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 |
---|---|
797 | /** |
798 | * Filters the default legacy contextual help text. |
799 | * |
800 | * @since 2.8.0 |
801 | * @deprecated 3.3.0 Use get_current_screen()->add_help_tab() or |
802 | * get_current_screen()->remove_help_tab() instead. |
803 | * |
804 | * @param string $old_help_default Default contextual help text. |
805 | */ |
806 | $default_help = apply_filters( 'default_contextual_help', '' ); |
807 | if ( $default_help ) { |
808 | $old_help = '<p>' . $default_help . '</p>'; |
809 | } |
810 | } |
811 |
|
812 | if ( $old_help ) { |
813 | $this->add_help_tab( |
814 | array( |
815 | 'id' => 'old-contextual-help', |