- 技术博客
- 时间类库
<?php
namespace jplt;
class Datetime {
protected $date;
protected $timezone;
protected $year;
protected $month;
protected $day;
protected $hour;
protected $minute;
protected $second;
protected $weekday;
protected $cWeekday;
protected $yDay;
protected $cMonth;
protected $CDATE;
protected $YMD;
protected $CTIME;
protected $Week = array("日","一","二","三","四","五","六");
public function __construct($date='') {
$this->date = $this->parse($date);
$this->setDate($this->date);
}
public function parse($date) {
if (is_string($date)) {
if (($date == "") || strtotime($date) == -1) {
$tmpdate = time();
} else {
$tmpdate = strtotime($date);
}
} elseif (is_null($date)) {
$tmpdate = time();
} elseif (is_numeric($date)) {
$tmpdate = $date;
} else {
if (get_class($date) == "Date") {
$tmpdate = $date->date;
} else {
$tmpdate = time();
}
}
return $tmpdate;
}
public function valid($date) {
}
public function setDate($date) {
$dateArray = getdate($date);
$this->date = $dateArray[0];
$this->second = $dateArray["seconds"];
$this->minute = $dateArray["minutes"];
$this->hour = $dateArray["hours"];
$this->day = $dateArray["mday"];
$this->month = $dateArray["mon"];
$this->year = $dateArray["year"];
$this->weekday = $dateArray["wday"];
$this->cWeekday = '星期'.$this->Week[$this->weekday];
$this->yDay = $dateArray["yday"];
$this->cMonth = $dateArray["month"];
$this->CDATE = $this->format("%Y-%m-%d");
$this->YMD = $this->format("%Y%m%d");
$this->CTIME = $this->format("%H:%M:%S");
return ;
}
public function format($format = "%Y-%m-%d %H:%M:%S") {
return strftime($format, $this->date);
}
public function isLeapYear($year='') {
if(empty($year)) {
$year = $this->year;
}
return ((($year % 4) == 0) && (($year % 100) != 0) || (($year % 400) == 0));
}
public function dateDiff($date, $elaps = "d") {
$__DAYS_PER_WEEK__ = (7);
$__DAYS_PER_MONTH__ = (30);
$__DAYS_PER_YEAR__ = (365);
$__HOURS_IN_A_DAY__ = (24);
$__MINUTES_IN_A_DAY__ = (1440);
$__SECONDS_IN_A_DAY__ = (86400);
$__DAYSELAPS = ($this->parse($date) - $this->date) / $__SECONDS_IN_A_DAY__ ;
switch ($elaps) {
case "y":
$__DAYSELAPS = $__DAYSELAPS / $__DAYS_PER_YEAR__;
break;
case "M":
$__DAYSELAPS = $__DAYSELAPS / $__DAYS_PER_MONTH__;
break;
case "w":
$__DAYSELAPS = $__DAYSELAPS / $__DAYS_PER_WEEK__;
break;
case "h":
$__DAYSELAPS = $__DAYSELAPS * $__HOURS_IN_A_DAY__;
break;
case "m":
$__DAYSELAPS = $__DAYSELAPS * $__MINUTES_IN_A_DAY__;
break;
case "s":
$__DAYSELAPS = $__DAYSELAPS * $__SECONDS_IN_A_DAY__;
break;
}
return $__DAYSELAPS;
}
public function timeDiff( $time ,$precision=false) {
if(!is_numeric($precision) && !is_bool($precision)) {
static $_diff = array('y'=>'年','M'=>'个月','d'=>'天','w'=>'周','s'=>'秒','h'=>'小时','m'=>'分钟');
return ceil($this->dateDiff($time,$precision)).$_diff[$precision].'前';
}
$diff = abs($this->parse($time) - $this->date);
static $chunks = array(array(31536000,'年'),array(2592000,'个月'),array(604800,'周'),array(86400,'天'),array(3600 ,'小时'),array(60,'分钟'),array(1,'秒'));
$count =0;
$since = '';
for($i=0;$i<count($chunks);$i++) {
if($diff>=$chunks[$i][0]) {
$num = floor($diff/$chunks[$i][0]);
