Add price variables for WooCommerce variations

pgbm_woocommerce_variation_price_variables.php

<?php

//Remove the <?php opening tag to get rid of the red exclamation mark in the Code Snippets plugin

if(interface_exists('\PGMB\Placeholders\VariableInterface')){
	class PGMB_WC_Variation_Prices implements \PGMB\Placeholders\VariableInterface{

		private $product;

		public function __construct($parent_id) {
			if(!function_exists('wc_get_product')){ return; }
			$this->product = wc_get_product($parent_id);
		}

		public function variables() {
			if(!$this->product){ return []; }

			return [
				'%wc_variation_min_current_price%'  => $this->product->get_variation_price(),
				'%wc_variation_max_current_price%'  => $this->product->get_variation_price('max'),
				'%wc_variation_min_regular_price%'  => $this->product->get_variation_regular_price(),
				'%wc_variation_max_regular_price%'  => $this->product->get_variation_regular_price('max'),
				'%wc_variation_min_sale_price%'     => $this->product->get_variation_sale_price(),
				'%wc_variation_max_sale_price%'     => $this->product->get_variation_sale_price('max'),
			];
		}
	}
}


add_action('mbp_placeholder_decorators', function($decorators, $parent_post_id, $location){
	if(class_exists('PGMB_WC_Variation_Prices')){
		$variation_prices = new PGMB_WC_Variation_Prices($parent_post_id);
		$decorators[] = $variation_prices;
	}

	return $decorators;
}
	,10, 3);