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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 |
|---|---|
| 2493 | * Filters the date a post was published for display. |
| 2494 | * |
| 2495 | * @since 0.71 |
| 2496 | * |
| 2497 | * @param string $the_date The formatted date string. |
| 2498 | * @param string $format PHP date format. |
| 2499 | * @param string $before HTML output before the date. |
| 2500 | * @param string $after HTML output after the date. |
| 2501 | */ |
| 2502 | $the_date = apply_filters( 'the_date', $the_date, $format, $before, $after ); |
| 2503 | |
| 2504 | if ( $echo ) { |
| 2505 | echo $the_date; |
| 2506 | } else { |
| 2507 | return $the_date; |
| 2508 | } |
| 2509 | } |
| 2510 | |
| 2511 | /** |