date.class.php
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00001 <?php 00010 class helper_date extends object { 00011 00017 protected $timestamp; 00018 00024 protected $isNull = false; 00025 00026 protected function afterinit() { 00027 $this->timestamp = $this->cfg->timestamp; 00028 } 00029 00036 public function set($date, $type='date', $len=null) { 00037 $this->isNull = false; 00038 if (is_null($date) || empty($date) || $date == '0000-00-00') 00039 $this->isNull = true; 00040 else if ($type == 'timestamp') 00041 $this->timestamp = $date; 00042 else if ($type == 'date') 00043 $this->timestamp = strtotime($date); 00044 else if ($type == 'formatDate') { 00045 $format = $this->cfg->getInArray('formatDate', $len); 00046 $elts = array('h', 'i', 's', 'o', 'YYYY', 'YY', 'MMM', 'MM', 'M', 'D', 'EEE', 'EE'); 00047 $elts = array( 00048 'h'=>'([0-9]{1,2})', 00049 'i'=>'([0-9]{1,2})', 00050 's'=>'([0-9]{1,2})', 00051 'o'=>'([0-9]{4})', 00052 'YYYY'=>'([0-9]{4})', 00053 'YY'=>'([0-9]{2})', 00054 'MMM'=>'(.*)', 00055 'MM'=>'(.{3})', 00056 'M'=>'([0-9]{1,2})', 00057 'D'=>'([0-9]{1,2})' 00058 ); 00059 $pos = array(); 00060 $formatWork = $format; 00061 foreach($elts as $k=>$e) { 00062 $tmp = strpos($formatWork, $k); 00063 if ($tmp !== false) { 00064 $pos[$k] = $tmp; 00065 $formatWork = str_replace($k, str_repeat('Z', strlen($k)), $formatWork); 00066 } 00067 } 00068 $formatWork = str_replace(array_keys($elts), $elts, $format); 00069 asort($pos); 00070 preg_match('`'.$formatWork.'`', $date, $matches); 00071 if (!empty($matches)) { 00072 $ret = array(); 00073 $i=1; 00074 foreach($pos as $k=>$v) { 00075 $key = null; 00076 switch($k) { 00077 case 'YYYY': 00078 case 'YY': 00079 $ret['y'] = $matches[$i]; 00080 break; 00081 case 'MMM': 00082 case 'MM': 00083 $key = $k=='MMM'?'l':'m'; 00084 $j = 1; 00085 foreach($this->cfg->month as $vv) { 00086 if (strtolower($vv[$key]) == strtolower($matches[$i])) { 00087 $ret['m'] = $j; 00088 } 00089 $j++; 00090 } 00091 break; 00092 case 'M': 00093 $ret['m'] = $matches[$i]; 00094 break; 00095 case 'D': 00096 $ret['d'] = $matches[$i]; 00097 break; 00098 default: 00099 $ret[$k] = $matches[$i]; 00100 break; 00101 } 00102 $i++; 00103 } 00104 $this->setArray($ret); 00105 } 00106 } else if ($type == 'time') { 00107 $time = strtotime($date); 00108 $tmp = $this->getArray(); 00109 $this->set($tmp['y'].'-'.$tmp['m'].'-'.$tmp['d'], 'date'); 00110 $this->timestamp+= strtotime($date) - strtotime(date('Y-m-d')); 00111 } else { 00112 $tmp = $this->getArray(); 00113 $tmp[$type] = $date; 00114 $this->setArray($tmp); 00115 } 00116 } 00117 00123 public function getArray() { 00124 return array( 00125 'y'=>$this->get('y'), 00126 'm'=>$this->get('m'), 00127 'd'=>$this->get('d'), 00128 'l'=>$this->get('l'), 00129 'w'=>$this->get('w'), 00130 'h'=>$this->get('h'), 00131 'A'=>$this->get('A'), 00132 'H'=>$this->get('H'), 00133 'i'=>$this->get('i'), 00134 's'=>$this->get('s'), 00135 'o'=>$this->get('o') 00136 ); 00137 } 00138 00145 public function setArray(array $values) { 00146 $tmp = array_merge($this->getArray(), $values); 00147 $this->timestamp = strtotime($tmp['y'].'-'.$tmp['m'].'-'.$tmp['d'].' '.