PHP | ReflectionClass isInternal() Function

PHP | ReflectionClass isInstance() Function

Last Updated : 30 Nov, 2019

The ReflectionClass::isInstance() function is an inbuilt function in PHP which is used to check whether the specified object is an instance of the class or not. Syntax:

bool ReflectionClass::isInstance( object $object )

Parameters: This function accepts a single parameter object which is being searched in the instance of the class. Return Value: This function returns true for the success or false on failure. Below programs illustrate the ReflectionClass::isInstance() function in PHP: Program 1:

php

<?php

// Declaring a user-defined class
class  GFG { }

// Initialising the instance
$Instance = new GFG();

// Using ReflectionClass over the
// instance GFG
$obj = new ReflectionClass('GFG');

// Calling isInstance() function
$A = $obj->isInstance($Instance);

// Getting the value true or false
var_dump($A);
?>

Output:

bool(true)

Program 2:

php

<?php

// Declaring a user-defined class
class  GFG { }

// Using ReflectionClass over the
// instance GFG
$obj = new ReflectionClass('GFG');

// Calling isInstance() function
$A = $obj->isInstance($obj);

// Getting the value true or false
var_dump($A);
?>

Output:

bool(false)

Reference: https://secure.php.net/manual/en/reflectionclass.isinstance.php

PHP | ReflectionClass isInternal() Function

K

Kanchan_Ray

Improve

Article Tags :

Similar Reads

PHP | ReflectionClass isInterface() Function

The ReflectionClass::isInterface() function is an inbuilt function in PHP which is used to check the specified class is an interface or not. Syntax: bool ReflectionClass::isInterface( void ) Parameters: This function does not accept any parameters. Return Value: This function returns TRUE if the spe

PHP | ReflectionClass isInstantiable() Function

The ReflectionClass::isInstantiable() function is an inbuilt function in PHP which is used to check the specified class is instantiable or not. Syntax: bool ReflectionClass::isInstantiable( void ) Parameters: This function does not accept any parameters. Return Value: This function returns TRUE if t

PHP | ReflectionClass isFinal() Function

The ReflectionClass::isFinal() function is an inbuilt function in PHP which is used to check the specified class is final or not. Syntax: bool ReflectionClass::isFinal( void ) Parameters: This function does not accept any parameters. Return Value: This function returns true for the success or false

PHP | ReflectionClass isInternal() Function

The ReflectionClass::isInternal() function is an inbuilt function in PHP which is used to check if class is defined internally by an extension, or the core. Syntax: bool ReflectionClass::isInternal( void ) Parameters: This function does not accept any parameters. Return Value: This function returns

PHP | ReflectionClass isAbstract() Function

The ReflectionClass::isAbstract() function is an inbuilt function in PHP which is used to check the specified class is abstract or not. Syntax: bool ReflectionClass::isAbstract( void ) Parameters: This function does not accept any parameters. Return Value: This function returns true for the success

PHP | ReflectionClass inNamespace() Function

The ReflectionClass::inNamespace() function is an inbuilt function in PHP which is used to check the existence of the namespace. It returns true for the success or false on failure. Syntax: bool ReflectionClass::inNamespace( void ) Parameters: This function does not accept any parameters. Return Val

PHP | ReflectionClass hasConstant() Function

The ReflectionClass::hasConstant() function is an inbuilt function in PHP which is used to check the specified constant is present or not. Syntax: bool ReflectionClass::hasConstant( string $name ) Parameters: This function accepts a single parameter $name which holds the name of the defined constant

PHP | ReflectionClass isIterateable() Function

The ReflectionClass::isIterateable() function is an inbuilt function in PHP which is used to check if the defined class is iterateable or not. Syntax: bool ReflectionClass::isIterateable() Parameters: This function does not accept any parameter. Return Value: This function returns TRUE if the define

PHP | ReflectionClass getInterfaces() Function

The ReflectionClass::getInterfaces() function is an inbuilt function in PHP which is used to return an associative array of interfaces. These returned array is containing keys as interface names and the array values as ReflectionClass objects. Syntax: array ReflectionClass::getInterfaces( void ) Par

PHP | ReflectionClass isCloneable() Function

The ReflectionClass::isCloneable() function is an inbuilt function in PHP which is used to check the specified class is cloneable or not. Syntax: bool ReflectionClass::isCloneable( void ) Parameters: This function does not accept any parameters. Return Value: This function returns True if class is c