3v4l.org

run code in 300+ PHP versions simultaneously
<?php final class MyType { const UNKNOWN = 0; const VALUE_ONE = 1; const VALUE_TWO = 2; const VALUE_THREE = 3; const VALUE_FOUR = 4; const VALUE_FIVE = 5; static public $__names = array( 0 => 'UNKNOWN', 1 => 'VALUE_ONE', 2 => 'VALUE_TWO', 3 => 'VALUE_THREE', 4 => 'VALUE_FOUR', 5 => 'VALUE_FIVE', ); } $test = new MyType(); echo constant('MyType' . $test->__names[count($test->__names) - 1]); ?>

preferences:
66.81 ms | 402 KiB | 5 Q