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run code in 300+ PHP versions simultaneously
<?php echo mb_strtoupper(mb_strtolower("MOZAİK"));
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.30, 8.0.0 - 8.0.20, 8.1.0 - 8.1.7
MOZAİK

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65.01 ms | 409 KiB | 5 Q