how to call php function from html

calling a function of php using html button

The "function" you have is code runs before and only before data is returned to your browser (typically, displayed as a page, but also could be an ajax request).. The form you have is form is rendered by your browser and is not "connected" to your server, but can submit data to the server for processing. All hope is not lost, though. In this tutorial, I'll explain how you can call PHP functions from JavaScript and JavaScript functions from PHP. Call a PHP Function From JavaScript. We can use AJAX to call a PHP function on data generated inside a browser. AJAX is used by a lot of websites to update parts of webpages without a full page reload.

Join Stack Overflow to how to call php function from html, share knowledge, and build your career. Connect and share knowledge within what is the cost to finish drywall single location that is structured and easy to search. If I now to execute a php script, i just point the browser to www. But if i want to execute ho specific function inside myscript.

What your script does is entirely up to phl. URLs cannot magically cause Apache, PHP, or any other server component to take a certain behavior, but if you write your program such trom a particular function can be executed, it's certainly possible.

Perhaps something like:. Be extremely careful here to specifically list each allowable function. You will have to expose it in some way. This is because exposing all methods public, funtion be a security risk. You could do something like fynction not recommended for security reasons : www. You would be better off using a php class instead of trying to call a funftion on the global namespace because they how to wear a long tunic top call a potenitally dangerous function or call a function you don't want them to see the result to:.

Here you go. This one is really simple. It calls only specific functions and does default function. I am using this on my website. To use this simply format your url like this www. You cannot do this without adding special code to the PHP file itself to grab the name of the function from the URL and invoking it.

One way would be to pass the function name as a GET Parameter, and depending on it's existence you could call the function. And only execute functions if the referrer is the same domain as itself.

But how to cut photo in photoshop cs4 should be many ways you can verify the request is coming from the same website were the function needs to be executed. Stack Overflow for Teams Collaborate and share knowledge with a private group. Create a free Team What is Teams? Functon more. Call PHP function from url? Ask Question. Asked 10 years, 4 months ago.

Active 4 years httml. Viewed 89k times. Qazi 4, 5 5 gold badges 33 33 silver badges 60 60 bronze badges. Gabriel A. Zorrilla Gabriel A. Zorrilla 4, 14 14 gold badges 50 50 silver badges 77 77 bronze badges. Add a comment. Active Oldest Votes. One quick way is to do things like something. Andreas Wong Andreas Wong 55k 19 19 gold badges silver badges bronze badges. No, no, no, no, no, no, no, no, no! You've just allowed any visitor to execute any PHP function they want!

What if they choose to execute your purgeDatabase function? Or even just phpinfo? That's why I said it's a quick way, I'll bold it for you. The OP didn't ask whether or not this was ca,l good idea, they asked how to do it. This is a quick and dirty solution that gets the job done - perhaps a way fromm make it httml would be to whitelist those functions that are deemed "callable" and only functon those.

Still this is a good answer as it sets the OP down the right path. Show 5 more comments. VoteyDisciple VoteyDisciple Robin Orheden Robin Orheden 2, 19 19 silver badges 23 23 bronze fumction. Yes, i'm aware of that. But sometimes is handy when developing. Did not think about using this for production. Zorrilla Dec 5 '10 at Balaji Balaji 2 2 how to call php function from html badges 8 8 bronze badges.

CodeJoust CodeJoust 3, 18 18 silver badges 23 23 bronze badges. Im not sure if you are familiar with Android, but as you call a webservice url through android, it wouldnt be visible to the user. Will using this code you posted cxll cause security problems? Simon Simon 1, 3 3 gold badges 13 how to find carpenter ants in your home silver badges 25 25 bronze badges.

IMHO, this is the best way to do this. Somebody Somebody 3 3 silver badges 10 tp bronze badges. Freddie Freddie 1, 2 2 gold badges 15 15 silver badges 23 23 bronze badges. If you do it this way, then the script would run that function every time it was called. That could be a mess, especially if you have more than one function in the file. I think the OP is asking about creating a PHP file with multiple functions in it, and only calling one specifically. Zeeshan Abbas Zeeshan Abbas 21 3 3 bronze badges.

Andrew Hare Andrew Hare k 66 66 gold badges silver badges ht,l badges. Fnuction are several ways. Shamim Hafiz Shamim Hafiz Codie Morgan Codie Morgan 1. Note that the Referer header can be forged, so it effectively gives no security at all. Peter Peter 31 5 5 bronze badges. This doesn't start unless you build an instance of it. CodeBlooded 4 4 silver badges 14 14 bronze badges.

