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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 |
|---|---|
| 1053 | public function column_default( $comment, $column_name ) { |
| 1054 | /** |
| 1055 | * Fires when the default column output is displayed for a single row. |
| 1056 | * |
| 1057 | * @since 2.8.0 |
| 1058 | * |
| 1059 | * @param string $column_name The custom column's name. |
| 1060 | * @param int $comment_id The custom column's unique ID number. |
| 1061 | */ |
| 1062 | do_action( 'manage_comments_custom_column', $column_name, $comment->comment_ID ); |
| 1063 | } |
| 1064 | } |
| 1065 | |