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Php: Use a variable value to check class exists with ::class [closed]

Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 6 years ago. Improve this question I have the following: if (class_exists($name::class)) { return new $name(); } The class $name will be part of another namespace and this is in a factory method. Php does not like this and throws error: Fatal error: Dynamic class names are not allowed in compile-time How can i get around this?
I remember that some time ago (maybe a week) I heard somewhere on the web, in a presentation about MVC or design patterns (I think), that such a construct as "::class" is not yet implemented in PHP. But maybe in PHP > 7. I'm not sure. Anyway: you don't need to use "::class". But you need to pass a fully qualified name (FQN) to the class_exists. So it has to be an FQN-string. Example: $classFQN = "\myNamespaceName\mySubNamespaceName1\mySubNamespaceName2\myClassName"; if (class_exists($classFQN)) { return new $classFQN(); } Notice the first "\" (back-slash). It makes a namespaced class name to a FULLY qualified name. See "PSR-4: Autoloader" at

February 13, 2024

function getClassInGlobal($name){ if(isset($GLOBALS[$name])){ if(is_object($GLOBALS[$name])){ $obj = $GLOBALS[$name]; return new $obj(); }else{ return false; }; }else{ return false; }; }; $Files = getClassInGlobal('myFilesClass'); if($Files){ echo '<pre>'; print_r(get_class_methods($Files)); echo '</pre>'; };

February 13, 2024

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