3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function f(string $a) { $a = 1; } f("");
Output for 7.0.0 - 7.1.0
Output for hhvm-3.12.0
Catchable fatal error: Argument 1 passed to f() must be an instance of string, string given in /in/XPrnO on line 5
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.2.0 - 5.6.28
Catchable fatal error: Argument 1 passed to f() must be an instance of string, string given, called in /in/XPrnO on line 7 and defined in /in/XPrnO on line 3
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Fatal error: Argument 1 passed to f() must be an object of class string, called in /in/XPrnO on line 7 and defined in /in/XPrnO on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Argument 1 must be an object of class string in /in/XPrnO on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/XPrnO on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting ')' in /in/XPrnO on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/XPrnO on line 3
Process exited with code 255.