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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 |
|---|---|
| 752 | * @since 4.7.0 The `$avoid_die` parameter was added. |
| 753 | * @since 5.5.0 The `$avoid_die` parameter was renamed to `$wp_error`. |
| 754 | * |
| 755 | * @param string $comment_author_IP Comment author's IP address. |
| 756 | * @param string $comment_author_email Comment author's email. |
| 757 | * @param string $comment_date_gmt GMT date the comment was posted. |
| 758 | * @param bool $wp_error Whether to return a WP_Error object instead of executing |
| 759 | * wp_die() or die() if a comment flood is occurring. |
| 760 | */ |
| 761 | do_action( |
| 762 | 'check_comment_flood', |
| 763 | $commentdata['comment_author_IP'], |
| 764 | $commentdata['comment_author_email'], |
| 765 | $commentdata['comment_date_gmt'], |
| 766 | $wp_error |
| 767 | ); |
| 768 | |
| 769 | /** |
| 770 | * Filters whether a comment is part of a comment flood. |