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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 |
|---|---|
| 171 | $widget_args = array( 'number' => $widget_args ); |
| 172 | |
| 173 | $widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) ); |
| 174 | $this->_set( $widget_args['number'] ); |
| 175 | $instance = $this->get_settings(); |
| 176 | |
| 177 | if ( array_key_exists( $this->number, $instance ) ) { |
| 178 | $instance = $instance[$this->number]; |
| 179 | // filters the widget's settings, return false to stop displaying the widget |
| 180 | $instance = apply_filters('widget_display_callback', $instance, $this, $args); |
| 181 | if ( false !== $instance ) |
| 182 | $this->widget($args, $instance); |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | /** Deal with changed settings. |
| 187 | * Do NOT over-ride this function. */ |
| 188 | function update_callback( $widget_args = 1 ) { |
| 189 | global $wp_registered_widgets; |