= 1024;
}
return $ret;
}
/**
* Get Server/WP Memory Limit
*/
public function get_wp_memory_limit() {
$memory_limit = (int) @ini_get( 'memory_limit' ) . ' MB' . ' (' . (int) WP_MEMORY_LIMIT . ' MB)';
if ( @ini_get( 'memory_limit' ) == '-1' ) {
$memory_limit = '-1 / ' . esc_html__( 'Unlimited', 'adminify' ) . ' (' . (int) WP_MEMORY_LIMIT . ' MB)';
}
if ( (int) WP_MEMORY_LIMIT < (int) @ini_get( 'memory_limit' ) && WP_MEMORY_LIMIT != '-1' || (int) WP_MEMORY_LIMIT < (int) @ini_get( 'memory_limit' ) && @ini_get( 'memory_limit' ) != '-1' ) {
$memory_limit .= ' ' . sprintf( __( 'The WP PHP Memory Limit is less than the %s Server PHP Memory Limit', 'adminify' ), (int) @ini_get( 'memory_limit' ) . ' MB' ) . '!';
}
return $memory_limit;
}
/**
* Get PHP Version
*/
public function get_php_version() {
$php_version = 'N/A';
if ( function_exists( 'phpversion' ) ) {
$php_version = phpversion();
}
if ( defined( 'PHP_VERSION' ) ) {
$php_version = PHP_VERSION;
}
if ( $php_version != 'N/A' && version_compare( $php_version, '7.3', '<' ) ) {
$php_version = ' ' . sprintf( __( '%1$s - Recommend PHP version of 7.3. See: %2$s', 'adminify' ), esc_html( $php_version ), '' . __( 'WordPress Requirements', 'adminify' ) . '' ) . '';
}
return $php_version;
}
/**
* Get PHP Version Only
* */
public function get_php_version_lite() {
$php_version = 'N/A';
if ( function_exists( 'phpversion' ) ) {
$php_version = phpversion();
}
if ( defined( 'PHP_VERSION' ) ) {
$php_version = PHP_VERSION;
}
return $php_version;
}
/**
* Get Curl Version
*
* @return void
*/
public function get_cURL_version() {
$curl_version = 'N/A';
if ( function_exists( 'curl_version' ) ) {
$curl_version = curl_version();
$curl_version = $curl_version['version'] . ', ' . $curl_version['ssl_version'];
}
return $curl_version;
}
/**
* Get MySQL Version
*
* @return void
*/
public function get_mysql_version() {
global $wpdb;
// Short Version
// $db_version = $wpdb->db_server_info();
$db_version_dump = $wpdb->get_var( 'SELECT VERSION() AS version from DUAL' );
if ( preg_match( '/\d+(?:\.\d+)+/', $db_version_dump, $matches ) ) {
$db_version = $matches[0]; // returning the first match
} else {
$db_version = __( 'N/A', 'adminify' );
}
return $db_version;
}
/**
* Get Get Database Software Name
*
* @return void
*/
public function get_db_software() {
global $wpdb;
$db_software_query = $wpdb->get_row( "SHOW VARIABLES LIKE 'version_comment'" );
$db_software_dump = $db_software_query->Value;
if ( ! empty( $db_software_dump ) ) {
$db_soft_array = explode( ' ', trim( $db_software_dump ) );
$db_software = $db_soft_array[0];
} else {
$db_software = __( 'N/A', 'adminify' );
}
return $db_software;
}
/**
* Get WP Table Prefix
*/
public function get_table_prefix() {
global $wpdb;
$prefix = [
'tablePrefix' => $wpdb->prefix,
'tableBasePrefix' => $wpdb->base_prefix,
];
return $prefix;
}
/**
* Get WP Timezone
*/
public function get_wp_timezone() {
$timezone = get_option( 'timezone_string' ); // Direct value
// Create a UTC+- zone if no timezone string exists
if ( empty( $timezone ) ) {
// Current offset
$current_offset = get_option( 'gmt_offset' );
// Plus offset
$timezone = 'UTC+' . $current_offset;
