Duplicates code in TPL replacing vars appropriately.

code-dupllicator.php

$tpl = <<<JS

	// region BlkTitle

	CaxtonBlock( {
		id: 'woobuilder-blocks/BlkID',
		title: 'BlkTitle',
		icon: 'layout',
		category: 'woobuilder',
		apiUrl: function ( props ) {
			var
				attr = props.attributes,
				qry = '';
			return {
				apiData: '/woobuilder_blocks/v1/Blk_ID?' + qry,
			};
		},
		apiCallback: function ( props, that ) {
			if ( props.apiData.data && props.apiData.data.html ) {
				return Caxton.html2el( props.apiData.data.items.join( '' ), {
					key: 'product-category-grid',
					className: 'woobuilder-BlkID',
					style: {},
					onClick: function ( e ) {
						e.preventDefault();
					}
				} );
			} else {
				return wp.element.createElement( 'div', {
					className: 'caxton-notification',
					key: 'notice'
				}, 'Loading BlkTitle...' );
			}
		},
		fields: {
//			'Text color': {
//				type: 'color',
//				default: '#fff',
//				section: 'Typography',
//			},
		},
	} );

	// endregion BlkTitle

JS;

echo '<pre>';

foreach (
	[
		[ 'add_to_cart', 'add-to-cart', 'WooBuilder: Add to cart', ],
		[ 'product_price', 'product-price', 'WooBuilder: Product price', ],
		[ 'excerpt', 'excerpt', 'WooBuilder: Product Excerpt', ],
		[ 'meta', 'meta', 'WooBuilder: Product Meta', ],
		[ 'tabs', 'tabs', 'WooBuilder: Product Tabs', ],
	] as $blk
) {
	echo str_replace( [ 'Blk_ID', 'BlkID', 'BlkTitle' ], $blk, $tpl );
}

echo '</pre>';
die();