3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class A { static function hello(){ echo "Hello World\n"; } } $y[0] = 'hello'; echo "A::${y[0]}"; echo A::${y[0]};
based on VjvOv
Output for 7.2.0 - 7.2.6
A::hello Warning: Use of undefined constant y - assumed 'y' (this will throw an Error in a future version of PHP) in /in/Mo2sV on line 12 Fatal error: Uncaught Error: Access to undeclared static property: A::$y in /in/Mo2sV:12 Stack trace: #0 {main} thrown in /in/Mo2sV on line 12
Process exited with code 255.
Output for 7.0.0 - 7.1.20
A::hello Notice: Use of undefined constant y - assumed 'y' in /in/Mo2sV on line 12 Fatal error: Uncaught Error: Access to undeclared static property: A::$y in /in/Mo2sV:12 Stack trace: #0 {main} thrown in /in/Mo2sV on line 12
Process exited with code 255.
Output for 5.6.0 - 5.6.28
A::hello Notice: Use of undefined constant y - assumed 'y' in /in/Mo2sV on line 12 Fatal error: Access to undeclared static property: A::$y in /in/Mo2sV on line 12
Process exited with code 255.
Output for 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '[' in /in/Mo2sV on line 12
Process exited with code 255.