3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php namespace test; class ArrayObject { public function __construct() { echo 'test'; } } var_dump(class_alias('test\\ArrayObject', 'ArrayObject', false));
Output for 7.0.0 - 7.1.0
Warning: Cannot declare class ArrayObject, because the name is already in use in /in/B21CK on line 13 bool(false)
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0
Warning: Cannot redeclare class ArrayObject in /in/B21CK on line 13 bool(false)
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/B21CK on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/B21CK on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/B21CK on line 3
Process exited with code 255.