$tmp['h'].':'.$tmp['i'].':'.$tmp['s']); 00148 } 00149 00156 public function get($part=null) { 00157 if (is_null($part)) 00158 return $this->timestamp; 00159 switch($part) { 00160 case 'y': 00161 return date('Y', $this->timestamp); 00162 break; 00163 default: 00164 return date($part, $this->timestamp); 00165 break; 00166 } 00167 } 00168 00176 public function format($type=null, $len=null) { 00177 if ($this->isNull) 00178 return null; 00179 if (is_null($type)) 00180 $type = $this->cfg->getInArray('defaultFormat', 'type'); 00181 if (is_null($len)) 00182 $len = $this->cfg->getInArray('defaultFormat', 'len'); 00183 00184 $time = $this->getArray(); 00185 $form = $this->cfg->getInArray('format'.ucfirst($type), $len); 00186 if ($type == 'datetime') { 00187 $form = str_replace( 00188 array('date', 'time'), 00189 array( 00190 $this->cfg->getInArray('formatDate', $len), 00191 $this->cfg->getInArray('formatTime', $len), 00192 ), 00193 $form); 00194 } 00195 00196 $month = $this->cfg->getInArray('month', 'm'.intval($time['m'])); 00197 $day = $this->cfg->getInArray('day', 'd'.intval($time['w'])); 00198 $places = array( 00199 'H'=>str_pad($time['H'], 2, '0', STR_PAD_LEFT), 00200 'A'=>$time['A'], 00201 'h'=>str_pad($time['h'], 2, '0', STR_PAD_LEFT), 00202 'i'=>str_pad($time['i'], 2, '0', STR_PAD_LEFT), 00203 's'=>str_pad($time['s'], 2, '0', STR_PAD_LEFT), 00204 'o'=>($time['o'] <0? '-' : '+').str_pad($time['o'], 4, '0', STR_PAD_LEFT), 00205 'YYYY'=>$time['y'], 00206 'YY'=>substr($time['y'], -2), 00207 'MMM'=>$month['l'], 00208 'MM'=>$month['m'], 00209 'M'=>str_pad($time['m'], 2, '0', STR_PAD_LEFT), 00210 'D'=>str_pad($time['d'], 2, '0', STR_PAD_LEFT), 00211 'EEE'=>$day['l'], 00212 'EE'=>$day['m'], 00213 ); 00214 $intermediate = array(); 00215 $i = 0; 00216 foreach($places as $k=>$p) { 00217 $intermediate[$k] = '_|_'.$i.'_|_'; 00218 $i++; 00219 } 00220 00221 $ret = str_replace($intermediate, $places, str_replace(array_keys($intermediate), $intermediate, $form)); 00222 if ($this->cfg->htmlOut) 00223 $ret = utils::htmlOut($ret); 00224 return $ret; 00225 } 00226 00233 public function getJs($default='""') { 00234 if ($this->isNull) 00235 return $default; 00236 return 'new Date('.($this->timestamp*1000).')'; 00237 } 00238 00245 public function timeago(helper_date $d=null) { 00246 $timestamp = $this->get() - (is_null($d)? time() : $d->get()); 00247 $timestampAbs = abs($timestamp); 00248 00249 $timeago = $this->cfg->getInArray('timeago', ($timestamp < 0) ? '-' : '+'); 00250 $tmp = array(); 00251 $tmp['s'] = 1; 00252 $tmp['i'] = 60; 00253 $tmp['h'] = $tmp['i']*60; 00254 $tmp['d'] = $tmp['h']*24; 00255 $tmp['w'] = $tmp['d']*7; 00256 $tmp['m'] = $tmp['d']*30; 00257 $tmp['y'] = $tmp['d']*365; 00258 $tmp = array_reverse($tmp, true); 00259 00260 foreach($tmp as $k=>$v) { 00261 $nb = intval($timestampAbs/$v); 00262 if ($nb == 1) 00263 return sprintf($timeago[$k]['one'], 1); 00264 else if ($nb > 1) 00265 return sprintf($timeago[$k]['mul'], $nb); 00266 } 00267 00268 return $this->cfg->getInArray('timeago', 'now'); 00269 } 00270 00271 public function __toString() { 00272 return $this->format(); 00273 } 00274 00275 }
