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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 |
|---|---|
| 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; |
| 707 | $the_weekday_date .= $weekday[mysql2date('w', $post->post_date)]; |
| 708 | $the_weekday_date .= $after; |
| 709 | $previousweekday = $day; |
| 710 | } |
| 711 | $the_weekday_date = apply_filters('the_weekday_date', $the_weekday_date, $before, $after); |
| 712 | echo $the_weekday_date; |
| 713 | } |
| 714 | |
| 715 | function rsd_link() { |
| 716 | echo '<link rel="EditURI" type="application/rsd+xml" title="RSD" href="' . get_bloginfo('wpurl') . "/xmlrpc.php?rsd\" />\n"; |
| 717 | } |
| 718 | |
| 719 | ?> |
| 720 | |