3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function f() { static $x = 1; static $y = $x; }
Output for 7.0.0 - 7.1.6
Fatal error: Constant expression contains invalid operations in /in/nd55P on line 5
Process exited with code 255.
Output for hhvm-3.15.4
Fatal error: Uncaught Error: syntax error, unexpected T_VARIABLE in /in/nd55P:5 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.6.0 - 5.6.30
Parse error: syntax error, unexpected '$x' (T_VARIABLE) in /in/nd55P on line 5
Process exited with code 255.