1: <?php
  2: 
  3: /**
  4:  * PhpOptions
  5:  * @link https://github.com/masicek/PhpOptions
  6:  * @author Viktor Mašíček <viktor@masicek.net>
  7:  * @license "New" BSD License
  8:  */
  9: 
 10: namespace PhpOptions\Types;
 11: 
 12: require_once __DIR__ . '/AType.php';
 13: 
 14: /**
 15:  * Time type
 16:  *
 17:  * Format: HOURS[(-|:)MINUTES[(-|:)SECONDS]][ HOURS_FORMAT]
 18:  * HOURS = one-digit or two-digit number
 19:  * MINUTES = one-digit or two-digit number
 20:  * SECONDS = one-digit or two-digit number
 21:  * HOURS_FORMAT = hour format = (AM|am|A|a|PM|pm|P|p)
 22:  *
 23:  * @author Viktor Mašíček <viktor@masicek.net>
 24:  */
 25: class TimeType extends AType
 26: {
 27: 
 28: 
 29:     /**
 30:      * Check type of value.
 31:      *
 32:      * @param mixed $value Checked value
 33:      *
 34:      * @return bool
 35:      */
 36:     public function check($value)
 37:     {
 38:         $dateString = $this->getTimeString($value);
 39: 
 40:         $isDate = FALSE;
 41:         if ($dateString)
 42:         {
 43:             // check validation
 44:             try {
 45:                 $dateObj = new \DateTime($dateString);
 46:                 $isDate = ($dateObj) ? TRUE : FALSE;
 47:             } catch (\Exception $e) {
 48:                 $isDate = FALSE;
 49:             }
 50:         }
 51: 
 52:         return $isDate;
 53:     }
 54: 
 55: 
 56:     /**
 57:      * Return modified value
 58:      *
 59:      * @param mixed $value Filtered value
 60:      *
 61:      * @return mixed
 62:      */
 63:     protected function useFilter($value)
 64:     {
 65:         return $this->getTimeString($value);
 66:     }
 67: 
 68: 
 69:     /**
 70:      * Return input date formated for DateTime object.
 71:      *
 72:      * @param string $value
 73:      *
 74:      * @return string
 75:      */
 76:     private function getTimeString($value)
 77:     {
 78:         // parse value
 79:         $match = preg_match('/^([0-9]{1,2})([-:]([0-9]{1,2})([-:]([0-9]{1,2}))?)?( *(AM|am|A|a|PM|pm|P|p))?$/', $value, $matches);
 80:         $date = '';
 81:         if ($match)
 82:         {
 83:             // prepare date string
 84:             $hours = $this->complete(isset($matches[1]) ? $matches[1] : '');
 85:             $minutes = $this->complete(isset($matches[3]) ? $matches[3] : '');
 86:             $seconds = $this->complete(isset($matches[5]) ? $matches[5] : '');
 87:             $hoursFormat = isset($matches[7]) ? $matches[7] : '';
 88:             if (strlen($hoursFormat) == 1)
 89:             {
 90:                 $hoursFormat = $hoursFormat . 'M';
 91:             }
 92:             $hoursFormat = strtoupper($hoursFormat);
 93:             $date = $hours . ':' . $minutes . ':' . $seconds . $hoursFormat;
 94:         }
 95: 
 96:         return $date;
 97:     }
 98: 
 99: 
100:     /**
101:      * Add zero if input value have only one character
102:      * Return two zero '00' if input value have not any character
103:      *
104:      * @param string $value
105:      *
106:      * @return string
107:      */
108:     private function complete($value)
109:     {
110:         $length = strlen($value);
111:         if ($length == 1)
112:         {
113:             $value = '0' . $value;
114:         }
115:         elseif ($length == 0)
116:         {
117:             $value = '00';
118:         }
119: 
120:         return $value;
121:     }
122: 
123: 
124: }
125: