PHP get_defined_functions() function

In this chapter you will learn:

1. What is PHP get_defined_functions() function
2. Syntax for PHP get_defined_functions() function
3. Return Values
4. Example - Get all functions

Description

Returns an array of all defined functions.

Syntax

Return Values

Returns a multidimensional array containing a list of all defined functions, both built-in (internal) and user-defined.

The internal functions will be accessible via $arr["internal"], and the user defined ones using $arr["user"].

Example

Get all functions

<?php/*from j a v a2s.  c  o m*/
function my(){
    return "java2s.com";
}

$arr = get_defined_functions();

print_r($arr);
?>

The code above generates the following result.

Next chapter...

What you will learn in the next chapter:

1. What is PHP instanceof
2. Syntax for PHP instanceof
3. Example - How to use PHP instanceof

PHP class_exists() function

PHP get_class() function

PHP get_declared_classes() function

PHP get_declared_interfaces() function

PHP get_defined_functions() function

PHP instanceof

PHP serialize() function