PHP | ReflectionParameter getName() Function

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The ReflectionParameter::getName() function is an inbuilt function in PHP which is used to return the name of the specified parameter.

Syntax:

 string ReflectionParameter::getName ( void )

Parameters: This function does not accept any parameters.

Return Value: This function returns the name of the specified parameter.

Below programs illustrate the ReflectionParameter::getName() function in PHP:
Program 1:

<?php 
  
// Initializing a user-defined class Company1 
class Company1 
{ 
    public function GFG( $Parameter){} 
} 
   
// Initializing a subclass Company2 
class Company2 extends Company1 
{ 
} 
   
// Using the ReflectionParameter over the above class 
$A = new ReflectionParameter(['Company2', 'GFG'], 0);  
   
// Calling the getName() function 
$B = $A->getName(); 
   
// Getting the name of the specified parameter. 
var_dump($B); 
?> 

Output:

string(9) "Parameter"

Program 2:

<?php 
   
// Initializing some user-defined classes 
class Department1 
{ 
    protected function HR($Parameter1){} 
} 
class Department2 
{ 
    final function Coding( Exception $Parameter2, Exception $Parameter3){} 
} 
class Department3 
{ 
    function Marketing($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 getName() function and  
// getting the name of the specified parameter. 
var_dump($A->getName()); 
var_dump($B->getName()); 
var_dump($C->getName()); 
?> 

Output:

string(10) "Parameter1"
string(10) "Parameter3"
string(10) "Parameter6"

Reference: https://www.php.net/manual/en/reflectionparameter.getname.php

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