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  • php中DateTime的format格式以及 TtoDatetime函数

    Definition and Usage

    The date() function formats a local time/date.

    Syntaxdate(format,timestamp)
    ParameterDescriptionformat Required. Specifies how to return the result:

    • d - The day of the month (from 01 to 31)
    • D - A textual representation of a day (three letters)
    • j - The day of the month without leading zeros (1 to 31)
    • l (lowercase 'L') - A full textual representation of a day
    • N - The ISO-8601 numeric representation of a day (1 for Monday through 7 for Sunday)
    • S - The English ordinal suffix for the day of the month (2 characters st, nd, rd or th. Works well with j)
    • w - A numeric representation of the day (0 for Sunday through 6 for Saturday)
    • z - The day of the year (from 0 through 365)
    • W - The ISO-8601 week number of year (weeks starting on Monday)
    • F - A full textual representation of a month (January through December)
    • m - A numeric representation of a month (from 01 to 12)
    • M - A short textual representation of a month (three letters)
    • n - A numeric representation of a month, without leading zeros (1 to 12)
    • t - The number of days in the given month
    • L - Whether it's a leap year (1 if it is a leap year, 0 otherwise)
    • o - The ISO-8601 year number
    • Y - A four digit representation of a year
    • y - A two digit representation of a year
    • a - Lowercase am or pm
    • A - Uppercase AM or PM
    • B - Swatch Internet time (000 to 999)
    • g - 12-hour format of an hour (1 to 12)
    • G - 24-hour format of an hour (0 to 23)
    • h - 12-hour format of an hour (01 to 12)
    • H - 24-hour format of an hour (00 to 23)
    • i - Minutes with leading zeros (00 to 59)
    • s - Seconds, with leading zeros (00 to 59)
    • e - The timezone identifier (Examples: UTC, Atlantic/Azores)
    • I (capital i) - Whether the date is in daylights savings time (1 if Daylight Savings Time, 0 otherwise)
    • O - Difference to Greenwich time (GMT) in hours (Example: +0100)
    • T - Timezone setting of the PHP machine (Examples: EST, MDT)
    • Z - Timezone offset in seconds. The offset west of UTC is negative, and the offset east of UTC is positive (-43200 to 43200)
    • c - The ISO-8601 date (e.g. 2004-02-12T15:19:21+00:00)
    • r - The RFC 2822 formatted date (e.g. Thu, 21 Dec 2000 16:01:07 +0200)
    • U - The seconds since the Unix Epoch (January 1 1970 00:00:00 GMT)

    timestampOptional.

    example:

      function TtoDatetime($text){
            $myDatetimeStr=Date('Y',strtotime($text))."-".Date('m',strtotime($text))."-".Date('d',strtotime($text))." ".Date('H',strtotime($text)).":".Date('i',strtotime($text)).":".Date('s',strtotime($text));
            return $myDatetimeStr;
           }

    echo $text;

    echo TtoDatetime($text);

    result:

    "01/07/2012 13:44",2012-01-07 13:44:00

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  • 原文地址:https://www.cnblogs.com/penciler/p/4381227.html
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