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Php date class7/27/2023 ![]() The DateTime class also provides an add and subtract function, which still allows you to modify the DateTime, but in a format that's a little harder to read. The true power of the DateTime class is how easily it lets you manipulate time after you've created it.įor example, if you want to add a month to the current date, you can use the modify() function to do so. Up until this point, most of you have been thinking, so what the date() function can do everything you just showed me. Using the createFromFormat() function, we can specify the format of that date. If we just enter this string into a new DateTime class, we'll end up with November 12th. Now is this November 12, 2008, or December 11, 2008? The worst case for a date is getting something like "11/12/08". ![]() Invariably, you're going to have to take input from your user to work with. The complete list of these formats can be found on the PHP website. There are a wide variety of formatting options that can be found in the online documentation, but it also includes a couple of built-in formats like RSS. This is helpful if you want to display the date to a user or save the value to a database or a file. I've already jumped the gun on this, but the format() function allows you to convert a DateTime object into a string. $date = new DateTime("first day of december") PHP also has a long list of relative date formats so you can generate a DateTime using more readable formats like the following. You can also create a DateTime object for a specific date and time. As a quick aside, the format function converts the DateTime into a string representation of the object. Without any parameters, the DateTime class uses the date and time at the moment that that class was initialized. The easiest way to work with a DateTime class is to just create a new instance of it. In this article, we'll discuss how to use PHP's built-in DateTime classes to perform some basic operations on DateTime data. I ended up spending a lot of time fixing bugs in my data handling logic instead of adding features to solve my user's problems.Īs an experienced developer, I know I can reach for PHP's built-in date-time classes or one of the libraries built off of them. You might need to see how far apart two dates are, add several days to the date, or convert a string sent to us by an end user into something we can work with.Īs an inexperienced developer, I had not invented here syndrome for these kinds of problems all the time. As a developer, you're going to run into situations where you need to perform some kind of operation on a date or time.
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