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run code in 150+ php & hhvm versions
Bugs & Features
<?php class O_B {} class O_A extends O_B { function __construct() { echo __CLASS__; } } class_alias('O_A', 'A'); new A();
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
O_A
Output for 5.0.0 - 5.2.17
Fatal error: Call to undefined function class_alias() in /in/T6394 on line 13
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: class_alias() in /in/T6394 on line 13
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: class_alias() in /in/T6394 on line 13
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: class_alias() in /in/T6394 on line 13