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do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 5499 | * Use the === operator for testing the post ID when developing filters using |
| 5500 | * this hook. |
| 5501 | * |
| 5502 | * @since 6.7.0 |
| 5503 | * |
| 5504 | * @param int|null $post_id The result of the post ID lookup. Null to indicate |
| 5505 | * no lookup has been attempted. Default null. |
| 5506 | * @param string $url The URL being looked up. |
| 5507 | */ |
| 5508 | $post_id = apply_filters( 'pre_attachment_url_to_postid', null, $url ); |
| 5509 | if ( null !== $post_id ) { |
| 5510 | return (int) $post_id; |
| 5511 | } |
| 5512 | |
| 5513 | $dir = wp_get_upload_dir(); |
| 5514 | $path = $url; |
| 5515 | |
| 5516 | $site_url = parse_url( $dir['url'] ); |
| 5517 | $image_path = parse_url( $path ); |