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diff --git a/web/phpxmlrpclib/compat/is_callable.php b/web/phpxmlrpclib/compat/is_callable.php
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1<?php
2/**
3 * Replace function is_callable()
4 *
5 * @category PHP
6 * @package PHP_Compat
7 * @link http://php.net/function.is_callable
8 * @author Gaetano Giunta <giunta.gaetano@sea-aeroportimilano.it>
9 * @version $Id: is_callable.php 2 2009-03-16 20:22:51Z ggiunta $
10 * @since PHP 4.0.6
11 * @require PHP 4.0.0 (true, false, etc...)
12 * @todo add the 3rd parameter syntax...
13 */
14if (!function_exists('is_callable')) {
15 function is_callable($var, $syntax_only=false)
16 {
17 if ($syntax_only)
18 {
19 /* from The Manual:
20 * If the syntax_only argument is TRUE the function only verifies
21 * that var might be a function or method. It will only reject simple
22 * variables that are not strings, or an array that does not have a
23 * valid structure to be used as a callback. The valid ones are
24 * supposed to have only 2 entries, the first of which is an object
25 * or a string, and the second a string
26 */
27 return (is_string($var) || (is_array($var) && count($var) == 2 && is_string(end($var)) && (is_string(reset($var)) || is_object(reset($var)))));
28 }
29 else
30 {
31 if (is_string($var))
32 {
33 return function_exists($var);
34 }
35 else if (is_array($var) && count($var) == 2 && is_string($method = end($var)))
36 {
37 $obj = reset($var);
38 if (is_string($obj))
39 {
40 $methods = get_class_methods($obj);
41 return (bool)(is_array($methods) && in_array(strtolower($method), $methods));
42 }
43 else if (is_object($obj))
44 {
45 return method_exists($obj, $method);
46 }
47 }
48 return false;
49 }
50 }
51}
52
53?> \ No newline at end of file