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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