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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 |
---|---|
555 | function the_weekday_date($before='',$after='') { |
556 | global $weekday, $id, $post, $day, $previousweekday; |
557 | $the_weekday_date = ''; |
558 | if ($day != $previousweekday) { |
559 | $the_weekday_date .= $before; |
560 | $the_weekday_date .= $weekday[mysql2date('w', $post->post_date)]; |
561 | $the_weekday_date .= $after; |
562 | $previousweekday = $day; |
563 | } |
564 | $the_weekday_date = apply_filters('the_weekday_date', $the_weekday_date); |
565 | echo $the_weekday_date; |
566 | } |
567 |
|
568 | ?> |