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Manuals > PHP > get_defined_functions
PHP Handbuch
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get_defined_functions

(PHP 4 >= 4.0.4)

get_defined_functions --  Returns an array of all defined functions

Description

array get_defined_functions ( void )

This function returns an 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).

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

$arr = get_defined_functions();

print_r($arr);
?>

Will output something along the lines of:

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 get_defined_vars() and get_defined_constants().

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