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run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo {} class_alias('Foo', '\\'); $className = '\\'; var_dump(new $className);
based on IVBVN
Output for 5.4.20 - 5.4.45, 5.5.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
object(Foo)#1 (0) { }
Output for 5.3.0 - 5.4.19, 5.5.0 - 5.5.3
Fatal error: Class '\' not found in /in/i1lGR on line 8
Process exited with code 255.
Output for 5.0.0 - 5.2.17
Fatal error: Call to undefined function class_alias() in /in/i1lGR on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: class_alias() in /in/i1lGR on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: class_alias() in /in/i1lGR on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: class_alias() in /in/i1lGR on line 4