3v4l.org

run code in 300+ PHP versions simultaneously
<?php class IF { private $class = __CLASS__ . __LINE__; private function switch() {return $this->class;} } $c = (new IF)->switch();
Output for 5.5.24 - 5.5.31, 5.6.8 - 5.6.17, 7.0.0 - 7.0.2
Parse error: syntax error, unexpected 'IF' (T_IF), expecting identifier (T_STRING) in /in/s3uVW on line 3
Process exited with code 255.
preferences:
166.62 ms | 1395 KiB | 28 Q