1: <?php
 2: 
 3: /**
 4:  * @copyright Copyright (c) 2009-2022 ThemeCatcher (https://www.themecatcher.net)
 5:  */
 6: class Quform_Validator_Honeypot extends Quform_Validator_Abstract
 7: {
 8:     /**
 9:      * Returns true if the given value is empty, false otherwise.
10:      *
11:      * @param   string   $value
12:      * @return  boolean
13:      */
14:     public function isValid($value)
15:     {
16:         return is_string($value) && $value === '';
17:     }
18: 
19:     /**
20:      * Get all message templates or the single message with the given key
21:      *
22:      * @param   string|null   $key
23:      * @return  array|string
24:      */
25:     public static function getMessageTemplates($key = null)
26:     {
27:         $messageTemplates = array();
28: 
29:         if (is_string($key)) {
30:             return array_key_exists($key, $messageTemplates) ? $messageTemplates[$key] : null;
31:         }
32: 
33:         return $messageTemplates;
34:     }
35: 
36:     /**
37:      * Get the default config for this validator
38:      *
39:      * @param   string|null  $key  Get the config by key, if omitted the full config is returned
40:      * @return  array
41:      */
42:     public static function getDefaultConfig($key = null)
43:     {
44:         $config = apply_filters('quform_default_config_validator_honeypot', array());
45: 
46:         $config['type'] = 'honeypot';
47: 
48:         if (Quform::isNonEmptyString($key)) {
49:             return Quform::get($config, $key);
50:         }
51: 
52:         return $config;
53:     }
54: }
55: