関数 do_enclose()
定義ファイル :/blog/wp-includes/functions.php 3
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | /** * Check content for video and audio links to add as enclosures. * * Will not add enclosures that have already been added and will * remove enclosures that are no longer in the post. This is called as * pingbacks and trackbacks. * * @since 1.5.0 * * @see $wpdb * * @param string $content Post Content. * @param int $post_ID Post ID. */ function do_enclose( $content, $post_ID ) { global $wpdb; //TODO: Tidy this ghetto code up and make the debug code optional include_once( ABSPATH . WPINC . '/class-IXR.php' ); $post_links = array(); $pung = get_enclosed( $post_ID ); $post_links_temp = wp_extract_urls( $content ); foreach ( $pung as $link_test ) { if ( ! in_array( $link_test, $post_links_temp ) ) { // link no longer in post $mids = $wpdb->get_col( $wpdb->prepare("SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE %s", $post_ID, $wpdb->esc_like( $link_test ) . '%') ); foreach ( $mids as $mid ) delete_metadata_by_mid( 'post', $mid ); } } foreach ( (array) $post_links_temp as $link_test ) { if ( !in_array( $link_test, $pung ) ) { // If we haven't pung it already $test = @parse_url( $link_test ); if ( false === $test ) continue; if ( isset( $test['query'] ) ) $post_links[] = $link_test; elseif ( isset($test['path']) && ( $test['path'] != '/' ) && ($test['path'] != '' ) ) $post_links[] = $link_test; } } foreach ( (array) $post_links as $url ) { if ( $url != '' && !$wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE %s", $post_ID, $wpdb->esc_like( $url ) . '%' ) ) ) { if ( $headers = wp_get_http_headers( $url) ) { $len = isset( $headers['content-length'] ) ? (int) $headers['content-length'] : 0; $type = isset( $headers['content-type'] ) ? $headers['content-type'] : ''; $allowed_types = array( 'video', 'audio' ); // Check to see if we can figure out the mime type from // the extension $url_parts = @parse_url( $url ); if ( false !== $url_parts ) { $extension = pathinfo( $url_parts['path'], PATHINFO_EXTENSION ); if ( !empty( $extension ) ) { foreach ( wp_get_mime_types() as $exts => $mime ) { if ( preg_match( '!^(' . $exts . ')$!i', $extension ) ) { $type = $mime; break; } } } } if ( in_array( substr( $type, 0, strpos( $type, "/" ) ), $allowed_types ) ) { add_post_meta( $post_ID, 'enclosure', "$url\n$len\n$mime\n" ); } } } } } |