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<?php class Foo { protected function __construct() {} public static function create($name) { class_alias('Foo', $name); return new $name(); } } $bar = Foo::create('Bar'); var_dump($bar instanceof Bar);
based on rs8V4
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(true)
Output for 5.0.0 - 5.2.17
Fatal error: Call to undefined function class_alias() in /in/UkSE3 on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/UkSE3 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/UkSE3 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/UkSE3 on line 4
Process exited with code 255.