PHP | ReflectionClass getInterfaces() Function

PHP | ReflectionClass getConstructor() Function

Last Updated : 30 Nov, 2019

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

<?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:

php

  
// Defining a user-defined class Company
class Company {
    public function GeeksforGeeks() { }
    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

PHP | ReflectionClass getInterfaces() Function

K

Kanchan_Ray

Improve

Article Tags :

Similar Reads

PHP | ReflectionClass getConstant() Function

The ReflectionClass::getConstant() function is an inbuilt function in PHP which is used to return the value of the defined constant. Syntax: mixed ReflectionClass::getConstant( string $name ) Parameters: This function accepts a parameter Name which is the name of the defined constant. Return Value:

PHP | ReflectionClass getConstants() Function

The ReflectionClass::getConstants() function is an inbuilt function in PHP which is used to return an array of the specified constant names. Syntax: array ReflectionClass::getConstants( void ) Parameters: This function does not accept any parameter. Return Value: This function returns an array of th

PHP | ReflectionClass getStartLine() Function

The ReflectionClass::getStartLine() function is an inbuilt function in PHP which is used to return the line number from where the user defined class get started. Syntax: int ReflectionClass::getStartLine( void ) Parameters: This function does not accept any parameters. Return Value: This function re

PHP | ReflectionClass getInterfaces() Function

The ReflectionClass::getInterfaces() function is an inbuilt function in PHP which is used to return an associative array of interfaces. These returned array is containing keys as interface names and the array values as ReflectionClass objects. Syntax: array ReflectionClass::getInterfaces( void ) Par

PHP | ReflectionClass getDocComment() Function

The ReflectionClass::getDocComment() function is an inbuilt function in PHP which is used to return the specified doc comments if it exists, otherwise returns false. Syntax: string ReflectionClass::getDocComment( void ) Parameters: This function does not accept any parameters.Return Value: This func

PHP | ReflectionClass getProperty() Function

The ReflectionClass::getProperty() function is an inbuilt function in PHP which is used to return an array of the ReflectionProperty for the specified class. Syntax: ReflectionClass::getProperty ( string $name ) : array Parameters: This function accepts a parameter name which is name of the property

PHP | ReflectionClass getMethod() Function

The ReflectionClass::getMethod() function is an inbuilt function in PHP which is used to return a ReflectionMethod for the specified class method. Syntax: ReflectionMethod ReflectionClass::getMethod ( string $name ) Parameters: This function accepts a parameter $name which is the method name. Return

PHP | ReflectionClass hasConstant() Function

The ReflectionClass::hasConstant() function is an inbuilt function in PHP which is used to check the specified constant is present or not. Syntax: bool ReflectionClass::hasConstant( string $name ) Parameters: This function accepts a single parameter $name which holds the name of the defined constant

PHP ReflectionClass getMethods() Function

The ReflectionClass::getMethods() function is an inbuilt function in PHP which is used to return an array of specified methods.Syntax: array ReflectionClass::getMethods( int $filter )Parameters: This function accepts a single parameter filter which is used to remove some of the methods.Return Value:

PHP | ReflectionClass getExtension() Function

The ReflectionClass::getExtension() function is an inbuilt function in PHP which is used to return the ReflectionExtension object which represents the extension for the defined class, or NULL for the user-defined classes. Syntax: ReflectionExtension ReflectionClass::getExtension( void ) Parameters: