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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 |
|---|---|
| 1807 | * - `comment_approved_to_unapproved` |
| 1808 | * - `comment_spam_to_unapproved` |
| 1809 | * - `comment_unapproved_to_spam` |
| 1810 | * - `comment_approved_to_spam` |
| 1811 | * |
| 1812 | * @since 2.7.0 |
| 1813 | * |
| 1814 | * @param WP_Comment $comment Comment object. |
| 1815 | */ |
| 1816 | do_action( "comment_{$old_status}_to_{$new_status}", $comment ); |
| 1817 | } |
| 1818 | /** |
| 1819 | * Fires when the status of a specific comment type is in transition. |
| 1820 | * |
| 1821 | * The dynamic portions of the hook name, `$new_status`, and `$comment->comment_type`, |
| 1822 | * refer to the new comment status, and the type of comment, respectively. |
| 1823 | * |
| 1824 | * Typical comment types include 'comment', 'pingback', or 'trackback'. |
| 1825 | * |