1: <?php
 2: /**
 3:  * Wei Framework
 4:  *
 5:  * @copyright   Copyright (c) 2008-2015 Twin Huang
 6:  * @license     http://opensource.org/licenses/mit-license.php MIT License
 7:  */
 8: 
 9: namespace Wei\Validator;
10: 
11: /**
12:  * Check if the input is valid URL address
13:  *
14:  * @author      Twin Huang <twinhuang@qq.com>
15:  */
16: class Url extends BaseValidator
17: {
18:     protected $invalidMessage = '%name% must be valid URL';
19: 
20:     protected $negativeMessage = '%name% must not be URL';
21: 
22:     /**
23:      * Requires the URL to contain a path part (like http://www.example.com/path/part)
24:      *
25:      * @var bool
26:      */
27:     protected $path = false;
28: 
29:     /**
30:      * Requires URL to have a query string (like http://www.example.com/?query=string)
31:      *
32:      * @var bool
33:      */
34:     protected $query = false;
35: 
36:     /**
37:      * Check if the input is valid URL address, options could be "path" and "query"
38:      *
39:      * @param mixed $input
40:      * @param array $options
41:      * @return string|bool
42:      */
43:     public function __invoke($input, $options = array())
44:     {
45:         $options && $this->storeOption($options);
46: 
47:         return $this->isValid($input);
48:     }
49: 
50:     /**
51:      * {@inheritdoc}
52:      */
53:     protected function doValidate($input)
54:     {
55:         $flag = 0;
56:         if ($this->path) {
57:             $flag = $flag | FILTER_FLAG_PATH_REQUIRED;
58:         }
59:         if ($this->query) {
60:             $flag = $flag | FILTER_FLAG_QUERY_REQUIRED;
61:         }
62: 
63:         if (!filter_var($input, FILTER_VALIDATE_URL, $flag)) {
64:             $this->addError('invalid');
65:             return false;
66:         }
67: 
68:         return true;
69:     }
70: }
71: