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 |
|---|---|
| 6002 | |
| 6003 | /** |
| 6004 | * Filters the updated attachment meta data. |
| 6005 | * |
| 6006 | * @since 2.1.0 |
| 6007 | * |
| 6008 | * @param array $data Array of updated attachment meta data. |
| 6009 | * @param int $attachment_id Attachment post ID. |
| 6010 | */ |
| 6011 | $data = apply_filters( 'wp_update_attachment_metadata', $data, $post->ID ); |
| 6012 | if ( $data ) { |
| 6013 | return update_post_meta( $post->ID, '_wp_attachment_metadata', $data ); |
| 6014 | } else { |
| 6015 | return delete_post_meta( $post->ID, '_wp_attachment_metadata' ); |
| 6016 | } |
| 6017 | } |
| 6018 | |
| 6019 | /** |
| 6020 | * Retrieve the URL for an attachment. |