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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 |
|---|---|
| 1563 | * Display the weekday on which the post was written. |
| 1564 | * |
| 1565 | * @since 0.71 |
| 1566 | * @uses $wp_locale |
| 1567 | * @uses $post |
| 1568 | */ |
| 1569 | function the_weekday() { |
| 1570 | global $wp_locale; |
| 1571 | $the_weekday = $wp_locale->get_weekday( mysql2date( 'w', get_post()->post_date, false ) ); |
| 1572 | $the_weekday = apply_filters('the_weekday', $the_weekday); |
| 1573 | echo $the_weekday; |
| 1574 | } |
| 1575 | |
| 1576 | /** |
| 1577 | * Display the weekday on which the post was written. |
| 1578 | * |
| 1579 | * Will only output the weekday if the current post's weekday is different from |
| 1580 | * the previous one output. |
| 1581 | * |