Function to sort an array of WooCommerce product ids based on custom value

product-ids-sort.php

<?php

// This function sorts the product based on menu order. You can get other numerical conditions here: https://www.businessbloomer.com/woocommerce-easily-get-product-info-title-sku-desc-product-object/#more-72711

function product_multiarray_sort( $productIDsArray ) {
	$productMultiArray = array();
	$sortedProductIDsArray = array();
	
	foreach ( $productIDsArray as $productID ) {
	  $product = wc_get_product( $productID );
		$menuOrder = $product->get_menu_order(); // Replace with preferred custom value e.g. $price = $product->get_price()		
		$productMultiArray[] = array('id' => $productID, 'order' => $menuOrder); // Replace second column with preferred custom value e.g. 'price' => $price
	}
	
	$menuOrderColumn = array_column($productMultiArray, 'order'); // Replace with preferred custom value e.g. $priceColumn = array_column($productMultiArray, 'price')
	array_multisort($menuOrderColumn, SORT_ASC, $productMultiArray); // Replace with preferred custom value e.g. array_multisort($priceColumn, SORT_ASC, $productMultiArray). You can also replace SORT_ASC with SORT_DESC to sort in descending order

	// Get ids of sorted multiarray
	foreach($productMultiArray as $productArray) {
		$sortedProductIDsArray[] = $productArray['id'];
	}
	
	return $sortedProductIDsArray;
}

?>