php(date)

";
	//使用不同格式化字符测试输出效果
	echo date("Y年m月d日[l]H点i分s秒",$tt)."
";
	echo date("Y-m-d h:i:s",$tt)."
";
	echo date("Y-M-D H:I:S A",$tt)."
";
	echo date("F,d,y l",$tt)."
";
	echo date("Y-M-D H:I:S",$tt);
?>

";
	//将格式转化为UNIX时间戳
	$tp = strtotime($tm);
	echo "此时间的UNIX时间戳为：".$tp."
";
	$arl = getdate($tp);
	echo "年为".$arl["year"]."
";
	echo "月为".$arl["mon"]."
";
	echo "日为".$arl["mday"]."
";
	echo "点为".$arl["hours"]."
";
	echo "分为".$arl["minutes"]."
";
	echo "秒为".$arl["seconds"]."
";
?>

";
	echo(gmstrftime("%b,%d,%Y,%X",mktime(20,0,0,12,31,98)));
	echo "
";
	//输出当前日期，时间和时区
	echo(gmstrftime("It is %b on %d,%Y,%X time zone:%Z",time()));
	echo "
";*/
	
	$timestamp = mktime(0,0,0,3,31,2012);
	echo $timestamp;
	
?>

$timestampB){
		echo "三月时间戳大于一月的";
	}
	else if($timestampA<$timestampB){
		echo "三月小于一月";	
	}
	else{
		echo "相同";
	}
?>