Time Php Code


The PHP date() function is used khổng lồ format a date and/or a time.

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The PHPhường Date() Function

The PHPhường date() function formats a timestamp khổng lồ a more readable date and time.

Syntax



Parameter Description format Required. Specifies the format of the timestamp timestamp Optional. Specifies a timestamp. Default is the current date và time

A timestamp is a sequence of characters, denoting the date and/or time at which a certain sự kiện occurred.


Get a Date

The required format parameter of the date() function specifies how lớn format the date (or time).

Here are some characters that are commonly used for dates:

d - Represents the day of the month (01 khổng lồ 31) m - Represents a month (01 to lớn 12) Y - Represents a year (in four digits) l (lowercase "L") - Represents the day of the week

Other characters, like"/", ".", or "-" can also be inserted between the characters to add additional formatting.

The example below formats today"s date in three different ways:



";eđến "Today is " . date("Y.m.d") . "
";emang lại "Today is " . date("Y-m-d") . "
"; eđến "Today is " . date("l");?>

PHP Tip - Automatic Copyright Year

Use the date() function khổng lồ automatically update the copyright year on your website:





Get a Time

Here are some characters that are commonly used for times:

H - 24-hour format of an hour (00 to 23) h - 12-hour format of an hour with leading zeros (01 khổng lồ 12) i - Minutes with leading zeros (00 to 59) s - Seconds with leading zeros (00 lớn 59) a - Lowercase Ante meridiem và Post meridiem (am or pm)

The example below outputs the current time in the specified format:


Get Your Time Zone

If the time you got baông chồng from the code is not correct, it"s probably because your server is in another country or set up for a different timezone.

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So, if you need the time to be correct according lớn a specific location, you can mix the timezone you want to use.

The example below sets the timezone khổng lồ "America/New_York", then outputs the current time in the specified format:





Create a Date With mktime()

The optional timestamp parameter in the date() function specifies a timestamp. If omitted, the current date & time will be used (as in the examples above).

The PHP mktime() function returns the Unix timestamp for a date. The Unix timestamp contains the number of seconds between the Unix Epoch (January 1 1970 00:00:00 GMT) & the time specified.

Syntax



The example below creates a date & time with the date() function from a number of parameters in the mktime() function:





Create a Date From a String With strtotime()

The PHP. strtotime() function is used to lớn convert a human readable date string into lớn a Unix timestamp (the number of seconds since January 1 1970 00:00:00 GMT).

Syntax









"; $d=strtotime("next Saturday");emang đến date("Y-m-d h:i:sa", $d) . "
"; $d=strtotime("+3 Months");emang lại date("Y-m-d h:i:sa", $d) . "
";?>

However, strtotime() is not perfect, so rethành viên to check the strings you put in there.

More Date Examples

The example below outputs the dates for the next six Saturdays:









Complete PHPhường Date Reference

For a complete reference of all date functions, go to lớn our complete PHP Date Reference.

The reference contains a brief mô tả tìm kiếm, and examples of use, for each function!

PHP Exercises

Test Yourself With Exercises


Exercise:

Use the correct date function to lớn output the weekday name of today (monday, tuesday etc.).


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