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run code in 300+ PHP versions simultaneously
<?php $rule = [ "c" => "d", "a" => "o", "t" => "g", "h" => "a", "1" => "@", "e" => "n", "n" => "t" ]; $orders = ['cat1hen','cathen','hencat']; foreach($orders as $order){ $result[] = strtr($order, $rule); } var_export($result);
Output for 5.6.38, 7.0.33, 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
array ( 0 => 'dog@ant', 1 => 'dogant', 2 => 'antdog', )

preferences:
355.14 ms | 408 KiB | 5 Q