3v4l.org

run code in 300+ PHP versions simultaneously
<?php $class = '\\Some\\Namespace\\SomeClass'; use \Some\Namespace\SomeClass $object = new $class(); var_dump($object instanceof Some\NameSpace\SomeClase); //bool(false)
Output for 5.4.0 - 5.4.9
Parse error: syntax error, unexpected 'Namespace' (T_NAMESPACE), expecting identifier (T_STRING) in /in/ZvdBt on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.19
Parse error: syntax error, unexpected T_NAMESPACE, expecting T_STRING in /in/ZvdBt on line 3
Process exited with code 255.
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