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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 |
|---|---|
| 1880 | if ( isset($_POST['delete_widget']) && $_POST['delete_widget'] ) { |
| 1881 | |
| 1882 | if ( !isset($wp_registered_widgets[$widget_id]) ) |
| 1883 | wp_die( $error ); |
| 1884 | |
| 1885 | $sidebar = array_diff( $sidebar, array($widget_id) ); |
| 1886 | $_POST = array('sidebar' => $sidebar_id, 'widget-' . $id_base => array(), 'the-widget-id' => $widget_id, 'delete_widget' => '1'); |
| 1887 | |
| 1888 | /** This action is documented in wp-admin/widgets.php */ |
| 1889 | do_action( 'delete_widget', $widget_id, $sidebar_id, $id_base ); |
| 1890 | |
| 1891 | } elseif ( $settings && preg_match( '/__i__|%i%/', key($settings) ) ) { |
| 1892 | if ( !$multi_number ) |
| 1893 | wp_die( $error ); |
| 1894 | |
| 1895 | $_POST[ 'widget-' . $id_base ] = array( $multi_number => reset( $settings ) ); |
| 1896 | $widget_id = $id_base . '-' . $multi_number; |
| 1897 | $sidebar[] = $widget_id; |
| 1898 | } |