DateFormat PHP Class (php 处置日期)

代码：

<?phpclass FormatDate{    var $theTime;    function FormatDate($string)    {        	//Set constructor	        $this->theTime = $string;	}	//Returns numerical day	function Day() 	{	return date("j", $this->theTime); }		//Returns weekday	function WeekDay() 	{ 	return date("l", $this->theTime); }	//Returns full month	function Month()	{	return date("F", $this->theTime); }	//Returns short-hand month	function MonthShort() 	{ 	return date("M", $this->theTime); }	//Numeric for month	function MonthNum() 	{ 	return date("n", $this->theTime); }		//Full 4 digit year	function YearFull() 	{ 	return date("Y", $this->theTime); }	//Short 2 digit year	function Year() 	{ 	return date("y", $this->theTime); }	//24 Hr with Seconds	function MilitaryFull()	{	return date("G:i:s", $this->theTime); }	//24 Hr without Seconds	function Military()	{	return date("G:i", $this->theTime); }	//Standard with seconds	function StandardFull()	{	return date("g:i:s a", $this->theTime); }	//Standard without seconds	function Standard()	{	return date("g:i a", $this->theTime); }	//Date & Month & Year Full	function TextDate()	{	$string = $this->Month()." ".$this->Day()." ".$this->YearFull();					return $string;				}		//Date & Month & Year Shorthand	function TextDateShort(){	$string = $this->MonthShort()." ".$this->Day()." ".$this->Year();					return $string;				}	//Numerical Date & Month & Year	function NumDate()	{	$string = $this->MonthNum()."/".$this->Day()."/".$this->YearFull();					return $string;				}	//Numerical Date & Month & Year Shorthand	function NumDateShort()	{	$string = $this->MonthNum()."/".$this->Day()."/".$this->Year();					return $string;				}	//Month & Day Full	function MonthDay()	{	$string = $this->Month()." ".$this->Day();					return $string;				}	//Month & Day Short	function MonthDayShort(){	$string = $this->MonthShort()." ".$this->Day();					return $string;				}	function TimeSince($old_stamp) {		$difference = $this->theTime - $old_stamp;				$loop = true;		while($loop) {			if(round($difference/3153600, 2) >= 1) { return "Over a year..."; }			elseif(round($difference/2592000, 2) >= 2) { return "Over ".round($difference/2592000,0)." months ago..."; }				elseif(round($difference/2592000, 2) >= 1.20) { return "Over a month ago..."; }			elseif(round($difference/604800, 2) >= 2) { return "Over ".round($difference/604800,0)." weeks ago.."; }			elseif(round($difference/604800, 2) >= 1.20) { return "Over a week ago.."; }			elseif(round($difference/86400, 2) >= 1.9) { return "Over a few days ago...";}			elseif(round($difference/3600, 2) >= 3) { return "Just a few hours ago.."; }			elseif(round($difference/3600, 2) >= 8) { return "About half a day ago..."; }					elseif(round($difference/3600, 2) < 1) { return "Less than an hour ago..."; }			elseif(round($difference/86400, 2) < 1.9) { return "About a day ago..."; }			elseif(round($difference/86400, 2) < 6 ) { return "Less than a week ago..."; }			elseif(round($difference/604800, 2) < 1.20) { return "About a week ago.."; }			elseif(round($difference/2592000, 2) < 1.20) { return "About a month ago..."; }						else{ return "Error"; }			$loop = false;		}					}}

实例：

$date = new FormatDate(time());echo $date->Day().'<br>';// 2echo $date->WeekDay().'<br>';// Tuesdayecho $date->Month().'<br>';// Augustecho $date->MonthShort().'<br>';// Augecho $date->MonthNum().'<br>';// 8echo $date->YearFull().'<br>';// 2011echo $date->Year().'<br>';// 11echo $date->MilitaryFull().'<br>';// 9:08:40echo $date->Military().'<br>';// 9:08echo $date->StandardFull().'<br>';// 9:08:40 amecho $date->Standard().'<br>';// 9:08 amecho $date->TextDate().'<br>';// August 2 2011echo $date->TextDateShort().'<br>';// Aug 2 11echo $date->NumDate().'<br>';// 8/2/2011echo $date->NumDateShort().'<br>';// 8/2/11echo $date->MonthDay().'<br>';// August 2echo $date->MonthDayShort().'<br>';// Aug 2echo $date->TimeSince(time()).'<br>';// Less than an hour ago...

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DateFormat Class Documentation

Initialize Class
$date = new FormatDate(time());

Numerical Day
$date->Day();

Text Day
$date->WeekDay();

Month (Full)
$date->Month();

Month (Short)
$date->MonthShort();

Month (Numerical)
$date->MonthNum();

Year (Full)
$date->YearFull();

Year (Short)
$date->Year();

Military (Seconds)
$date->MilitaryFull();

Military (No seconds)
$date->Military();

Standard (Full)
$date->StandardFull();

Standard
$date->Standard();

Text Date (Full)
$date->TextDate();

Text Date (Short)
$date->TextDateShort();

Numerical Date (Full)
$date->NumDate();

Numerical Date (Short)
$date->NumDateShort();

Month and Day (Full)
$date->MonthDay();

Month and Day (Short)
$date->MonthDayShort();

Time Since
$date->TimeSince($timestamp);

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格式： http://php.net/manual/en/function.date.php

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