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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 |
|---|---|
| 79 | function wp_delete_link( $link_id ) { |
| 80 | global $wpdb; |
| 81 | |
| 82 | do_action( 'delete_link', $link_id ); |
| 83 | |
| 84 | wp_delete_object_term_relationships( $link_id, 'link_category' ); |
| 85 | |
| 86 | $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->links WHERE link_id = %d", $link_id ) ); |
| 87 | |
| 88 | do_action( 'deleted_link', $link_id ); |
| 89 | |
| 90 | clean_bookmark_cache( $link_id ); |
| 91 | |
| 92 | return true; |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * Retrieves the link categories associated with the link specified. |
| 97 | * |