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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 |
|---|---|
| 988 | * @return mixed False on failure |
| 989 | */ |
| 990 | function wp_trash_comment($comment_id) { |
| 991 | if ( !EMPTY_TRASH_DAYS ) |
| 992 | return wp_delete_comment($comment_id, true); |
| 993 | |
| 994 | if ( !$comment = get_comment($comment_id) ) |
| 995 | return false; |
| 996 | |
| 997 | do_action('trash_comment', $comment_id); |
| 998 | |
| 999 | if ( wp_set_comment_status($comment_id, 'trash') ) { |
| 1000 | add_comment_meta($comment_id, '_wp_trash_meta_status', $comment->comment_approved); |
| 1001 | add_comment_meta($comment_id, '_wp_trash_meta_time', time() ); |
| 1002 | do_action('trashed_comment', $comment_id); |
| 1003 | return true; |
| 1004 | } |
| 1005 | |
| 1006 | return false; |