3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function __autoload($className) { echo "try autoload $className "; } class_alias("XXXX", "BBBB", false);
Output for 5.3.0 - 5.6.23, 7.0.0 - 7.1.0
Warning: Class 'XXXX' not found in /in/I99I3 on line 6
Output for hhvm-3.10.0 - 3.12.0
Warning: Class XXXX not found in /in/I99I3 on line 6
Output for 5.0.0 - 5.2.17
Fatal error: Call to undefined function class_alias() in /in/I99I3 on line 6
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: class_alias() in /in/I99I3 on line 6
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: class_alias() in /in/I99I3 on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: class_alias() in /in/I99I3 on line 6