1: <?php
  2: /** 
  3:  * 
  4:  * @package Thaidate
  5:  * @version 2.0
  6:  * @author Vee W.
  7:  * @license http://opensource.org/licenses/MIT
  8:  * 
  9:  */
 10: 
 11: namespace Rundiz\Thaidate;
 12: 
 13: /**
 14:  * Format date in Thai locale.
 15:  */
 16: class Thaidate
 17: {
 18: 
 19: 
 20:     /**
 21:      * Use Buddhist Era? (พ.ศ.)
 22:      * @var boolean Set to true to use or false not to use.
 23:      */
 24:     public $buddhist_era = true;
 25: 
 26:     /**
 27:      * Locale to use in setlocale() function. Some server support different locales, with .UTF8, or without .UTF8. Detect and use at your own.
 28:      * @var type 
 29:      */
 30:     public $locale = 'th';
 31: 
 32:     public $month_long = array('มกราคม', 'กุมภาพันธ์', 'มีนาคม', 'เมษายน', 'พฤษภาคม', 'มิถุนายน', 'กรกฎาคม', 'สิงหาคม', 'กันยายน', 'ตุลาคม', 'พฤศจิกายน', 'ธันวาคม');
 33:     public $month_short = array('ม.ค.', 'ก.พ.', 'มี.ค.', 'เม.ย.', 'พ.ค.', 'มิ.ย.', 'ก.ค.', 'ส.ค.', 'ก.ย.', 'ต.ค.', 'พ.ย.', 'ธ.ค.');
 34: 
 35:     public $day_long = array('อาทิตย์', 'จันทร์', 'อังคาร', 'พุธ', 'พฤหัสบดี', 'ศุกร์', 'เสาร์');
 36:     public $day_short = array('อา.', 'จ.', 'อ.', 'พ.', 'พฤ.', 'ศ.', 'ส.');
 37: 
 38: 
 39:     /**
 40:      * Thai date() function.
 41:      * 
 42:      * @param string $format The format as same as PHP date function format. See http://php.net/manual/en/function.date.php
 43:      * @param integer $timestamp The optional timestamp is an integer Unix timestamp.
 44:      * @return string Return the formatted date/time string.
 45:      */
 46:     public function date($format, $timestamp = '')
 47:     {
 48:         if ($timestamp == null) {
 49:             $timestamp = time();
 50:         }
 51: 
 52:         // if use Buddhist era, convert the year.
 53:         if ($this->buddhist_era === true) {
 54:             if (mb_strpos($format, 'o') !== false) {
 55:                 $year = (date('o', $timestamp)+543);
 56:                 $format = str_replace('o', $year, $format);
 57:             } elseif (mb_strpos($format, 'Y') !== false) {
 58:                 $year = (date('Y', $timestamp)+543);
 59:                 $format = str_replace('Y', $year, $format);
 60:             } elseif (mb_strpos($format, 'y') !== false) {
 61:                 $year = (date('y', $timestamp)+43);
 62:                 $format = str_replace('y', $year, $format);
 63:             }
 64:             unset($year);
 65:         }
 66: 
 67:         // replace format that will be convert month into name (F, M) to Thai.
 68:         if (mb_strpos($format, 'F') !== false || mb_strpos($format, 'M') !== false) {
 69:             $month_num = (date('n', $timestamp)-1);
 70:             if (mb_strpos($format, 'F') !== false && array_key_exists($month_num, $this->month_long)) {
 71:                 $format = str_replace('F', $this->month_long[$month_num], $format);
 72:             } elseif (mb_strpos($format, 'M') !== false && array_key_exists($month_num, $this->month_short)) {
 73:                 $format = str_replace('M', $this->month_short[$month_num], $format);
 74:             }
 75:             unset($month_num);
 76:         }
 77: 
 78:         // replace format that will be convert day into name (D, l) to Thai.
 79:         if (mb_strpos($format, 'l') !== false || mb_strpos($format, 'D') !== false) {
 80:             $day_num = date('w', $timestamp);
 81:             if (mb_strpos($format, 'l') !== false && array_key_exists($day_num, $this->day_long)) {
 82:                 $format = str_replace('l', $this->day_long[$day_num], $format);
 83:             } elseif (mb_strpos($format, 'D') !== false && array_key_exists($day_num, $this->day_short)) {
 84:                 $format = str_replace('D', $this->day_short[$day_num], $format);
 85:             }
 86:             unset($day_num);
 87:         }
 88: 
 89:         return date($format, $timestamp);
 90:     }// date
 91: 
 92: 
 93:     /**
 94:      * Thai date use strftime() function.
 95:      * 
 96:      * @param string $format The format as same as PHP date function format. See http://php.net/manual/en/function.strftime.php
 97:      * @param integer $timestamp The optional timestamp is an integer Unix timestamp.
 98:      * @return string Return the formatted date/time string.
 99:      */
100:     public function strftime($format, $timestamp = '')
101:     {
102:         if ($timestamp == null) {
103:             $timestamp = time();
104:         }
105: 
106:         setlocale(LC_TIME, $this->locale);
107: 
108:         // if use Buddhist era, convert the year (y, Y).
109:         if ($this->buddhist_era === true) {
110:             if (mb_strpos($format, '%Y') !== false) {
111:                 $year = (strftime('%Y', $timestamp)+543);
112:                 $format = str_replace('%Y', $year, $format);
113:             } elseif (mb_strpos($format, '%y') !== false) {
114:                 $year = (strftime('%y', $timestamp)+43);
115:                 $format = str_replace('%y', $year, $format);
116:             }
117:             unset($year);
118:         }
119: 
120:         $converted_datetime = strftime($format, $timestamp);
121:         $detect_encoding = mb_detect_encoding($converted_datetime, mb_detect_order(), true);
122:         return iconv($detect_encoding, 'UTF-8', $converted_datetime);
123:     }// strftime
124: 
125: 
126: }