$since .= sprintf('%d'.$chunks[$i][1],$num);
$diff = (int
)($diff-$chunks[$i][0]*$num);
$count++;
if(!$precision || $count>=$precision) {
break;
}
}
}
return $since.'前';
}
public function getDayOfWeek($n){
$week = array(0=>'sunday',1=>'monday',2=>'tuesday',3=>'wednesday',4=>'thursday',5=>'friday',6=>'saturday');
return (new Date($week[$n]));
}
public function firstDayOfWeek() {
return $this->getDayOfWeek(1);
}
public function firstDayOfMonth() {
return (new Date(mktime(0, 0, 0,$this->month,1,$this->year )));
}
public function firstDayOfYear() {
return (new Date(mktime(0, 0, 0, 1, 1, $this->year)));
}
public function lastDayOfWeek() {
return $this->getDayOfWeek(0);
}
public function lastDayOfMonth() {
return (new Date(mktime(0, 0, 0, $this->month + 1, 0, $this->year )));
}
public function lastDayOfYear() {
return (new Date(mktime(0, 0, 0, 1, 0, $this->year + 1)));
}
public function maxDayOfMonth() {
$result = $this->dateDiff(strtotime($this->dateAdd(1,'m')),'d');
return $result;
}
public function dateAdd($number = 0, $interval = "d") {
$hours = $this->hour;
$minutes = $this->minute;
$seconds = $this->second;
$month = $this->month;
$day = $this->day;
$year = $this->year;
switch ($interval) {
case "yyyy":
$year += $number;
break;
case "q":
$month += ($number*3);
break;
case "m":
$month += $number;
break;
case "y":
case "d":
case "w":
$day += $number;
break;
case "ww":
$day += ($number*7);
break;
case "h":
$hours += $number;
break;
case "n":
$minutes += $number;
break;
case "s":
$seconds += $number;
break;
}
return (new Date(mktime($hours,
$minutes,
$seconds,
$month,
$day,
$year)));
}
public function numberToCh($number) {
$number = intval($number);
$array = array('一','二','三','四','五','六','七','八','九','十');
$str = '';
if($number ==0) { $str .= "十" ;}
if($number < 10){
$str .= $array[$number-1] ;
}
elseif($number < 20 ){
$str .= "十".$array[$number-11];
}
elseif($number < 30 ){
$str .= "二十".$array[$number-21];
}
else{
$str .= "三十".$array[$number-31];
}
return $str;
}
public function yearToCh( $yearStr ,$flag=false ) {
$array = array('零','一','二','三','四','五','六','七','八','九');
$str = $flag? '公元' : '';
for($i=0;$i<4;$i++){
$str .= $array[substr($yearStr,$i,1)];
}
return $str;
}
public function magicInfo($type) {
$result = '';
$m = $this->month;
$y = $this->year;
$d = $this->day;
switch ($type) {
case 'XZ':
$XZDict = array('摩羯','宝瓶','双鱼','白羊','金牛','双子','巨蟹','狮子','处女','天秤','天蝎','射手');
$Zone = array(1222,122,222,321,421,522,622,722,822,922,1022,1122,1222);
if((100*$m+$d)>=$Zone[0]||(100*$m+$d)<$Zone[1])
$i=0;
else
for($i=1;$i<12;$i++){
if((100*$m+$d)>=$Zone[$i]&&(100*$m+$d)<$Zone[$i+1])
break;
}
$result = $XZDict[$i].'座';
break;
case 'GZ':
$GZDict = array(
array('甲','乙','丙','丁','戊','己','庚','辛','壬','癸'),
array('子','丑','寅','卯','辰','巳','午','未','申','酉','戌','亥')
);
$i= $y -1900+36 ;
$result = $GZDict[0][$i%10].$GZDict[1][$i%12];
break;
case 'SX':
$SXDict = array('鼠','牛','虎','兔','龙','蛇','马','羊','猴','鸡','狗','猪');
$result = $SXDict[($y-4)%12];
break;
}
return $result;
}
public function __toString() {
return $this->format();
}
}
