Inventory_Presser_Plugin::change_attachment_urls( string $url, int $post_id = null )
Adds a querystring to vehicle attachment photo URLs to fight caching.
Contents
Parameters Parameters
- $url
-
(string) (Required)
- $post_id
-
(int) (Optional)
Default value: null
Return Return
(string) The changed URL
Source Source
File: inventory-presser.php
public function change_attachment_urls( $url, $post_id = null ) { if ( empty( $post_id ) ) { $post_id = attachment_url_to_postid( $url ); } if ( INVP::POST_TYPE !== get_post_type( wp_get_post_parent_id( $post_id ) ) ) { return $url; } // Is the URL pointing to a file with an image mime type? $file = get_attached_file( $post_id ); if ( false === $file ) { return $url; } $mime_type = wp_get_image_mime( $file ); if ( false === $mime_type || ( 5 <= strlen( $mime_type ) && 'image' !== substr( $mime_type, 0, 5 ) ) ) { return $url; } // Add a querystring that contains this photo's hash. $hash = INVP::get_meta( 'hash', $post_id ); if ( empty( $hash ) ) { return $url; } $parsed = wp_parse_url( $url ); return $url . ( empty( $parsed['query'] ) ? '?' : '&' ) . $hash; }
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