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 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(); ?> |
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Output:
GeeksforGeeks
Program 2: PHP program to print the function name inside the function Geeks().
<?php function Geeks() { // Magic function constant which // holds the class method name $string = __METHOD__; // Display the result echo $string; } // Function call Geeks(); ?> |
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Output:
Geeks
Reference: https://www.php.net/manual/en/language.constants.predefined.php
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