How to get today's, yesterday's and tomorrow's dates in PHP

The function of

<?php  
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() function is to parse the date and time description into a Unix timestamp

int strtotime ( string time [, int now] )

PHP day of the week acquisition code:

1. date(" l");

//Data can get the English day of the week, such as Sunday

2. date("w");

//This can get the numeric day of the week, such as Sunday 123, note that 0 is Sunday

To get the Chinese weekday, you can do this

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

Get the specified date:

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

Because date The function is very powerful, and it can handle all such tasks. I’ll attach the table in the manual.

a - "am" or "pm"

A - "AM" Or "PM"

d - day, two digits, if there are less than two digits, add zero in front; such as: "01" to "31"

D - day of the week, Wednesday English letters; such as: "Fri"

F - month, full English name; such as: "January"

h - hour in 12-hour format; such as: "01" to "12 "

H - hour in 24-hour format; such as: "00" to "23"

g - hour in 12-hour format, no zeros are added for less than two digits; such as: "1" to 12"

G - hours in 24-hour format, no zeros are added for 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; For example: "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 an English ordinal number at the end of the word, two English letters; such as: "th", "nd"

t - specify the number of days in the month; such as : "28" to "31"

U - Total seconds

w - Numeric 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 - the day of the year Day; such as: "0" to "365"

The above introduces in detail the method of getting the day of the week in PHP and the introduction of the date function. Please give it a try.

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