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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 |
|---|---|
| 1590 | * Display the weekday on which the post was written. |
| 1591 | * |
| 1592 | * @since 0.71 |
| 1593 | * @uses $wp_locale |
| 1594 | * @uses $post |
| 1595 | */ |
| 1596 | function the_weekday() { |
| 1597 | global $wp_locale; |
| 1598 | $the_weekday = $wp_locale->get_weekday( mysql2date( 'w', get_post()->post_date, false ) ); |
| 1599 | $the_weekday = apply_filters('the_weekday', $the_weekday); |
| 1600 | echo $the_weekday; |
| 1601 | } |
| 1602 | |
| 1603 | /** |
| 1604 | * Display the weekday on which the post was written. |
| 1605 | * |
| 1606 | * Will only output the weekday if the current post's weekday is different from |
| 1607 | * the previous one output. |
| 1608 | * |