Online PHP editor | refs for ducYR

<?php $array1 = [ [ 'quantity' => 13, 'idname' => 3, 'x_name' => 'Name-3' ], [ 'quantity' => 5, 'idname' => 4, 'x_name' => 'Name-4' ] ]; $array2 = [ [ 'id_x' => 3, 'x_name' => 'Name-3', 'id_l' => 4 ], [ 'id_x' => 4, 'x_name' => 'Name-4', 'id_l' => 8 ], [ 'id_x' => 5, 'x_name' => 'Name-5', 'id_l' => 7 ], [ 'id_x' => 6, 'x_name' => 'Name-6', 'id_l' => 5 ] ]; var_export( array_udiff( $array2, $array1, fn($a, $b) => [$a['idname'] ?? $a['id_x'], $a['x_name']] <=> [$b['idname'] ?? $b['id_x'], $b['x_name']] ) );