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 |
---|---|
764 | /** |
765 | * Filter the default legacy contextual help text. |
766 | * |
767 | * @since 2.8.0 |
768 | * @deprecated 3.3.0 Use get_current_screen()->add_help_tab() or |
769 | * get_current_screen()->remove_help_tab() instead. |
770 | * |
771 | * @param string $old_help_default Default contextual help text. |
772 | */ |
773 | $default_help = apply_filters( 'default_contextual_help', '' ); |
774 | if ( $default_help ) |
775 | $old_help = '<p>' . $default_help . '</p>'; |
776 | } |
777 |
|
778 | if ( $old_help ) { |
779 | $this->add_help_tab( array( |
780 | 'id' => 'old-contextual-help', |
781 | 'title' => __('Overview'), |
782 | 'content' => $old_help, |