// No offset
if ( 0 == $current_offset ) {
$timezone = 'UTC+0';
// Negative offset
} elseif ( $current_offset < 0 ) {
$timezone = 'UTC' . $current_offset;
}
// Normalize
$timezone = str_replace( [ '.25', '.5', '.75' ], [ ':15', ':30', ':45' ], $timezone );
}
return $timezone;
}
/**
* Get Server/WP Total RAM
*
* @return void
*/
public function get_server_total_ram() {
$os = '';
if ( defined( 'PHP_OS' ) ) {
$os = PHP_OS;
}
$result = 0;
// Linux server
if ( $os == 'Linux' ) {
$fh = fopen( '/proc/meminfo', 'r' );
if ($fh) {
while ( $line = fgets( $fh ) ) {
$pieces = [];
if ( preg_match( '/^MemTotal:\s+(\d+)\skB$/', $line, $pieces ) ) {
$result = $pieces[1];
// KB to Bytes
$result = round( $result / 1024 / 1024, 2 );
break;
}
}
fclose( $fh );
return $result;
}
}
return 'N/A';
}
/**
* Get Server/WP Free RAM
*/
public function get_server_free_ram() {
$os = '';
if ( defined( 'PHP_OS' ) ) {
$os = PHP_OS;
}
$result = 0;
// Linux server
if ( $os == 'Linux' ) {
$fh = fopen( '/proc/meminfo', 'r' );
if ($fh) {
while ( $line = fgets( $fh ) ) {
$pieces = [];
if ( preg_match( '/^MemFree:\s+(\d+)\skB$/', $line, $pieces ) ) {
// KB to Bytes
$result = round( $pieces[1] / 1024 / 1024, 2 );
break;
}
}
fclose( $fh );
return $result;
}
}
return 'N/A';
}
/**
* Get Server/WP RAM Details
*
* @return void
*/
public function get_server_ram_details() {
$os = '';
if ( defined( 'PHP_OS' ) ) {
$os = PHP_OS;
}
$ram_data = '';
if ( $os == 'Linux' ) {
foreach ( file( '/proc/meminfo' ) as $ri ) {
$m[ strtok( $ri, ':' ) ] = strtok( '' );
}
$ram_total = round( (int) $m['MemTotal'] / 1024 / 1024, 2 );
$ram_available = round( (int) $m['MemAvailable'] / 1024 / 1024, 2 );
$ram_free = round( (int) $m['MemFree'] / 1024 / 1024, 2 );
$ram_buffers = round( (int) $m['Buffers'] / 1024 / 1024, 2 );
$ram_cached = round( (int) $m['Cached'] / 1024 / 1024, 2 );
$mem_kernel_app = round( ( 100 - ( $ram_buffers + $ram_cached + $ram_free ) / $ram_total * 100 ), 2 );
$mem_cached = round( $ram_cached / $ram_total * 100, 2 );
$mem_buffers = round( $ram_buffers / $ram_total * 100, 2 );
$ram_data = [
'MemTotal' => $ram_total,
'MemAvailable' => $ram_available,
'MemFree' => $ram_free,
'Buffers' => $ram_buffers,
'Cached' => $ram_cached,
'MemUsagePercentage' => round( $mem_kernel_app + $mem_buffers + $mem_cached, 2 ), // Physical Memory
];
return $ram_data;
}
return 'N/A';
}
/**
* Get Real Server Memory Usage
*/
public function get_real_memory_usage() {
$real_memory_usage = function_exists( 'memory_get_peak_usage' ) ? round( memory_get_peak_usage( true ) ) : 0;
if ( $real_memory_usage ) {
return $real_memory_usage;
}
return 'N/A';
}
/**
* WP Memory Usage
*/
public function get_wp_memory_usage() {
// Get WP Memory Limit
$get_memory_limit = WP_MEMORY_LIMIT;
if ( (int) WP_MEMORY_LIMIT > (int) @ini_get( 'memory_limit' ) ) {
// WP Limit can't be greater than Server Limiit
$get_memory_limit = @ini_get( 'memory_limit' );
}
$memory_limit_convert = $this->convert_memory_size( $get_memory_limit );
$memory_limit_format = size_format( $memory_limit_convert );
$memory_limit = $memory_limit_convert;
// Get Real Memory Usage
$get_memory_usage = $this->get_real_memory_usage();
$memory_usage_convert = round( $get_memory_usage / 1024 / 1024 );
$memory_usage_format = $memory_usage_convert . 'MB';
$memory_usage = $get_memory_usage;
if ( $get_memory_usage != false && $get_memory_limit != false ) {
// check memory limit is a numeric value
if ( ! is_numeric( $memory_limit ) ) {
$memory_limit = 999;
}
$wp_mem_data = [
'MemLimit' => $memory_limit,
'MemLimitGet' => $get_memory_limit,
'MemLimitConvert' => $memory_limit_convert,
'MemLimitFormat' => $memory_limit_format,
'MemUsage' => $memory_usage,
'MemUsageGet' => $get_memory_usage,
'MemUsageConvert' => $memory_usage_convert,
'MemUsageFormat' => $memory_usage_format,
'MemUsageCalc' => round( $memory_usage / $memory_limit * 100, 0 ),
];
return $wp_mem_data;
}
return 'N/A';
}
/**
* Server Memory Usage
*/
public function get_server_memory_usage() {
// Get Server Memory Limit
$get_memory_limit = @ini_get( 'memory_limit' );
$memory_limit_convert = $this->convert_memory_size( $get_memory_limit );
$memory_limit_format = size_format( $memory_limit_convert );
$memory_limit = $memory_limit_convert;
// Get Real Memory Usage
$get_memory_usage = $this->get_real_memory_usage();
$memory_usage_convert = round( $get_memory_usage / 1024 / 1024 );
$memory_usage_format = $memory_usage_convert . ' MB';
$memory_usage = $get_memory_usage;
if ( $get_memory_usage != false && $get_memory_limit != false ) {
// check memory limit is a numeric value
if ( ! is_numeric( $memory_limit ) ) {
$memory_limit = 999;
}
$php_mem_data = [
'MemLimit' => $memory_limit,
'MemLimitGet' => $get_memory_limit,
'MemLimitConvert' => $memory_limit_convert,
'MemLimitFormat' => $memory_limit_format,
'MemUsage' => $memory_usage,
'MemUsageGet' => $get_memory_usage,
'MemUsageConvert' => $memory_usage_convert,
'MemUsageFormat' => $memory_usage_format,
'MemUsageCalc' => round( $memory_usage / $memory_limit * 100, 0 ),
];
return $php_mem_data;
}
return 'N/A';
}
public static function wp_memory_usage_percentage() {
$memory_usage = ( new ServerInfo() )->get_wp_memory_usage();
$memory_usage_percentage = $memory_usage['MemUsageCalc'];
return $memory_usage_percentage;
}
/**
* Get Server Disk Size
*/
public function get_server_disk_size( $path = '/' ) {
$os = '';
if ( defined( 'PHP_OS' ) ) {
$os = PHP_OS;
}
// Linux server
if ( $os == 'Linux' ) {
$result = [];
$result['size'] = 0;
$result['free'] = 0;
$result['used'] = 0;
$lines = null;
exec( sprintf( 'df /P %s', $path ), $lines );
foreach ( $lines as $index => $line ) {
if ( $index != 1 ) {
continue;
}
$values = preg_split( '/\s{1,}/', $line );
$result['size'] = round( $values[1] / 1024 / 1024, 2 );
$result['free'] = round( $values[3] / 1024 / 1024, 2 );
$result['used'] = round( $values[2] / 1024 / 1024, 2 );
$result['usage'] = round( $result['used'] / $result['size'] * 100, 2 );
break;
}
return $result;
}
return 'N/A';
}
/**
* CPU Load Average
*
* @return void
*/
public function get_cpu_load_average() {
$load = 'N/A';
// Check via PHP function
$avg = function_exists( 'sys_getloadavg' ) ? sys_getloadavg() : false;
if ( ! empty( $avg ) && is_array( $avg ) && 3 == count( $avg ) ) {
$load = implode( ', ', $avg );
}
return $load;
}
/**
* Get IP Address
*
* @return void
*/
public function get_ip_address() {
// Get ip address
$ip_address = isset( $_SERVER['SERVER_ADDR'] ) ? sanitize_text_field( wp_unslash( $_SERVER['SERVER_ADDR'] ) ) : '';
if ( ! $ip_address ) {
$ip_address = isset( $_SERVER['LOCAL_ADDR'] ) ? sanitize_text_field( wp_unslash( $_SERVER['LOCAL_ADDR'] ) ) : '';
}
return $ip_address;
}
/**
* Get WordPress Version
*
* @return void
*/
public function get_wp_version() {
global $wp_version;
return $wp_version;
}
public function check_limit() {
$memory_limit = ini_get( 'memory_limit' );
if ( preg_match( '/^(\d+)(.)$/', $memory_limit, $matches ) ) {
if ( $matches[2] == 'G' ) {
$memory_limit = $matches[1] . ' ' . 'GB'; // nnnG -> nnn GB
} elseif ( $matches[2] == 'M' ) {
$memory_limit = $matches[1] . ' ' . 'MB'; // nnnM -> nnn MB
} elseif ( $matches[2] == 'K' ) {
$memory_limit = $matches[1] . ' ' . 'KB'; // nnnK -> nnn KB
} elseif ( $matches[2] == 'T' ) {
$memory_limit = $matches[1] . ' ' . 'TB'; // nnnT -> nnn TB
} elseif ( $matches[2] == 'P' ) {
$memory_limit = $matches[1] . ' ' . 'PB'; // nnnP -> nnn PB
}
}
return $memory_limit;
}
public function format_filesize( $bytes ) {
if ( ( $bytes / pow( 1024, 5 ) ) > 1 ) {
return number_format_i18n( ( $bytes / pow( 1024, 5 ) ), 0 ) . ' ' . __( 'PB', 'adminify' );
} elseif ( ( $bytes / pow( 1024, 4 ) ) > 1 ) {
return number_format_i18n( ( $bytes / pow( 1024, 4 ) ), 0 ) . ' ' . __( 'TB', 'adminify' );
} elseif ( ( $bytes / pow( 1024, 3 ) ) > 1 ) {
return number_format_i18n( ( $bytes / pow( 1024, 3 ) ), 0 ) . ' ' . __( 'GB', 'adminify' );
} elseif ( ( $bytes / pow( 1024, 2 ) ) > 1 ) {
return number_format_i18n( ( $bytes / pow( 1024, 2 ) ), 0 ) . ' ' . __( 'MB', 'adminify' );
} elseif ( $bytes / 1024 > 1 ) {
return number_format_i18n( $bytes / 1024, 0 ) . ' ' . __( 'KB', 'adminify' );
} elseif ( $bytes >= 0 ) {
return number_format_i18n( $bytes, 0 ) . ' ' . __( 'bytes', 'adminify' );
} else {
return __( 'Unknown', 'adminify' );
}
}
public function format_filesize_kB( $kiloBytes ) {
if ( ( $kiloBytes / pow( 1024, 4 ) ) > 1 ) {
return number_format_i18n( ( $kiloBytes / pow( 1024, 4 ) ), 0 ) . ' ' . __( 'PB', 'adminify' );
} elseif ( ( $kiloBytes / pow( 1024, 3 ) ) > 1 ) {
return number_format_i18n( ( $kiloBytes / pow( 1024, 3 ) ), 0 ) . ' ' . __( 'TB', 'adminify' );
} elseif ( ( $kiloBytes / pow( 1024, 2 ) ) > 1 ) {
return number_format_i18n( ( $kiloBytes / pow( 1024, 2 ) ), 0 ) . ' ' . __( 'GB', 'adminify' );
} elseif ( ( $kiloBytes / 1024 ) > 1 ) {
return number_format_i18n( $kiloBytes / 1024, 0 ) . ' ' . __( 'MB', 'adminify' );
} elseif ( $kiloBytes >= 0 ) {
return number_format_i18n( $kiloBytes / 1, 0 ) . ' ' . __( 'KB', 'adminify' );
} else {
return __( 'Unknown', 'adminify' );
}
}
public function format_php_size( $size ) {
if ( ! is_numeric( $size ) ) {
if ( strpos( $size, 'M' ) !== false ) {
$size = intval( $size ) * 1024 * 1024;
} elseif ( strpos( $size, 'K' ) !== false ) {
$size = intval( $size ) * 1024;
} elseif ( strpos( $size, 'G' ) !== false ) {
$size = intval( $size ) * 1024 * 1024 * 1024;
}
}
return is_numeric( $size ) ? $this->format_filesize( $size ) : $size;
}
}