Display WP Dispensary Edibles total THC mg per unit

wpd-edibles-total-thc-mg.php

<?
/**
 * By default, WP Dispensary has options for dispensary owners
 * to add in THC mg per serving and serving count to each edible added.
 * 
 * The below code snippet finds the THC mg and Servings numbers, multiplies
 * them together and then spits out the total THC mg per unit
 */
add_action( 'wpd_dataoutput_bottom', 'thc_mg_per_package', 10 );
function thc_mg_per_package() {

	/**
	 * Grab the value added to the THC mg metabox
	 */
	if ( get_post_meta( get_the_ID(), '_thcmg', true ) ) {
		$thcmgperserving = get_post_meta( get_the_id(), '_thcmg', true );
	} else {
		$thcmgperserving = '';
	}
	/**
	 * Grab the value added to the servings metabox
	 */
	if ( get_post_meta( get_the_ID(), '_thccbdservings', true ) ) {
		$servingcount = get_post_meta( get_the_id(), '_thccbdservings', true );
	} else {
		$servingcount = '';
	}
	/**
	 * Creating total thc mg value and displaying it in the Details table
	 */
	if ( $servingcount != '' && $thcmgperserving !='' ) {
		$totalthcmg = $servingcount * $thcmgperserving;
		echo '<tr><td><span>Total THC:</span></td><td>' . $totalthcmg . ' mg per package</td></tr>';
	}
}

?>