3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class a { function b(a $a) { echo get_class($a); } } $a = new a(); $a->b(NULL);
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught TypeError: Argument 1 passed to a::b() must be an instance of a, null given, called in /in/BsJMn on line 11 and defined in /in/BsJMn:5 Stack trace: #0 /in/BsJMn(11): a->b(NULL) #1 {main} thrown in /in/BsJMn on line 5
Process exited with code 255.
Output for 5.2.0 - 5.6.28
Catchable fatal error: Argument 1 passed to a::b() must be an instance of a, null given, called in /in/BsJMn on line 11 and defined in /in/BsJMn on line 5
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Fatal error: Argument 1 passed to a::b() must not be null, called in /in/BsJMn on line 11 and defined in /in/BsJMn on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Argument 1 must not be null in /in/BsJMn on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/BsJMn on line 5
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/BsJMn on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/BsJMn on line 5
Process exited with code 255.