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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 |
---|---|
1185 | 'before_title' => '<h2 class="widgettitle">', |
1186 | 'after_title' => '</h2>', |
1187 | ); |
1188 | $args = wp_parse_args( $args, $default_args ); |
1189 | $args['before_widget'] = sprintf( $args['before_widget'], $widget_obj->widget_options['classname'] ); |
1190 |
|
1191 | $instance = wp_parse_args( $instance ); |
1192 |
|
1193 | /** This filter is documented in wp-includes/class-wp-widget.php */ |
1194 | $instance = apply_filters( 'widget_display_callback', $instance, $widget_obj, $args ); |
1195 |
|
1196 | if ( false === $instance ) { |
1197 | return; |
1198 | } |
1199 |
|
1200 | /** |
1201 | * Fires before rendering the requested widget. |
1202 | * |
1203 | * @since 3.0.0 |