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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 |
|---|---|
| 2588 | /** |
| 2589 | * Filters the localized date on which the post was written, for display. |
| 2590 | * |
| 2591 | * @since 0.71 |
| 2592 | * |
| 2593 | * @param string $the_weekday_date |
| 2594 | * @param string $before The HTML to output before the date. |
| 2595 | * @param string $after The HTML to output after the date. |
| 2596 | */ |
| 2597 | $the_weekday_date = apply_filters( 'the_weekday_date', $the_weekday_date, $before, $after ); |
| 2598 | echo $the_weekday_date; |
| 2599 | } |
| 2600 | |
| 2601 | /** |
| 2602 | * Fire the wp_head action. |
| 2603 | * |
| 2604 | * See {@see 'wp_head'}. |
| 2605 | * |
| 2606 | * @since 1.2.0 |