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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 |
---|---|
661 | /** |
662 | * Filters the returned comment ID. |
663 | * |
664 | * @since 1.5.0 |
665 | * @since 4.1.0 The `$comment_ID` parameter was added. |
666 | * |
667 | * @param int $comment_ID The current comment ID. |
668 | * @param WP_Comment $comment The comment object. |
669 | */ |
670 | return apply_filters( 'get_comment_ID', $comment->comment_ID, $comment ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase |
671 | } |
672 |
|
673 | /** |
674 | * Display the comment id of the current comment. |
675 | * |
676 | * @since 0.71 |
677 | */ |
678 | function comment_ID() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid |
679 | echo get_comment_ID(); |