How to get the function name inside a function in PHP ?

To get the function name inside the PHP function we need to use Magic constants(__FUNCTION__). Magic constants: Magic constants are the predefined constants in PHP which is used on the basis of their use. These constants are starts and end with a double underscore (__). These constants are created by various extensions. Syntax:

$string = __FUNCTION__

Description: This constant is used to return the function name, or {closure} for anonymous functions. Program 1: PHP program to print function name inside the function GeeksforGeeks(). PHP

<?php

function GeeksforGeeks() {
    
    // Magic function constant which
    // holds the function name, or 
    // {closure} for anonymous functions
    $string = __FUNCTION__;
    
    // Display the result
    echo $string;
}

// Function call
GeeksforGeeks();

?>

Program 2: PHP program to print the function name inside the function Geeks(). PHP

<?php

function Geeks() {
    
    // Magic function constant which
    // holds the class method name
    $string = __METHOD__;
    
    // Display the result
    echo $string;
}

// Function call
Geeks();

?>

Reference: https://www.php.net/manual/en/language.constants.predefined.php