WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
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 |
|---|---|
| 4762 | |
| 4763 | /** |
| 4764 | * Filter the updated attachment meta data. |
| 4765 | * |
| 4766 | * @since 2.1.0 |
| 4767 | * |
| 4768 | * @param array $data Array of updated attachment meta data. |
| 4769 | * @param int $post_id Attachment ID. |
| 4770 | */ |
| 4771 | if ( $data = apply_filters( 'wp_update_attachment_metadata', $data, $post->ID ) ) |
| 4772 | return update_post_meta( $post->ID, '_wp_attachment_metadata', $data ); |
| 4773 | else |
| 4774 | return delete_post_meta( $post->ID, '_wp_attachment_metadata' ); |
| 4775 | } |
| 4776 | |
| 4777 | /** |
| 4778 | * Retrieve the URL for an attachment. |
| 4779 | * |
| 4780 | * @since 2.1.0 |