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PHP get_defined_functions

PHP original manual for get_defined_functions [ show | php.net ]

get_defined_functions

(PHP 4 >= 4.0.4, PHP 5, PHP 7)

get_defined_functions — Returns an array of all defined functions

Description

array get_defined_functions ([ bool $exclude_disabled = FALSE ] )

Gets an array of all defined functions.

Parameters

exclude_disabled

Whether disabled functions should be excluded from the return value.

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"] (see example below).

Changelog

Version Description
PHP 7.0.15, PHP 7.1.1 The exclude_disabled parameter has been added.

Examples

Example #1 get_defined_functions() example

<?php
function myrow($id, $data)
{
    return "<tr><th>$id</th><td>$data</td></tr>\n";
}

$arr = get_defined_functions();

print_r($arr);
?>

The above example will output something similar to:

Array
(
    [internal] => Array
        (
            [0] => zend_version
            [1] => func_num_args
            [2] => func_get_arg
            [3] => func_get_args
            [4] => strlen
            [5] => strcmp
            [6] => strncmp
            ...
            [750] => bcscale
            [751] => bccomp
        )

    [user] => Array
        (
            [0] => myrow
        )

)

See Also