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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 |
|---|---|
| 559 | /** |
| 560 | * Filters the returned comment date. |
| 561 | * |
| 562 | * @since 1.5.0 |
| 563 | * |
| 564 | * @param string|int $date Formatted date string or Unix timestamp. |
| 565 | * @param string $format PHP date format. |
| 566 | * @param WP_Comment $comment The comment object. |
| 567 | */ |
| 568 | return apply_filters( 'get_comment_date', $date, $format, $comment ); |
| 569 | } |
| 570 | |
| 571 | /** |
| 572 | * Displays the comment date of the current comment. |
| 573 | * |
| 574 | * @since 0.71 |
| 575 | * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object. |
| 576 | * |
| 577 | * @param string $format Optional. PHP date format. Defaults to the 'date_format' option. |