How to convert timestamp to date in php

青灯夜游
Release: 2023-03-08 22:18:02
Original
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In PHP, you can use the date() function to convert a timestamp into a date. The syntax format is "date(format, timestamp)". The parameter format indicates the date format to be converted, such as "Y-m-d H :i:s". date() can format a timestamp and return a formatted date string.

How to convert timestamp to date in php

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

php timestamp to date

<?php
var_dump(date(&#39;Y-m-d H:i:s&#39;, 1616496304)); 
?>
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Output:

string &#39;2021-03-23 18:45:04&#39; (length=19)
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Related function introduction:

date() function formats the local date and time and returns Formatted date string. The syntax is as follows:

date(format,timestamp);
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Returns the string generated by converting the integer timestamp according to the given format string. If no timestamp is given, the local current time is used. In other words, timestamp is optional and the default value is time().

Required. Specifies the format of the output date string. The following characters are available: Optional. Specifies an integer Unix timestamp. The default is the current local time (time()).
ParametersDescription
##format
    d - day of the month (from 01 to 31)
  • D - textual representation of the day of the week (in three letters)
  • j - Day of the month without leading zeros (1 to 31)
  • l (lowercase 'L') - Full textual representation of the day of the week
  • N - ISO-8601 numeric representation of the day of the week (1 for Monday, 7 for Sunday)
  • S ​​- English ordinal suffix for the day of the month (2 characters : st, nd, rd or th. Used with j)
  • w - Numerical representation of the day of the week (0 represents Sunday [Sunday], 6 represents Saturday [Saturday])
  • z - Day of the year (from 0 to 365)
  • W - Represents the day of the year in ISO-8601 number format (week starts with Monday)
  • F - Full textual representation of the month (January to December)
  • m - Numerical representation of the month (from 01 to 12)
  • M - Month A short text representation (in three letters) of
  • n - the numeric representation of the month without leading zeros (1 to 12)
  • t - the number of days contained in a given month
  • L - Whether it is a leap year (1 if it is a leap year, 0 otherwise)
  • o - The year number under the ISO-8601 standard
  • Y - The four-digit year Represents
  • y - Two-digit representation of the year
  • a - Represents lowercase: am or pm
  • A - Represents uppercase: AM or PM
  • B - Swatch Internet Time (000 to 999)
  • g - 12-hour clock without leading zeros (1 to 12)
  • G - 24-hour clock without leading zeros (0 to 23)
  • h - 12-hour clock with leading zeros (01 to 12)
  • H - 24-hour clock with leading zeros (00 to 23)
  • i - Minutes, with leading zeros (00 to 59)
  • s - Seconds, with leading zeros (00 to 59)
  • u - Microseconds (new in PHP 5.2.2)
  • e - Time zone identifier (e.g. UTC, GMT, Atlantic/Azores)
  • I (uppercase i) - Whether the date is in daylight saving time (1 if it is, 0 otherwise)
  • O - Difference in Greenwich Mean Time (GMT), in hours (Example: 0100)
  • P - Difference in Greenwich Mean Time (GMT), Units are hours:minutes (new in PHP 5.1.3)
  • T - abbreviation for time zone (examples: EST, MDT)
  • Z - time zone offset in seconds . Negative time zone offsets west of UTC (-43200 to 50400)
  • c - ISO-8601 standard dates (e.g. 2013-05-05T16:34:42 00:00)
  • r - A date in RFC 2822 format (e.g. Fri, 12 Apr 2013 12:01:05 0200)
  • U - The number of seconds elapsed since the Unix epoch (January 1 1970 00:00:00 GMT)
Also, you can also use the following predefined constants (available starting from PHP 5.1.0):

    DATE_ATOM - Atom (for example: 2013-04-12T15:52:01 00:00)
  • DATE_COOKIE - HTTP Cookies (Example: Friday, 12-Apr-13 15:52:01 UTC)
  • DATE_ISO8601 - ISO-8601 (Example: 2013-04-12T15 :52:01 0000)
  • DATE_RFC822 - RFC 822 (Example: Friday, 12 Apr 13 15:52:01 0000)
  • DATE_RFC850 - RFC 850 (Example: Friday, 12-Apr- 13 15:52:01 UTC)
  • DATE_RFC1036 - RFC 1036 (Example: Fri, 12 Apr 13 15:52:01 0000)
  • DATE_RFC1123 - RFC 1123 (Example: Fri, 12 Apr 2013 15:52:01 0000)
  • DATE_RFC2822 - RFC 2822 (Fri, 12 Apr 2013 15:52:01 0000)
  • DATE_RFC3339 - Same as DATE_ATOM (as of PHP 5.1.3)
  • DATE_RSS - RSS (Fri, 12 Aug 2013 15:52:01 0000)
  • DATE_W3C - World Wide Web Consortium (Example: 2013-04-12T15:52:01 00:00)
timestamp
Note: The case distinction of format is very important

<?php
var_dump(date(&#39;Y-m-d H:i:s&#39;, 1616496304)); //H 24小时制 2021-03-23 18:45:04
var_dump(date(&#39;Y-m-d h:i:s&#39;, 1616496304)); //h 12小时制 2021-03-23 06:45:04
?>
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