This stuff is available all over the street, but I really don’t think there is a clear and complete article. I will write it down and use it as a memo.
date ()<br>Y: 年,四位数字<br>y: 年,两位数字<br><br>F: 月份,英文全名,如:"January"<br>m: 月份,两位数字,从"01"至"12"<br>n: 月份,两位数字,不补零;从"1"至"12"<br>M: 月份,3个英文字母;如:"Jan"<br>S: 字尾加英文序数,两个英文字母,如:"21th"<br><br>d: 几日,两位数字,若不足则补零;从"01"至"31"<br>j: 几日,不足不被零;从"1"至"31"<br><br>D: 星期几,3个英文字母,如:"Fri"<br>l: 星期几,英文全名,如:"Friday"<br>w: 数字型的星期几,从"0(星期天)"至"6(星期六)"<br><br>h: 12小时制的小时,从"01"至"12"<br>H: 24小时制的小时,从"00"至"23"<br>g: 12小时制的小时,不补零;从"1"至"12"<br>G: 24小时制的小时,不补零;从"0"至"23"<br><br>s: 秒;从"00"至"59"<br><br>a: "am"或是"pm"<br>A: "AM"或是"PM"<br><br>r: 表示RFC822日期(Tue, 06 Feb 2007 14:25:52 +0000)<br>c: ISO8601日期,日期格式为YYYY-MM-DD,用字母T来间隔日期和时间,时间格式为HH:MM:SS,时区使用格林威治标准时间(GMT)的偏差来表示。(2007-02-06T14:24:43+00:00)<br>I: 是否为夏令时<br>T: 服务器的时间区域设置<br>L: 是否为闰年<br>W: 一年中的星期数<br>t: 指定月份的天数,从"28"至"31"<br>U: 总秒数(时间戳)<br>z: 一年中的第几天;从"1"至"366"
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