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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 |
---|---|
1606 | function the_weekday_date($before='',$after='') { |
1607 | global $wp_locale, $currentday, $previousweekday; |
1608 | $the_weekday_date = ''; |
1609 | if ( $currentday != $previousweekday ) { |
1610 | $the_weekday_date .= $before; |
1611 | $the_weekday_date .= $wp_locale->get_weekday( mysql2date( 'w', get_post()->post_date, false ) ); |
1612 | $the_weekday_date .= $after; |
1613 | $previousweekday = $currentday; |
1614 | } |
1615 | $the_weekday_date = apply_filters('the_weekday_date', $the_weekday_date, $before, $after); |
1616 | echo $the_weekday_date; |
1617 | } |
1618 |
|
1619 | /** |
1620 | * Fire the wp_head action |
1621 | * |
1622 | * @since 1.2.0 |
1623 | * @uses do_action() Calls 'wp_head' hook. |
1624 | */ |