3v4l.org

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);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(1) { ["passed"]=> string(21) "Appears to be working" }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected '[' in /in/VEsR8 on line 16
Process exited with code 255.

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