Nov 11 2009

PHP Day add function

Category: Php — Giulio Pons @ 3:06 pm

How to add 2 days to a date in PHP?
There are many ways to add days to a string date. The best function is the following one:

function dayadd($days,$date=null , $format="d/m/Y"){
	return date($format,strtotime($days." days",strtotime( $date ? $date : date($format) )));
}

This function let you decide the date to which add the days, the output format and days to add. To use the function look these examples:

echo dayadd(2);  // 2 days after today
echo dayadd(-2,null,"Y-m-d");  // 2 days before today with given format
echo dayadd(3,"12/31/2009");  // 3 days after given date
echo dayadd(3,"12/31/2009","d-m-Y");  // 3 days after given date with given format
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2 Responses to “PHP Day add function”

  1. JasonDavis says:
    January 7th, 2010 2:53 am

    Sorry I am not sure what kind of time can I pass into this? I store times as UTC time in a regualr integer filed in mysql, I am thinking my utc time stamp will not work?

  2. admin says:
    January 7th, 2010 12:57 pm

    I use to work with DATE fields in my tables with YYYY-MM-DD format, but this function should work also with other formats (d-m-Y or m-d-Y), I’ve not tested every combination. You should add characters “-” to your integer date and convert it to a string to use this function.

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