Online PHP editor | refs for C8c9p

<?php $arr = array( array('product_code' => 'battle-for-zendikar-token-1', 'product' => 'battle-for-zendikar-token-1'), array('product_code' => 'battle-for-zendikar-token-2', 'product' => 'battle-for-zendikar-token-2'), array('product_code' => 'battle-for-zendikar-token-3', 'product' => 'battle-for-zendikar-token-3'), array('product_code' => 'battle-for-zendikar-token-4', 'product' => 'battle-for-zendikar-token-4'), array('product_code' => 'battle-for-zendikar-token-5', 'product' => 'battle-for-zendikar-token-5'), array('product_code' => 'battle-for-zendikar-token-6', 'product' => 'battle-for-zendikar-token-6'), array('product_code' => 'battle-for-zendikar-token-7', 'product' => 'battle-for-zendikar-token-7'), array('product_code' => 'battle-for-zendikar-token-8', 'product' => 'battle-for-zendikar-token-8'), array('product_code' => 'battle-for-zendikar-token-9', 'product' => 'battle-for-zendikar-token-9'), array('product_code' => 'battle-for-zendikar-token-10', 'product' => 'battle-for-zendikar-token-10'), array('product_code' => 'battle-for-zendikar-token-11', 'product' => 'battle-for-zendikar-token-11'), array('product_code' => 'battle-for-zendikar-token-12', 'product' => 'battle-for-zendikar-token-12'), array('product_code' => 'battle-for-zendikar-token-13', 'product' => 'battle-for-zendikar-token-13'), array('product_code' => 'battle-for-zendikar-token-14', 'product' => 'battle-for-zendikar-token-14'), array('product_code' => 'battle-for-zendikar-1', 'product' => 'battle-for-zendikar-1'), array('product_code' => 'battle-for-zendikar-2', 'product' => 'battle-for-zendikar-2'), array('product_code' => 'battle-for-zendikar-3', 'product' => 'battle-for-zendikar-3'), array('product_code' => 'battle-for-zendikar-4', 'product' => 'battle-for-zendikar-4'), array('product_code' => 'battle-for-zendikar-5', 'product' => 'battle-for-zendikar-5'), array('product_code' => 'battle-for-zendikar-6', 'product' => 'battle-for-zendikar-6'), array('product_code' => 'battle-for-zendikar-7', 'product' => 'battle-for-zendikar-7'), array('product_code' => 'battle-for-zendikar-8', 'product' => 'battle-for-zendikar-8'), array('product_code' => 'battle-for-zendikar-9', 'product' => 'battle-for-zendikar-9'), array('product_code' => 'battle-for-zendikar-10', 'product' => 'battle-for-zendikar-10'), array('product_code' => 'battle-for-zendikar-11', 'product' => 'battle-for-zendikar-11'), array('product_code' => 'battle-for-zendikar-12', 'product' => 'battle-for-zendikar-12'), array('product_code' => 'battle-for-zendikar-13', 'product' => 'battle-for-zendikar-13'), array('product_code' => 'battle-for-zendikar-14', 'product' => 'battle-for-zendikar-14'), array('product_code' => 'battle-for-zendikar-15', 'product' => 'battle-for-zendikar-15'), array('product_code' => 'battle-for-zendikar-16', 'product' => 'battle-for-zendikar-16'), array('product_code' => 'battle-for-zendikar-17', 'product' => 'battle-for-zendikar-17'), array('product_code' => 'battle-for-zendikar-18', 'product' => 'battle-for-zendikar-18'), array('product_code' => 'battle-for-zendikar-19', 'product' => 'battle-for-zendikar-19'), array('product_code' => 'battle-for-zendikar-20', 'product' => 'battle-for-zendikar-20') ); function sortProducts($products) { $_sorted = array(); $_unsortable = array(); $_numbers = array(); if (is_array($products) && count($products)) { foreach ($products as $product) { preg_match('/[0-9]+$/', $product['product_code'], $_numbers); $_number = $_numbers[0]; $initial_code_part = substr($product['product_code'],0,strrpos($product['product_code'],$_number)); if (!empty($_number)) { $_sorted[$initial_code_part][$_number] = $product; continue; } $_unsortable[$product['product_code']] = $product; } if (count($_sorted) > 1) { $_newSortedData = array(); foreach ($_sorted as $_sortKey => $_sortedData) { if (!count($_newSorteddata)) { $_newSortedData = $_sortedData; } else { $params = $_sorteddata; array_shift($params,$_newSortedData); call_user_func_array('array_push',$params); } } $_sorted = $_newSortedData; } ksort($_sorted); ksort($_unsortable); if (!count($_sorted)) { return $_unsortable; } return $_sorted + $_unsortable; } return $products; } var_dump(sortProducts($arr));