ReflectionClass
PHP Manual

ReflectionClass::isSubclassOf

(PHP 5, PHP 7)

ReflectionClass::isSubclassOfChecks if a subclass

Description

public bool ReflectionClass::isSubclassOf ( string $class )

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

Parameters

class

The class name being checked against.

Return Values

Returns TRUE on success or FALSE on failure.

See Also


ReflectionClass
PHP Manual