Question

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How to find number of days between two dates using php

I’m trying to compare two dates that are stored in two PHP variables. $curDate and $prevDate are stored in the format yyyy-mm-dd. To simply display them, I’ve been using date("n,j,Y", strtotime($prevDate)) or some other combination of the first parameters of the date function.

I want to compare the $curDate and $prevDate on the scale of days, but the trouble is, the 31st could be 1 day from the 1st so if I just look at the date in this way then I can’t handle that behavior.

I’ve looked into the PHP Function JulianToJD() but can’t just pass the SQL date, formatted thru the date() and strtotime() function.

Can someone help me figure out a clever way of comparing two dates on the scale of days while paying attention to the end of months?

Answer 1

See stackoverflow.com/q/2040560/469210. I.e. calculate the diff of the dates and apply the floor function:

floor($datediff/(60*60*24));