WP_Widget::display_callback( array $args, int|array $widget_args = 1 )

Source

public function display_callback( $args, $widget_args = 1 ) {
	if ( is_numeric( $widget_args ) ) {
		$widget_args = array( 'number' => $widget_args );
	}

	$widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );
	$this->_set( $widget_args['number'] );
	$instances = $this->get_settings();

	if ( isset( $instances[ $this->number ] ) ) {
		$instance = $instances[ $this->number ];

		/**
		 * Filters the settings for a particular widget instance.
		 *
		 * Returning false will effectively short-circuit display of the widget.
		 *
		 * @since 2.8.0
		 *
		 * @param array     $instance The current widget instance's settings.
		 * @param WP_Widget $widget   The current widget instance.
		 * @param array     $args     An array of default widget arguments.
		 */
		$instance = apply_filters( 'widget_display_callback', $instance, $this, $args );

		if ( false === $instance ) {
			return;
		}

		$was_cache_addition_suspended = wp_suspend_cache_addition();
		if ( $this->is_preview() && ! $was_cache_addition_suspended ) {
			wp_suspend_cache_addition( true );
		}

		$this->widget( $args, $instance );

		if ( $this->is_preview() ) {
			wp_suspend_cache_addition( $was_cache_addition_suspended );
		}
	}
}

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