Guide:Capital Y represents a four-digit year, while lowercase y represents a two-digit number for the year;Lowercase m represents the number of months (with leading), while lowercase n indicates the number of months without leading.echo Date ('
PHP provides functions to easily convert various forms of dates to timestamps, which are mainly: Strtotime (): Resolves the date-time description of any English text to a timestamp. Mktime (): Gets the timestamp from the date. strtotime ()
The
PHP Week to get code:Date ("L"); Data will be available for English week like SundayDate ("W"); This can get a digital week like 123, note 0 is Sunday
Get Chinese day of the week:$weekarray =array ("Day", "one", "two", "three", "four", "five", "six")
1, year-month-dayecho Date (' y-m-j ');
2007-02-6
echo Date (' y-n-j ');
07-2-6
Capital Y represents a four-digit year, while lowercase y represents a two-digit number for the year;
Lowercase m represents the number of months (with leading), while
Time (): Returns the current UNIX timestamp; date (): formats a local timestamp; Mktime (time, minute, second, month, day, year): Gets a timestamp of a date; Strtotime (): Resolves the datetime description of any English text to a Unix timestamp
Date ("Y-m-d", Time ()) gets a string of times in a particular format. Time () is a timestamp value, or it can be omitted, the default current time. You can also fill in the value.All functions in PHP are in the Unix era, starting January 1, 1970.
PHPdate (& quot; Y-m-dH: I: s & quot;); get the current time difference of 8 hours solution (convert) PHPdate (Y-m-dH: I: when the time difference between the current and current time is 8 minutes, the swill will be able to cancel the resolution.
PHPdate (& quot; Y-m-dH: I: s & quot;); get the current time difference of 8 hours solution (convert) PHPdate (Y-m-dH: I: when the time difference between the current and current time is 8 minutes, the swill will be able to cancel the resolution.
PHP Date-time function date ()1, year-month-day
Copy Code code as follows:
echo Date (' y-m-j ');
2007-02-6
echo Date (' y-n-j ');
07-2-6
Capital Y represents a four-digit year, while lowercase y represents a
Learning Essentials:1.PHP Date and Time library
When you are programming with PHP, the date and time are very different compared to most other types of data that you encounter.Because dates and times do not have a clear structure, and the
Use of the date () function of the PHP function. The DATETIME function is the core component of PHP. These functions can be used without installation. The following describes the specific usage of the date function in detail: the PHPDate () function
Date-time functions are a core part of PHP. These functions can be used without installation. The specific use of the date function is described in detail below:
PHP Date () functionThe PHP date () function formats the timestamp as a date and time
Of course, PHP's date function is not possible to directly output Chinese date, but you can use this method to write a function of their own.Code to copy code as followsfunction today () {Date_default_timezone_set ("asia/chongqing");$a =date
For daily Statistics, our date ("Ymd") is converted to integer as the primary key of the database, so it is necessary to use time to add and subtract when searching for a period of time statistic data;For example, data within 30 daysfunction GetData
AddDate_default_timezone_set (PRC);/* set the time to Beijing Time, and PhP5 is the Greenwich Mean Time by default */Date () A: "am" or "PM"A: "am" or "PM"D: day (s), double-digit number. If it is not enough, it will be zero. From "01" to "31"D: The
For daily statistical data, the date ("Ymd") is converted into an integer to be the primary key of the database. Therefore, you need to add or subtract time when looking for statistical data for a period of time;
For example, data within 30 days
Today we see in PHP to calculate the time difference between two times, the following we directly use the Data,strtotime and three functions are implemented, there is a need for friends to refer to.
This is the example that needs to be told today.
PHP Tutorial convert timestamp to commonly used date format with calculated time difference: The default return type is "minutes"
function Trans_time ($timestamp) {
if ($timestamp else return date ("Y-m-d h:i:s", $timestamp);
}
Get IPfunction
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