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run code in 300+ PHP versions simultaneously
<?php $string = "C#maj7"; $qualityVal = ""; if (true) { $qualityVal .= substr($string, 2); } $num = 10; $num += 10; class Hello { public $world; public function __toString() { return "Hello!"; } } $hello = new Hello(); //$world = "world"; //echo $hello->$world; $arr1 = array("a"); $arr2 = array("b"); $arr2 = array("a"); print_r($arr1 + $arr2 + $arr3); ?>

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38.72 ms | 402 KiB | 5 Q