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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 |
|---|---|
| 1014 | * @uses do_action() on 'untrashed_comment' after untrashing |
| 1015 | * |
| 1016 | * @param int $comment_id Comment ID. |
| 1017 | * @return mixed False on failure |
| 1018 | */ |
| 1019 | function wp_untrash_comment($comment_id) { |
| 1020 | if ( ! (int)$comment_id ) |
| 1021 | return false; |
| 1022 | |
| 1023 | do_action('untrash_comment', $comment_id); |
| 1024 | |
| 1025 | $status = (string) get_comment_meta($comment_id, '_wp_trash_meta_status', true); |
| 1026 | if ( empty($status) ) |
| 1027 | $status = '0'; |
| 1028 | |
| 1029 | if ( wp_set_comment_status($comment_id, $status) ) { |
| 1030 | delete_comment_meta($comment_id, '_wp_trash_meta_time'); |
| 1031 | delete_comment_meta($comment_id, '_wp_trash_meta_status'); |
| 1032 | do_action('untrashed_comment', $comment_id); |