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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 |
|---|---|
| 1013 | * @return mixed False on failure |
| 1014 | */ |
| 1015 | function wp_trash_comment($comment_id) { |
| 1016 | if ( !EMPTY_TRASH_DAYS ) |
| 1017 | return wp_delete_comment($comment_id, true); |
| 1018 | |
| 1019 | if ( !$comment = get_comment($comment_id) ) |
| 1020 | return false; |
| 1021 | |
| 1022 | do_action('trash_comment', $comment_id); |
| 1023 | |
| 1024 | if ( wp_set_comment_status($comment_id, 'trash') ) { |
| 1025 | add_comment_meta($comment_id, '_wp_trash_meta_status', $comment->comment_approved); |
| 1026 | add_comment_meta($comment_id, '_wp_trash_meta_time', time() ); |
| 1027 | do_action('trashed_comment', $comment_id); |
| 1028 | return true; |
| 1029 | } |
| 1030 | |
| 1031 | return false; |