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run code in 300+ PHP versions simultaneously
<?php $val1 = pow(2, 64); $val2 = $val1 - 1; echo $val1 . PHP_EOL; echo $val2 . PHP_EOL; echo number_format($val1, 0, '', '') . PHP_EOL; echo number_format($val2, 0, '', '') . PHP_EOL;
Output for git.master, git.master_jit, rfc.property-hooks
1.844674407371E+19 1.844674407371E+19 18446744073709551616 18446744073709551616

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