3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class A { function x() { return $this::class; } } class B extends A {} $x = new B; echo $x->x();
based on WX3pm
Output for 7.0.0 - 7.0.2
Fatal error: Dynamic class names are not allowed in compile-time ::class fetch in /in/P7YN9 on line 5
Process exited with code 255.
Output for 5.4.12 - 5.6.17
Parse error: syntax error, unexpected 'class' (T_CLASS), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in /in/P7YN9 on line 5
Process exited with code 255.
Output for 5.3.22 - 5.3.29
Parse error: syntax error, unexpected T_CLASS, expecting T_STRING or T_VARIABLE or '$' in /in/P7YN9 on line 5
Process exited with code 255.