PHP 日期函数说明
Jun 23, 2016 pm 01:19 PM
在页面的最前页加上date_default_timezone_set(PRC); /*把时间调到北京时间,php5默认为格林威治标准时间*/date ()date():a: "am"或是"pm" A: "AM"或是"PM" d: 几日,两位数字,若不足则补零;从"01"至"31" D: 星期几,3个英文字母,如:"Fri" F: 月份,英文全名,如:"January" h: 12小时制的小时,从"01"至"12" H: 24小时制的小时,从"00"至"23" g: 12小时制的小时,不补零;从"1"至"12" G: 24小时制的小时,不补零;从"0"至"23" j: 几日,不足不被零;从"1"至"31" l: 星期几,英文全名,如:"Friday" m: 月份,两位数字,从"01"至"12" n: 月份,两位数字,不补零;从"1"至"12" M: 月份,3个英文字母;如:"Jan" s: 秒;从"00"至"59" S: 字尾加英文序数,两个英文字母,如:"21th" t: 指定月份的天数,从"28"至"31" U: 总秒数 w: 数字型的星期几,从"0(星期天)"至"6(星期六)" Y: 年,四位数字 y: 年,两位数字 z: 一年中的第几天;从"1"至"366"mktime()://函数返回一个日期的 Unix 时间戳。//参数总是表示 GMT 日期,因此 is_dst 对结果没有影响。mktime(hour,minute,second,month,day,year,is_dst)hour: 可选。规定小时。 minute: 可选。规定分钟。 second: 可选。规定秒。 month: 可选。规定用数字表示的月。 day: 可选。规定天。 year: 可选。规定年。在某些系统上,合法值介于 1901 - 2038 之间。不过在 PHP 5 中已经不存在这个限制了。 is_dst: 可选。如果时间在日光节约时间(DST)期间,则设置为1,否则设置为0,若未知,则设置为-1。 自 5.1.0 起,is_dst 参数被废弃。因此应该使用新的时区处理特性。
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