3v4l.org

run code in 300+ PHP versions simultaneously
<?php $this = 'test'; echo $this;
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.32
Fatal error: Cannot re-assign $this in /in/7QuvQ on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
test
preferences:
216.84 ms | 1395 KiB | 123 Q