A timestamp is a sequence of characters, denoting the date and/or time at which a certain event occurred.
Syntax
date(format,timestamp)
format : Required. Specifies the format of the timestamp
timestamp : Optional. Specifies a timestamp. Default is the current date and time
PHP Date() - Format the Date
The required format parameter in the date() function specifies how to format the date/time.
Here are some characters that can be used:
• d - Represents the day of the month (01 to 31)
• m - Represents a month (01 to 12)
• Y - Represents a year (in four digits)
A list of all the characters that can be used in the format parameter
Other characters, like"/", ".", or "-" can also be inserted between the letters to add additional formatting:
The output of the code above could be something like this:
2009/05/11
2009.05.11
2009-05-11
PHP Date() - Adding a Timestamp
The optional timestamp parameter in the date() function specifies a timestamp. If you do not specify a timestamp, the current date and time will be used.
The 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) and the time specified.
Syntax for mktime()
mktime(hour,minute,second,month,day,year,is_dst)
To go one day in the future we simply add one to the day argument of mktime():
The output of the code above could be something like this:
Tomorrow is 2009/05/12
Source w3schools
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