3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private static test = '1'; private static shmest = '2'; public static function bar($text) { return static::$$text; } } echo Foo::bar('test') . PHP_EOL; echo Foo::bar('shmest') . PHP_EOL;
Output for 5.4.0 - 5.4.30
Parse error: syntax error, unexpected 'test' (T_STRING), expecting variable (T_VARIABLE) in /in/VeaDP on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_STRING, expecting T_VARIABLE in /in/VeaDP on line 4
Process exited with code 255.
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184.82 ms | 1395 KiB | 67 Q