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run code in 300+ PHP versions simultaneously
<?php $a = 'acdmnprst'; $b = 'abcdefghijlmnopqrstuvz'; $al = strlen($a); $bl = strlen($b); for ($i = 0; $i < $al; $i++) { for ($j = 0; $j < $bl; $j++) { for ($k = 0; $k < $bl; $k++) { echo $b[$j] . $b[$k] . $a[$i] . "\n"; } } }

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This is an error 500

Value for `_results` contains invalid data `array`


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