The ReflectionClass::getConstructor() function is an inbuilt function in PHP which is used to return the constructor of the specified class or NULL if the class is not having any constructor.
Syntax:
ReflectionMethod ReflectionClass::getConstructor( void )
Parameters: This function does not accept any parameter.
Return Value: This function returns the constructor of the specified class or NULL if the class is not having any constructor.
Below programs illustrate the ReflectionClass::getConstructor() function in PHP:
Program 1:
<?php   // Using ReflectionClass over the class named as ReflectionClass $Class = new ReflectionClass('ReflectionClass');   // Calling the getConstructor() function $constructor = $Class->getConstructor();   // Getting the constructor for the defined Class var_dump($constructor); ?> |
Output:
object(ReflectionMethod)#2 (2) {
["name"]=>
string(11) "__construct"
["class"]=>
string(15) "ReflectionClass"
}
Program 2:
    // Defining a user-defined class Company class Company {     public function neveropen() { }     static function gfg() { } }     // Using ReflectionClass over the class Company $A = new ReflectionClass("Company");     // Calling the getConstructor() function $B = $A->getConstructor();     // Getting the constructor for the defined Class // or NULL if the constructor is not present var_dump($B); ?> |
Output:
NULL
Reference: https://www.php.net/manual/en/reflectionclass.getconstructor.php
