• php
  • 1589
  • 20-3-2008
    • [L]The PHP date() function is used to format a time or a date.
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    The PHP Date() Function
    The PHP date() function formats a timestamp to a more readable date and time.
    Syntax
    date(format,timestamp)
    format : Required. Specifies the format of the timestamp
    timestamp : Optional. Specifies a timestamp. Default is the current date and time (as a timestamp)
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    PHP Date - What is a Timestamp?
    A timestamp is the number of seconds since January 1, 1970 at 00:00:00 GMT. This is also known as the Unix Timestamp.
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    PHP Date - Format the Date
    The first parameter in the date() function specifies how to format the date/time. It uses letters to represent date and time formats. Here are some of the letters that can be used:
    - d - The day of the month (01-31)
    - m - The current month, as a number (01-12)
    - Y - The current year in four digits
    An overview of all the letters that can be used in the format parameter .
    Other characters, like"/", ".", or "-" can also be inserted between the letters to add additional formatting:
    <?php
    
echo date("Y/m/d");
    
echo "<br />";
    
echo date("Y.m.d");
    
echo "<br />";
    
echo date("Y-m-d");
    
?>

    The output of the code above could be something like this:
    2007/07/11
    
2007.07.11
    
2007-07-11

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    PHP Date - Adding a Timestamp
    The second parameter in the date() function specifies a timestamp. This parameter is optional. If you do not supply a timestamp, the current time will be used.
    In our next example we will use the mktime() function to create a timestamp for tomorrow.
    The mktime() function returns the Unix timestamp for a specified date.
    Syntax
    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():
    <?php
    
$tomorrow = mktime(0,0,0,date("m"),date("d")+1,date("Y"));echo "Tomorrow is ".date("Y/m/d/", $tomorrow);
    
?>

    The output of the code above could be something like this:
    Tomorrow is 2006/07/12
    [/L]
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