Magic constants:Magic constants - these are predefined constants in PHP that are used based on their usage. These constants start and end with double underscores (__). These constants are generated by various extensions.
Syntax:$string = __FUNCTION__
Description:this constant is used to return a function name or for anonymous functions.
Program 1:PHP program to print the function name inside a function
function GeeksforGeeks() { // magic function constant that // contains the function name or // {closure} for anonymous functions $string = __ FUNCTION __ ; // Show result echo $string ; }
// function call
GeeksforGeeks();
?> Exit:GeeksforGeeks Program 2:PHP program to print function name inside function function Geeks() { // magic function constant that // contains the class method name $string = __ METHOD__ ; // Show result echo $string ; }
// function call
Geeks();
?> Exit:Geeks Link: https://www.php.net/ manual / en / language.constants.predefined.php
