3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php x[] ='a'; x[] ='b';
Output for 7.0.0
Fatal error: Cannot use temporary expression in write context in /in/RKT0P on line 3
Process exited with code 255.
Output for 5.6.8 - 5.6.16
Fatal error: Cannot use [] for reading in /in/RKT0P on line 3
Process exited with code 255.
Output for 5.3.20 - 5.5.30
Parse error: syntax error, unexpected '[' in /in/RKT0P on line 3
Process exited with code 255.