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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 |
|---|---|
| 1126 | if ( !is_a($widget_obj, 'WP_Widget') ) |
| 1127 | return; |
| 1128 | |
| 1129 | $before_widget = sprintf('<div class="widget %s">', $widget_obj->widget_options['classname'] ); |
| 1130 | $default_args = array( 'before_widget' => $before_widget, 'after_widget' => "</div>", 'before_title' => '<h2 class="widgettitle">', 'after_title' => '</h2>' ); |
| 1131 | |
| 1132 | $args = wp_parse_args($args, $default_args); |
| 1133 | $instance = wp_parse_args($instance); |
| 1134 | |
| 1135 | do_action( 'the_widget', $widget, $instance, $args ); |
| 1136 | |
| 1137 | $widget_obj->_set(-1); |
| 1138 | $widget_obj->widget($args, $instance); |
| 1139 | } |
| 1140 | |
| 1141 | /** |
| 1142 | * Private |
| 1143 | */ |
| 1144 | function _get_widget_id_base($id) { |