PHP | ReflectionParameter getClass() Function
The ReflectionParameter::getClass() function is an inbuilt function in PHP which is used to return the class type hinted for the parameter.
Syntax:
ReflectionClass ReflectionParameter::getClass ( void )
Parameters: This function does not accept any parameter.
Return Value: This function returns the class type hinted for the parameter.
Below programs illustrate the ReflectionParameter::getClass() function in PHP:
Program 1:
<?php   // Initializing a user-defined class Company1 class Company1 {     public function GFG( Exception $Parameter){} }   // Initializing a subclass Company2 class Company2 extends Company1 { }   // Using the ReflectionParameter over the above class $A = new ReflectionParameter(['Company2', 'GFG'], 0);   // Calling the getClass() function $B = $A->getClass();   // Getting the class type hinted for the parameter. var_dump($B); ?> |
Output:
object(ReflectionClass)#2 (1) {
["name"]=>
string(9) "Exception"
}
Program 2:
<?php   // Initializing some user-defined classes class Department1 {     public function HR($Parameter1){} } class Department2 {     public function Coding( Exception $Parameter2, Exception $Parameter3){} } class Department3 {     public function Marketing($Parameter4, $Parameter5, $Parameter6){} }   // Using the ReflectionParameter over the above classes $A = new ReflectionParameter(['Department1', 'HR'], 0); $B = new ReflectionParameter(['Department2', 'Coding'], 1); $C = new ReflectionParameter(['Department3', 'Marketing'], 2);   // Calling the getClass() function and // getting the class type hinted for the parameter. var_dump($A->getClass()); var_dump($B->getClass()); var_dump($C->getClass()); ?> |
Output:
NULL
object(ReflectionClass)#4 (1) {
["name"]=>
string(9) "Exception"
}
NULL
Reference: https://www.php.net/manual/en/reflectionparameter.getclass.php
