WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
---|---|
718 | /** |
719 | * Filter the languages available in the dropdown. |
720 | * |
721 | * @since MU |
722 | * |
723 | * @param array $output HTML output of the dropdown. |
724 | * @param array $lang_files Available language files. |
725 | * @param string $current The current language code. |
726 | */ |
727 | $output = apply_filters( 'mu_dropdown_languages', $output, $lang_files, $current ); |
728 |
|
729 | echo implode( "\n\t", $output ); |
730 | } |
731 |
|
732 | /** |
733 | * Displays an admin notice to upgrade all sites after a core upgrade. |
734 | * |
735 | * @since 3.0.0 |
736 | * |