A brief description of the PHP date function and how to obtain the specified time

This article mainly introduces a brief description of the PHP date function and the method of obtaining the set time. Interested friends can refer to it. I hope it will be helpful to everyone.

The code is as follows:

echo "今天:".date("Y-m-d")."<br>";     
echo "昨天:".date("Y-m-d",strtotime("-1 day")), "<br>";     
echo "明天:".date("Y-m-d",strtotime("+1 day")). "<br>";
echo "一周后:".date("Y-m-d",strtotime("+1 week")). "<br>";     
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")). "<br>";     
echo "下个星期四:".date("Y-m-d",strtotime("next Thursday")). "<br>";     
echo "上个周一:".date("Y-m-d",strtotime("last Monday"))."<br>";     
echo "一个月前:".date("Y-m-d",strtotime("last month"))."<br>";     
echo "一个月后:".date("Y-m-d",strtotime("+1 month"))."<br>";     
echo "十年后:".date("Y-m-d",strtotime("+10 year"))."<br>";    
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 Get the day of the week code:

The code is as follows:

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

You can get the Chinese day of the week like this

The code is as follows:

$weekarray=array("日","一","二","三","四","五","六");
echo "星期".$weekarray[date("w")];

Getting the specified date is:

$weekarray=array("日","一","二","三","四","五","六");
echo "星期".$weekarray[date("w","2011-11-11")];

Because the date function is very powerful, it can do all such work. I will attach a table in the manual

a - "am" or "pm"
A - "AM" or "PM"
d - Day, two digits, if there are less than two digits, please fill in the front Zero; such as: "01" to "31"
D - day of the week, three English letters; such as: "Fri"
F - month, full English name; such as: "January"
h - Hours in 12-hour format; such as: "01" to "12"
H - hours in 24-hour format; such as: "00" to "23"
g - hours in 12-hour format, no less than two digits are allowed Zero padding; such as: "1" to 12"
G - 24-hour hour, no zero padding if there are less than two digits; such as: "0" to "23"
i - minutes; such as: "00" to "59"
j - day, two digits, if there are less than two digits, do not add zeros; such as: "1" to "31"
l - day of the week, full English name; such as: "Friday"
m - month, two digits, if there are less than two digits, add zeros in front; such as: "01" to "12"
n - month, two digits, if there are less than two digits, no zeros will be added; Such as: "1" to "12"
M - month, three English letters; such as: "Jan"
s - seconds; such as: "00" to "59"
S - add the suffix English ordinal number, two English letters; such as: "th", "nd"
t - the number of days in the specified month; such as: "28" to "31"
U - the total number of seconds
w - number Type of day of the week, such as: "0" (Sunday) to "6" (Saturday)
Y - year, four digits; such as: "1999"
y - year, two digits; such as: " 99"
z - Day of the year; such as: "0" to "365"

Summary: The above is the entire content of this article, I hope it can help Everyone’s learning is helpful.

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