export-widgets.php

/**
 * Export Widgets.
 *
 * @todo: We need replace menu slug with menu name in Menu Widgets.
*/
$fusion_export_widgets_cmd = function() {
	
	// TODO: we don't need $posted_array as we're always exporting all widgets.
	$posted_array = [];
	$all_widgets  = wp_get_sidebars_widgets();

	foreach ( $all_widgets as $widget_area => $widget_array ) {
		foreach ( $widget_array as $widget ) {
			$posted_array[ $widget ] = 'on';
		}
	}

	// Begin plugin code.
	$sidebars_array = get_option( 'sidebars_widgets' );
	$sidebar_export = [];
	
	foreach ( $sidebars_array as $sidebar => $widgets ) {
		if ( ! empty( $widgets ) && is_array( $widgets ) ) {
			foreach ( $widgets as $sidebar_widget ) {
				if ( in_array( $sidebar_widget, array_keys( $posted_array ) ) ) {
					$sidebar_export[ $sidebar ][] = $sidebar_widget;
				}
			}
		}
	}

	$widgets = [];
	
	foreach ( $posted_array as $k => $v ) {
		$widget                = [];
		$widget['type']        = trim( substr( $k, 0, strrpos( $k, '-' ) ) );
		$widget['type-index']  = trim( substr( $k, strrpos( $k, '-' ) + 1 ) );
		$widget['export_flag'] = ( $v == 'on' ) ? true : false;
		$widgets[]             = $widget;
	}

	$widgets_array = [];
	foreach ( $widgets as $widget ) {
		$widget_val                                                = get_option( 'widget_' . $widget['type'] );
		$widget_val                                                = apply_filters( 'widget_data_export', $widget_val, $widget['type'] );
		$multiwidget_val                                           = $widget_val['_multiwidget'];
		$widgets_array[ $widget['type'] ][ $widget['type-index'] ] = $widget_val[ $widget['type-index'] ];
		
		if ( isset( $widgets_array[$widget['type']]['_multiwidget'] ) ) {
			unset( $widgets_array[$widget['type']]['_multiwidget'] );
		}

		$widgets_array[ $widget['type'] ]['_multiwidget'] = $multiwidget_val;
	}

	unset( $widgets_array['export'] );
	
	$export_array = array( $sidebar_export, $widgets_array );
	$json         = json_encode( $export_array );

	echo $json;
};