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See Also ¶ ReflectionClass::isInternal () - Checks if class is defined internally by an extension, or the core
Feb 19, 2021 · Last Updated : 19 Feb, 2021 The ReflectionClass::isUserDefined () function is an inbuilt function in PHP which is used to check if any user-defined class is available or not. Syntax:
ReflectionClass::isTrait — Returns whether this is a trait ReflectionClass::isUninitializedLazyObject — Checks if an object is lazy and uninitialized ReflectionClass::isUserDefined — Checks if user defined ReflectionClass::markLazyObjectAsInitialized — Marks a lazy object as initialized without calling the initializer or factory
ReflectionClass::isUserDefined — Checks if user defined ReflectionClass::newInstance — Creates a new class instance from given arguments. ReflectionClass::newInstanceArgs — Creates a new class instance from given arguments. ReflectionClass::newInstanceWithoutConstructor — Creates a new class instance without invoking the constructor.
ReflectionClass::isUserDefined — Checks if user defined ReflectionClass::newInstance — Creates a new class instance from given arguments. ReflectionClass::newInstanceArgs — Creates a new class instance from given arguments. ReflectionClass::newInstanceWithoutConstructor — Creates a new class instance without invoking the constructor.
ReflectionClass::isTrait — Returns whether this is a trait ReflectionClass::isUninitializedLazyObject — Checks if an object is lazy and uninitialized ReflectionClass::isUserDefined — Checks if user defined ReflectionClass::markLazyObjectAsInitialized — Marks a lazy object as initialized without calling the initializer or factory
Simple usage example of `ReflectionClass::isUserDefined ()`. The ReflectionClass::isUserDefined function is a built-in PHP function that checks if a class is user-defined or built-in. It returns true if the class is user-defined and false if it is built-in.
