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run code in 300+ PHP versions simultaneously
<?php $initialString = "Hello, PHP"; $myFunc = function($myFunc, $n = 3, &$initialString){ if($n >= 0){ $initialString .= ", " . $initialString; $temp = $myFunc($myFunc, $n - 1, $initialString); return $temp; } return $initialString; }; echo $myFunc($myFunc, 3, $initialString);

This is an error 500

Value for `_results` contains invalid data `array`


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