Summary of common methods for displaying time in PHP

This article illustrates the common method of displaying time in PHP. Share to everyone for your reference. The specific analysis is as follows:

A, PHP function date () Get the current time

The code is as follows: <?php Echo $showtime =date ("y-m-d h:i:s");? >

displayed in the format: year-month-day hours: minutes: sec

Related parameters:

A: "AM" or "PM"

A: "AM" or "PM"

D: A few days, two digits, if less than two digits before 0, such as: "01" to "31"

D: Day of the week, three English letters, such as: "Fri"

F: Month, full name in English, such as: "January"

H:12 hours, such as: "01" to "12"

H: 24 Hours of hours, such as: "00" to "23"

G:12 hours, less than two-digit 0, such as: "1" to 12 "

G: 24 Hours of the hour, less than two digits do not fill 0, such as: "0" to "23"

I: minutes, such as: "00" to "59"

J: A few days, two digits, if less than two digits do not fill 0, such as: "1" to "31"

L: Day of the week, full name in English, such as: "Friday"

M: month, two digits, if less than two digits in front of 0; such as: "01" to "12"

N: month, two digits, if less than two digits, do not fill 0, such as: "1" to "12"

M: Month, three English letters;

s: seconds; such as: "00" to "59"

S: The end of the word plus English ordinal number, two English letters, such as: "th", "nd"

T: Specify the number of days of the month; for example: "28" to "31"

U: The total number of seconds

W: Number of days of the week, such as: "0" (Sunday) to "6" (Saturday)

Y: year, four digits; for example: "1999"

Y: Year, two digits; for example: "99"

Z: The first day of the year; For example: "0" to "365"

A solution to the 8-hour difference in the date () function in PHP5

Just add a definition before the output time: Date_default_timezone_set ("PRC");, Code:

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<?php date_default_timezone_set ("PRC"); echo Date ("y-m-d h:i:s");?>

Third, PHP to obtain the file creation time and the last modification time function

Filemtime (string filename): Returns the time when the file was last modified, false when an error occurred. Time is returned as a Unix timestamp and can be used for date ().

Filectime (string filename): Returns the time when the last inode was modified, or False if an error occurred. Time is returned in the form of a Unix timestamp.

Fileatime (string filename): Returns the time the file was last accessed, or False if an error occurred. Time is returned in the form of a Unix timestamp.

Four, PHP comparison two date difference days

Code:

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<?php Echo (Strtotime ("2008-08-24 00:00:00")-strtotime ("2008-08-08 00:00:00"))/86400;?>

I hope this article will help you with your PHP program design.