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: This function does not accept any parameters.
Return Value: This function returns a ReflectionExtension object which represents the extension for the defined class, or NULL for the user-defined classes.
Below programs illustrate the ReflectionClass::getExtension() function in PHP:
Program 1:
<?php // Defining a user-defined class named as Departments class Departments { static $Dept1 = 'CSE' ; private static $Dept2 = 'ECE' ; public static $Dept3 = 'EE' ; } // Using ReflectionClass over the class Departments $ReflectionClass = new ReflectionClass( 'Departments' ); // Calling getExtension() functions $A = $ReflectionClass ->getExtension(); // Getting the ReflectionExtension object var_dump( $A ); ?> |
Output:
NULL
Program 2:
<?php // Using ReflectionClass $ReflectionClass = new ReflectionClass( 'ReflectionClass' ); // Calling getExtension() functions $A = $ReflectionClass ->getExtension(); // Getting the ReflectionExtension object var_dump( $A ); ?> |
Output:
object(ReflectionExtension)#2 (1) { ["name"]=> string(10) "Reflection" }
Reference: https://www.php.net/manual/en/reflectionclass.getextension.php