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run code in 300+ PHP versions simultaneously
<?php class _DEV { private static $_className = ''; private static $_runList = array(); public function __construct() { self::$_className = get_class($this); } public function run($_what, $_code, $_params) { $_errHead = self::$_className." -> ".__FUNCTION__; $_out = array(); self::$_runList[$_what] = $_code; $_out = self::$_runList[$_what]($_params); // >>> line # 27 referred to in error message return $_out; } } $_trial = new _DEV(); $_test = function() { $_out = array(); $_out['passed'] = "Appears to be working"; return $_out; }; $_result = $_trial->run('test', $_test, ''); var_dump($_result);

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57.49 ms | 402 KiB | 5 Q