'https://api.w3-edge.com/v1/faq/general', 'Usage' => 'https://api.w3-edge.com/v1/faq/usage', 'Compatibility' => 'https://api.w3-edge.com/v1/faq/compatibility', 'Minification' => 'https://api.w3-edge.com/v1/faq/minification', 'CDN' => 'https://api.w3-edge.com/v1/faq/cdn', 'Browser Cache' => 'https://api.w3-edge.com/v1/faq/browser-cache', 'Errors / Debugging' => 'https://api.w3-edge.com/v1/faq/errors-debugging', 'Requirements' => 'https://api.w3-edge.com/v1/faq/requirements', 'Developers' => 'https://api.w3-edge.com/v1/faq/developers', 'Extensions' => 'https://api.w3-edge.com/v1/faq/extensions', 'Installation' => 'https://api.w3-edge.com/v1/faq/installation', ); } /** * Returns list of questions for section. * * @static * * @see self::sections() * * @param string $section Section. * @return array|null */ public static function parse( string $section ): ?array { $sections = self::sections(); if ( ! isset( $sections[ $section ] ) ) { return null; } $url = $sections[ $section ]; $response = wp_remote_get( $url ); if ( is_wp_error( $response ) ) { return null; } $questions = array(); $regexes = array( '~]*>(.*?).*?]*href="(#[^"]+)"~mi', '~

.*?]*href="/BoldGrid/w3-total-cache/wiki/FAQ([^"]+)"[^>]*>(.*?).*?

~mi', ); foreach ( $regexes as $i => $regex ) { preg_match_all( $regex, $response['body'], $m ); if ( is_array( $m ) && count( $m ) > 1 ) { $c = count( $m[1] ); for ( $n = 0; $n < $c; $n++ ) { if ( 0 === $i ) { // Index 0 has the question first then the URL fragment. $questions[] = array( 'q' => $m[1][ $n ], 'a' => $url . $m[2][ $n ], ); } else { // Index 1 has the URL fragment first then the name. Just use the original URL. $questions[] = array( 'q' => $m[2][ $n ], 'a' => $url, ); } } } } return $questions; } }