3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo (string $xx){ } foo(null);
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught TypeError: Argument 1 passed to foo() must be of the type string, null given, called in /in/D5YDN on line 7 and defined in /in/D5YDN:3 Stack trace: #0 /in/D5YDN(7): foo(NULL) #1 {main} thrown in /in/D5YDN on line 3
Process exited with code 255.
Output for 5.3.20 - 5.6.28
Catchable fatal error: Argument 1 passed to foo() must be an instance of string, null given, called in /in/D5YDN on line 7 and defined in /in/D5YDN on line 3
Process exited with code 255.