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Source View: enclosure_links

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Line Code
908       *
909       * Allows for the addition and/or removal of potential enclosures to save
910       * to postmeta before checking the database for existing enclosures.
911       *
912       * @since 4.4.0
913       *
914       * @param string[] $post_links An array of enclosure links.
915       * @param int      $post_ID    Post ID.
916       */
917      $post_links = apply_filters( 'enclosure_links', $post_links, $post->ID );
918
919      foreach ( (array) $post_links as $url ) {
920           $url = strip_fragment_from_url( $url );
921
922           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 ) . '%' ) ) ) {
923
924                $headers = wp_get_http_headers( $url );
925                if ( $headers ) {
926                     $len           = isset( $headers['content-length'] ) ? (int) $headers['content-length'] : 0;