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Homephp教程php手册PHP date函数常用时间处理方法,date处理方法

PHP date函数常用时间处理方法,date处理方法

复制代码 代码如下:
echo "今天:".date("Y-m-d")."
";    
echo "昨天:".date("Y-m-d",strtotime("-1 day")), "
";    
echo "明天:".date("Y-m-d",strtotime("+1 day")). "
";

echo "一周后:".date("Y-m-d",strtotime("+1 week")). "
";    
echo "一周零两天四小时两秒后:".date("Y-m-d G:H:s",strtotime("+1 week 2 days 4 hours 2 seconds")). "
";    
echo "下个星期四:".date("Y-m-d",strtotime("next Thursday")). "
";    
echo "上个周一:".date("Y-m-d",strtotime("last Monday"))."
";    
echo "一个月前:".date("Y-m-d",strtotime("last month"))."
";    
echo "一个月后:".date("Y-m-d",strtotime("+1 month"))."
";    
echo "十年后:".date("Y-m-d",strtotime("+10 year"))."
";   
strtotime()函数的作用是将日期时间描述解析为 Unix 时间戳
int strtotime ( string time [, int now] )

PHP星期几获取代码:
复制代码 代码如下:
date("l");
//data就可以获取英文的星期比如Sunday
date("w");
//这个可以获取数字星期比如123,注意0是星期日

获取中文星期可以这样
复制代码 代码如下:
$weekarray=array("日","一","二","三","四","五","六");
echo "星期".$weekarray[date("w")];

获取指定日期是:
[code]
$weekarray=array("日","一","二","三","四","五","六");
echo "星期".$weekarray[date("w","2011-11-11")];

因为date函数非常强大,他完全可以胜任一切这样的工作我附个手册里的表吧


a - "am" 或是 "pm"
A - "AM" 或是 "PM"
d - 几日,二位数字,若不足二位则前面补零; 如: "01" 至 "31"
D - 星期几,三个英文字母; 如: "Fri"
F - 月份,英文全名; 如: "January"
h - 12 小时制的小时; 如: "01" 至 "12"
H - 24 小时制的小时; 如: "00" 至 "23"
g - 12 小时制的小时,不足二位不补零; 如: "1" 至 12"
G - 24 小时制的小时,不足二位不补零; 如: "0" 至 "23"
i - 分钟; 如: "00" 至 "59"
j - 几日,二位数字,若不足二位不补零; 如: "1" 至 "31"
l - 星期几,英文全名; 如: "Friday"
m - 月份,二位数字,若不足二位则在前面补零; 如: "01" 至 "12"
n - 月份,二位数字,若不足二位则不补零; 如: "1" 至 "12"
M - 月份,三个英文字母; 如: "Jan"
s - 秒; 如: "00" 至 "59"
S - 字尾加英文序数,二个英文字母; 如: "th","nd"
t - 指定月份的天数; 如: "28" 至 "31"
U - 总秒数
w - 数字型的星期几,如: "0" (星期日) 至 "6" (星期六)
Y - 年,四位数字; 如: "1999"
y - 年,二位数字; 如: "99"
z - 一年中的第几天; 如: "0" 至 "365"

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