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 a valid datetime
 13:  *
 14:  * @author      Twin Huang <twinhuang@qq.com>
 15:  */
 16: class DateTime extends BaseValidator
 17: {
 18:     /**
 19:      * Message occurred when thrown "Failed to parse time string" exception
 20:      *
 21:      * @var string
 22:      */
 23:     protected $invalidMessage = '%name% must be a valid datetime';
 24: 
 25:     /**
 26:      * Message occurred when datetime format not match "format" property
 27:      *
 28:      * @var string
 29:      */
 30:     protected $formatMessage = '%name% must be a valid datetime, the format should be "%format%", e.g. %example%';
 31: 
 32:     /**
 33:      * The error message for "before" property
 34:      *
 35:      * @var string
 36:      */
 37:     protected $tooLateMessage = '%name% must be earlier than %before%';
 38: 
 39:     /**
 40:      * The error message for "after" property
 41:      *
 42:      * @var string
 43:      */
 44:     protected $tooEarlyMessage = '%name% must be later than %after%';
 45: 
 46:     protected $negativeMessage = '%name% must not be a valid datetime';
 47: 
 48:     /**
 49:      * The Datetime format string
 50:      *
 51:      * @link http://www.php.net/manual/en/datetime.createfromformat.php
 52:      * @var string
 53:      */
 54:     protected $format = null;
 55: 
 56:     /**
 57:      * @var string
 58:      */
 59:     protected $before;
 60: 
 61:     /**
 62:      * @var string
 63:      */
 64:     protected $after;
 65: 
 66:     /**
 67:      * The example datetime parameter for error message
 68:      *
 69:      * @var string
 70:      */
 71:     protected $example;
 72: 
 73:     /**
 74:      * {@inheritdoc}
 75:      */
 76:     public function __invoke($input, $format = null)
 77:     {
 78:         // Options
 79:         if (is_array($format)) {
 80:             $this->storeOption($format);
 81:         } elseif ($format) {
 82:             $this->storeOption('format', $format);
 83:         }
 84: 
 85:         return $this->isValid($input);
 86:     }
 87: 
 88:     /**
 89:      * {@inheritdoc}
 90:      */
 91:     protected function doValidate($input)
 92:     {
 93:         if (!$this->isString($input)) {
 94:             $this->addError('notString');
 95:             return false;
 96:         }
 97: 
 98:         if ($this->format) {
 99:             $date = date_create_from_format($this->format, $input);
100:         } else {
101:             $date = date_create($input);
102:         }
103: 
104:         $lastErrors = date_get_last_errors();
105:         if ($lastErrors['warning_count'] || $lastErrors['error_count']) {
106:             $this->addError('invalid');
107:             return false;
108:         }
109: 
110:         if ($this->before) {
111:             $before = date_create($this->before);
112:             if ($before < $date) {
113:                 $this->addError('tooLate');
114:             }
115:         }
116: 
117:         if ($this->after) {
118:             $after = date_create($this->after);
119:             if ($after > $date) {
120:                 $this->addError('tooEarly');
121:             }
122:         }
123: 
124:         return !$this->errors;
125:     }
126: }
127: