plugin_url = plugins_url( '/', __FILE__ ); $this->plugin_path = plugin_dir_path( __FILE__ ); $this->load_language( 'fancy-excerpt' ); add_action( 'plugins_loaded', array ( $this, 'init' ) ); } /** * init() * * @return void **/ function init() { // more stuff: register actions and filters remove_filter('get_the_excerpt', 'wp_trim_excerpt'); add_filter('get_the_excerpt', array($this, 'trim_excerpt'), 1); } /** * trim_excerpt() * * @param string $text * @return string $text **/ function trim_excerpt($text) { $text = trim($text); if ( $text || !in_the_loop() ) return wp_trim_excerpt($text); $more = sprintf(__('Read more on %s...', 'fancy-excerpt'), get_the_title()); $text = get_the_content($more); $text = str_replace(array("\r\n", "\r"), "\n", $text); #dump(esc_html($text)); if ( !preg_match("|" . preg_quote($more, '|') . "$|", $text) && count(preg_split("~\s+~", trim(strip_tags($text)))) > 30 ) { global $escape_fancy_excerpt; $escape_fancy_excerpt = array(); $text = fancy_excerpt::escape($text); $bits = preg_split("/(<(?:h[1-6]|p|ul|ol|li|dl|dd|table|tr|pre|blockquote)\b[^>]*>|\n{2,})/i", $text, null, PREG_SPLIT_DELIM_CAPTURE); $text = ''; $count = 0; foreach ( $bits as $bit ) { $text .= $bit; $bit_count = trim(strip_tags($bit)); if ( $bit_count === '' ) continue; $count += count(preg_split("~\s+~", $bit_count)); if ( $count > 30 ) break; } $text = fancy_excerpt::unescape($text); $text = force_balance_tags($text); $text .= "\n\n" . '

' . apply_filters( 'the_content_more_link', '' . $more . '', $more ) . '

' . "\n"; } // add hack for ShareThis. It hooks both excerpt and context hooks and generates double row entries. There is // its own hack to fix this but it's code gets called after our filter. They should have an option to exclude // from exceprts like Digg Digg. if ( function_exists('st_add_widget')) remove_action('the_content', 'st_add_widget'); $text = apply_filters('the_content', $text); return apply_filters('wp_trim_excerpt', $text, ''); } # trim_excerpt() /** * escape() * * @param string $text * @return string $text **/ function escape($text) { global $escape_fancy_excerpt; if ( !isset($escape_fancy_excerpt) ) $escape_fancy_excerpt = array(); foreach ( array( 'blocks' => "/ <\s*(script|style|object|textarea)(?:\s.*?)?> .*? <\s*\/\s*\\1\s*> /isx", ) as $regex ) { $text = preg_replace_callback($regex, array($this, 'escape_callback'), $text); } return $text; } # escape() /** * escape_callback() * * @param array $match * @return string $text **/ function escape_callback($match) { global $escape_fancy_excerpt; $tag_id = "----escape_fancy_excerpt:" . md5($match[0]) . "----"; $escape_fancy_excerpt[$tag_id] = $match[0]; return $tag_id; } # escape_callback() /** * unescape() * * @param string $text * @return string $text **/ function unescape($text) { global $escape_fancy_excerpt; if ( !$escape_fancy_excerpt ) return $text; $unescape = array_reverse($escape_fancy_excerpt); return str_replace(array_keys($unescape), array_values($unescape), $text); } # unescape() } # fancy_excerpt $fancy_excerpt = fancy_excerpt::get_instance();