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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 |
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810 |
|
811 | /** |
812 | * Filter a comment's approval status before it is set. |
813 | * |
814 | * @since 2.1.0 |
815 | * |
816 | * @param bool|string $approved The approval status. Accepts 1, 0, or 'spam'. |
817 | * @param array $commentdata Comment data. |
818 | */ |
819 | $approved = apply_filters( 'pre_comment_approved', $approved, $commentdata ); |
820 | return $approved; |
821 | } |
822 |
|
823 | /** |
824 | * Check whether comment flooding is occurring. |
825 | * |
826 | * Won't run, if current user can manage options, so to not block |
827 | * administrators. |
828 | * |