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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 |
|---|---|
| 688 | $time = mysql2date($d, $time); |
| 689 | |
| 690 | return apply_filters('get_the_modified_time', $time, $d, $gmt); |
| 691 | } |
| 692 | |
| 693 | |
| 694 | function the_weekday() { |
| 695 | global $weekday, $id, $post; |
| 696 | $the_weekday = $weekday[mysql2date('w', $post->post_date)]; |
| 697 | $the_weekday = apply_filters('the_weekday', $the_weekday); |
| 698 | echo $the_weekday; |
| 699 | } |
| 700 | |
| 701 | |
| 702 | function the_weekday_date($before='',$after='') { |
| 703 | global $weekday, $id, $post, $day, $previousweekday; |
| 704 | $the_weekday_date = ''; |
| 705 | if ( $day != $previousweekday ) { |
| 706 | $the_weekday_date .= $before; |