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PHP | ReflectionMethod isConstructor() Function

  • Last Updated : 30 Dec, 2019

The ReflectionMethod::isConstructor() function is an inbuilt function in PHP which is used to return TRUE if the specified method is constructor, otherwise returns FALSE.

Syntax:

bool ReflectionMethod::isConstructor( void )

Parameters: This function does not accept any parameters.

Return Value: This function returns TRUE if the specified method is constructor, otherwise returns FALSE.

Below programs illustrate the ReflectionMethod::isConstructor() function in PHP:

Program 1:




<?php
  
// Initializing a user-defined class
class Company {
  
    function __construct() {}
}
  
// Using ReflectionMethod() over the class Company
$A = new ReflectionMethod('Company', '__construct');
  
// Calling the isConstructor() function
$B = $A->isConstructor();
  
// Getting the value TRUE if the specified
// method is constructor, otherwise FALSE.
var_dump($B);
?>
Output:
bool(true)

Program 2:




<?php
   
// Initializing some user-defined classes
class Department1 {
   
    public function hr($name) {
        return 'HR' . $name;
    }
}
class Department2 {
    function __construct() {}
}
  
class Department3 {
     function marketing(){}
}
  
// Using ReflectionMethod() over the above classes
$A = new ReflectionMethod('Department1', 'hR');
$B = new ReflectionMethod('Department2', '__construct');
$C = new ReflectionMethod('Department3', 'marketing');
   
// Calling the isConstructor() function and 
// getting the value TRUE if the specified
// method is constructor, otherwise FALSE.
var_dump($A->isConstructor());
var_dump($B->isConstructor());
var_dump($C->isConstructor());
?>

Output:

bool(false)
bool(true)
bool(false)

Reference: https://www.php.net/manual/en/reflectionmethod.isconstructor.php


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