
什么是Caniuse及如何使用它提升网站
sanitize_trackback_urls ( $to_ping )
sanitize_trackback_urls: 这是一个WordPress的函数,它对回溯URL的列表进行净化。它用于验证和净化URLs,以防止垃圾邮件或恶意攻击: 这个函数需要一个参数,即需要净化的回帖URL列表。
对用于发送trackbacks的空格或回车分隔URL进行Sanitize。
function sanitize_trackback_urls( $to_ping ) { $urls_to_ping = preg_split( '/[rnt ]/', trim( $to_ping ), -1, PREG_SPLIT_NO_EMPTY ); foreach ( $urls_to_ping as $k => $url ) { if ( ! preg_match( '#^https?://.#i', $url ) ) { unset( $urls_to_ping[ $k ] ); } } $urls_to_ping = array_map( 'sanitize_url', $urls_to_ping ); $urls_to_ping = implode( "n", $urls_to_ping ); /** * Filters a list of trackback URLs following sanitization. * * The string returned here consists of a space or carriage return-delimited list * of trackback URLs. * * @since 3.4.0 * * @param string $urls_to_ping Sanitized space or carriage return separated URLs. * @param string $to_ping Space or carriage return separated URLs before sanitization. */ return apply_filters( 'sanitize_trackback_urls', $urls_to_ping, $to_ping ); }