Online PHP editor | refs for XKSFR

<?php $array = [ ['name' => 'Bank BRI', 'amount' => 0], ['name' => 'Bank BRI', 'amount' => 0], ['name' => 'Bank BCA', 'amount' => 1412341234], ['name' => 'Bank CIMB Niaga', 'amount' => 532532552], ['name' => 'Bank BRI', 'amount' => 34534534], ['name' => 'Bank CIMB Niaga', 'amount' => 453425243], ['name' => 'Bank BRI', 'amount' => 0], ['name' => 'Bank BNI', 'amount' => 124124], ['name' => 'Bank CIMB Niaga', 'amount' => 352345623], ['name' => 'Bank BCA', 'amount' => 23432423], ['name' => 'Bank Mandiri', 'amount' => 0], ['name' => 'Bank BCA', 'amount' => 0], ['name' => 'Bank BCA', 'amount' => 0], ['name' => 'Bank Permata', 'amount' => 352352353], ]; var_export( array_reduce( $array, function($carry, $row) { $carry[$row['name']] = ($carry[$row['name']] ?? 0) + $row['amount']; return $carry; } ) );