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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 |
---|---|
552 | function column_default( $comment, $column_name ) { |
553 | /** |
554 | * Fires when the default column output is displayed for a single row. |
555 | * |
556 | * @since 2.8.0 |
557 | * |
558 | * @param string $column_name The custom column's name. |
559 | * @param int $comment->comment_ID The custom column's unique ID number. |
560 | */ |
561 | do_action( 'manage_comments_custom_column', $column_name, $comment->comment_ID ); |
562 | } |
563 | } |
564 |
|
565 | /** |
566 | * Post Comments List Table class. |
567 | * |
568 | * @package WordPress |
569 | * @subpackage List_Table |
570 | * @since 3.1.0 |