3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php const foo = "bar"; $x = 'test' . "$foo"; echo($x);
based on G7OTs
Output for 5.3.0 - 7.2.0
Notice: Undefined variable: foo in /in/URoS1 on line 4 test
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_CONST in /in/URoS1 on line 3
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 T_CONST in /in/URoS1 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/URoS1 on line 3
Process exited with code 255.