Online PHP editor | output for Fp1hu

<?php $a = array ( 0 => array ( 'total_price' => '19.120000', 'total_percent' => '0.20', 'vat_code' => 22, 'discount_percent' => '3.82', ), 1 => array ( 'total_price' => '58.000000', 'total_percent' => '0.60', 'vat_code' => 22, 'discount_percent' => '11.60', ), 2 => array ( 'total_price' => '20.000000', 'total_percent' => '0.21', 'vat_code' => 4, 'discount_percent' => '4.00', ), ); foreach($a as $v){ isset($group[$v['vat_code']]) ? ($group[$v['vat_code']]['total_price'] += $v['total_price'] AND $group[$v['vat_code']]['total_percent'] += $v['total_percent'] AND $group[$v['vat_code']]['discount_percent'] += $v['discount_percent'] ) : ($group[$v['vat_code']] = $v); } print_r(array_values($group));