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run code in 150+ php & hhvm versions
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<?php function MakeCouponCode() { $res = "BADPERK-"; for($i = 0; $i < 5; ++$i) $res .= chr(mt_rand(0, 1) == 0 ? mt_rand(65, 90) : mt_rand(48, 57)); return $res; } $coupons = array(); for($i = 0; $i < 5; ++$i) $coupons[] = MakeCouponCode(); echo $coupons;
Output for 5.4.0 - 5.6.22, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Array to string conversion in /in/QD6YH on line 13 Array
Output for 4.3.0 - 5.3.29
Array