PHP Check Date function checkdate Usage instance, checkdate instance
This example describes the PHP check date function checkdate usage. Share to everyone for your reference. The specific analysis is as follows:
You can use the Checkdate function
In php, the date () function can be used to obtain the time and date. It may be commonly used as the year, month, and day. Next I will share with you the date () function () function 1 is an unknown parameter.
Date () function
This function is
First, MySQL gets the current date time function1.1 Get the current date + time (date + times) function: Now ()Mysql> Select Now (); +---------------------+| Now () |+---------------------+| 2015-01-22 22:20:46
Get one months of days: first to the date of the last day of the one month, by using the SQL Server Date function day () to get the "days" part of the dateNumber of days to get February 2008:Select Day (CAST (' 2008-03-01 ' as DateTime)-1)Get the
Give a simple date exampleI will use the echo command to output the content to our client (browser). I will use the following code as the base code.
The code is as follows
Copy Code
getting started with dates in php5Date_
Use the function date () to implement the displayed in the format: year-month-day hours: minutes: secRelated Time parameters:A-"AM" or "PM"A-"AM" or "PM"D-A few days, two digits, if less than two digits before the 0; such as: "01" to "31"D-Days of
get one months of days: first to the date of the last day of the one month, by using the SQL Server Date function day () to get the "days" part of the date Number of days to get February 2008:Select Day (CAST (' 2008-03-01 ' as DateTime)-1) Get the
Summary of how to use the Date () Date function in PHP. The format parameter description is required for the syntax date (format, timestamp. The format of the specified timestamp. Optional. The specified timestamp. The default value is the current
PHP Date function Parameters detailed font: [Increase decrease] Type: Reprint time () in PHP is to get a number, this number indicates how many seconds from 1970-01-01 to now, it's strangeBut it's easy to calculate,To find out the day before is time
When PHP versions later than PHP5.3 are used, a PHPWarning: date () [function. date]: Response. Youare * required * tousethedate. timezonesettingorthedate_default_timezone_set
When PHP versions later than PHP5.3 are used, a PHP Warning: date ()
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}?>This PHP communicates with the flex through AMF, and I debug to find out that as long as there is a date () function, Flex returns with an error. AMF is the 2.1.1 version, I can't think of this problem again and again a.php
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Of course, the date function of PHP is not possible to directly output the date of the Chinese, but you can use the following method to write a function.
The code is as follows
Copy Code
function today ()
1. Date and time functions in SQL Server1. Current system date, timeSelect GETDATE ()2. DateAdd returns a new datetime value based on adding a period of time to the specified dateExample: Add 2 days to the dateSelect DATEADD (day,2, ' 2004-10-15 ')--
To get the day of the week, you need to use the DATE function in SQL Server: Datename ().Today is the day of the week, Example 1: Set Language N ' 中文版 ' select Datename (Weekday, GETDATE ()) WednesdayToday is the day of the week, Example 2:
PHP Date function common time processing method, date processing method
Copy the Code code as follows:echo "Today:". Date ("y-m-d"). "";echo "Yesterday:". Date ("Y-m-d", Strtotime ("-1 Day")), "";echo "Tomorrow:". Date ("Y-m-d", Strtotime ("+1 Day")
The original address of this addressOutline:1. Introduction2. Code examples3. References1. Introduction
See a piece of code today$timeNew Date Strtotime ($oldTime));Feel a little confused, query the PHP manual, Date function, organized as
PHP communicates with Flex through AMF, and I debug the discovery that, as long as there is a date () function, Flex returns an error
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Class Edit_img{ function Gmtime () { $temp = Date (' Z '); return $temp; }
}
?>
This PHP
SQL Advanced (7) Date function SQL dates when we work on dates, the hardest task is to make sure that the date is inserted in a format that matches the format of the date column in the database.As long as the data contains only the date parts,
Common date functions
SQL Server time and date function detailed, SQL Server, time, date,
1. Current system date, time
Select GETDATE ()
2. DateAdd returns a new datetime value on the basis of adding a period of time to the specified date
For
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