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run code in 300+ PHP versions simultaneously
<?php $a = function() { try { yield 1; } finally { throw new Exception(); } }; $b = function() { yield 1; }; echo "starting " . phpversion() . "\n"; try { foreach ($a() as $x) { foreach ($b() as $y) { return true; } } } catch (Exception $e) { echo "caught exception.\n"; } echo "exit.\n";

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31.94 ms | 402 KiB | 5 Q