WP_Customize_Widgets::filter_wp_kses_allowed_data_attributes( array $allowed_html )

Ensures the HTML data-* attributes for selective refresh are allowed by kses.

Description

This is needed in case the $before_widget is run through wp_kses() when printed.

Parameters

$allowed_html

(array) (Required) Allowed HTML.

Return

(array) (Maybe) modified allowed HTML.

Source

File: wp-includes/class-wp-customize-widgets.php 

	public function filter_wp_kses_allowed_data_attributes( $allowed_html ) {
		foreach ( array_keys( $this->before_widget_tags_seen ) as $tag_name ) {
			if ( ! isset( $allowed_html[ $tag_name ] ) ) {
				$allowed_html[ $tag_name ] = array();
			}
			$allowed_html[ $tag_name ] = array_merge(
				$allowed_html[ $tag_name ],
				array_fill_keys( array(
					'data-customize-partial-id',
					'data-customize-partial-type',
					'data-customize-partial-placement-context',
					'data-customize-partial-widget-id',
					'data-customize-partial-options',
				), true )
			);
		}
		return $allowed_html;
	}

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Changelog

Changelog
Version Description
WP-4.5.0 Introduced.