PHP 7.0.6 Released

ReflectionClass::isSubclassOf

(PHP 5, PHP 7)

ReflectionClass::isSubclassOf — Checks 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::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

User Contributed Notes

dhairya lakhera

2 months ago


class A {}
class B {}
class C extends B {}

$obj=new ReflectionClass('C');

var_dump($obj->isSubclassOf ('A')); //boolean false
var_dump($obj->isSubclassOf ('B')); //boolean true