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Source View: default_contextual_help

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: 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.

Source View

Line Code
652
653           // Call old contextual_help_list filter.
654           self::$_old_compat_help = apply_filters( 'contextual_help_list', self::$_old_compat_help, $this );
655
656           $old_help = isset( self::$_old_compat_help[ $this->id ] ) ? self::$_old_compat_help[ $this->id ] : '';
657           $old_help = apply_filters( 'contextual_help', $old_help, $this->id, $this );
658
659           // Default help only if there is no old-style block of text and no new-style help tabs.
660           if ( empty( $old_help ) && empty( $this->_help_tabs ) ) {
661                $default_help = apply_filters( 'default_contextual_help', '' );
662                if ( $default_help )
663                     $old_help = '<p>' . $default_help . '</p>';
664           }
665
666           if ( $old_help ) {
667                $this->add_help_tab( array(
668                     'id'      => 'old-contextual-help',
669                     'title'   => __('Overview'),
670                     'content' => $old_help,