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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         )  )