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run code in 150+ php & hhvm versions
Bugs & Features
<?php spl_autoload_register('var_dump'); class_alias('Foo', '*'); $a = '*'; eval('class Foo{}'); class_alias('Foo', '*'); var_dump(new $a);
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
string(3) "Foo" Warning: Class 'Foo' not found in /in/iC9iT on line 5 object(Foo)#1 (0) { }
Output for hhvm-3.10.0 - 3.12.0
string(3) "Foo" Warning: Class Foo not found in /in/iC9iT on line 5 object(Foo)#1 (0) { }
Output for 5.1.0 - 5.2.17
Fatal error: Call to undefined function class_alias() in /in/iC9iT on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function spl_autoload_register() in /in/iC9iT on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: spl_autoload_register() in /in/iC9iT on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: spl_autoload_register() in /in/iC9iT on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: spl_autoload_register() in /in/iC9iT on line 3