3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo() { return array('b'); } echo $foo()[0];
Output for 7.0.0 - 7.1.0
Notice: Undefined variable: foo in /in/WiUoj on line 9 Fatal error: Uncaught Error: Function name must be a string in /in/WiUoj:9 Stack trace: #0 {main} thrown in /in/WiUoj on line 9
Process exited with code 255.
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0
Notice: Undefined variable: foo in /in/WiUoj on line 9 Fatal error: Function name must be a string in /in/WiUoj on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ',' or ';' in /in/WiUoj on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ',' or ';' in /in/WiUoj on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `','' or `';'' in /in/WiUoj on line 9
Process exited with code 255.