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ReflectionClass::isSubclassOf

(PHP 5, PHP 7, PHP 8)

ReflectionClass::isSubclassOf — Checks if a subclass

Description

public ReflectionClass::isSubclassOf(ReflectionClass|string $class): bool

Checks if the class is a subclass of a specified class or implements a specified interface.

Parameters

class: Either the name of the class as string or a ReflectionClass object of the class to check against.

Return Values

Returns true on success or false on failure.

See Also

ReflectionClass::isInterface() - Checks if the class is an interface
ReflectionClass::implementsInterface() - Implements interface
is_subclass_of() - Checks if the object has this class as one of its parents or implements it
get_parent_class() - Retrieves the parent class name for object or class

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