Hello robert, and welcome to StackOverflow. While your code may help answering the question, functjon is always better to include some explanation in your answer.

That way, the OP and anybody else reading this answer might get a better understanding on how to solve the problem. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast How to build and maintain online communities, from gaming to. Level Up: Creative Coding with p5. Featured on Meta. Stack Overflow for Teams is now free for up to 50 users, forever.

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PHP Built-in Functions

Aug 23, Calling a PHP function using the HTML button: Create an HTML form document which contains the HTML button. When the button is clicked the method POST is called. The POST method describes how to send data to the server. After clicking the button, the array_key_exists () function called. You can't call PHP directly from HTML - PHP is only run on the server, typically to generate HTML. You could make an XHR request to a server, and implement the server side in PHP. Sep 14, Options +Includes AddOutputFilter SetEnv TZ America/Los_Angeles Then your file can look like this: html> php" --> html> looks like this: php echo date("g:i A T e");?> The following will be displayed: PM PDT America/Los_Angeles.

Okay, admittedly, this is a pretty crazy and virtually useless tip. Back when I worked for a Toronto web design agency, we often had to update sites that were written in straight HTML, with no server-side programming at all. So every year, clients that owned such sites would ask us to update all the pages to display the current copyright year. That was pretty lame. Not exactly the kind of work we wanted to be doing.

So we wanted to create a way that the current year would be printed on each page automatically. So we did something like this:. But I thought this was a great example of some really crafty thinking, and it helped us get out of a little jam, while still utilizing server-side resources on a static site.

It also minimized the amount of code used. Are there any security issues with this? I really have no idea. I believe there are tracking applications and web counters that have used this approach. Would be interested to hear if anyone has any input on this. I just implemented it at the time. It is a copyright after all. Not sure if anyone would be able to use the copyrighted work and claim it had expired and they could always modify the source of the page to display whatever the hell they want but still using the server date gives the programmer better control over the page look.

If the system date were, say, a year ahead, the copyright date would appear to be a year in the future, which would look weird and unprofessional. The risk might be small, but why take it when you could avoid it? IMO, they chose the right course of action. Not useless. I could use this to hide some proprietary calculations that are normally exposed when using straight up JavaScript.

Decent tip. It is useless, because you could just do that with Ajax instead. Very handy if you want to mix small javascript-generated content with static html. Best of both worlds, if done properly. The javascript got the creation date of the account and number of views of that particular page with sessions from the database, then wrote those values to a javascript file.

If JS detected that the account was less than 5 minutes old and that the page had been viewed 2 times or less due to refreshes, coming back to the overview page via link, etc it showed a welcome message. I would also recommend adding a header call to declare the content type within the php. Although the script tag likely guesses it correctly, it never hurts to be more thorough. And I cannot think of any browser that does not support iframes.

But definitely an option in that case, and as far as I can tell, pretty much has the same result. And has the added benefit of not relying on JavaScript, so that actually seems like a stronger solution for that bizarre circumstance. You may not like it, but it is part of the HTML5 standard sorry, just being picky.

The post kept me interested. Oh, of course. XSSI has many features, including pattern matching. Many web sites work just fine without a database back end, especially if they use the database simply to store documents. In fact, you can even build a light content management system using XSSI. Thanks for the info. But of course, in PHP, you have the option of setting the time zone in the code. Well, those requests came from the project managers, who get them from the client. Ok now I can see where this could grow to be something more.

A php library to do javascript dom manipulation. I think some might be missing the point here This is just a simple example of something that was crafted out of necessity in a nick of time. Far from it, think again This opens the possibility to have JS scripts that would contain stuff you have on your database easily!

We are talking about dynamic Javascript here! How about you have a table with the localized language strings, where you could add new entries and get others to help you translate to many other languages? You could also cache the results server side as well, making deployment of localized custom scripts far easier than it was before.

Hey Louis, I used the same trick in getting the JavaScript content from the server. As all of us know each and script tag inclusion in html makes an http request to the server and makes page loading slow and I was having lot of individual JavaScript files.

So to reduce http requests to server I created an php file to combine all the JavaScript files together, then I included single script tag by calling that php file. I could use this to hide some proprietary calculations that are normally exposed when using straight up JavaScript. That is what I am using on my html pages. So it is cetainly NOT useless! OK, I set up a couple of test files to check this out, but it fails to run as expected.

My HTML file looks like this:. I tried running this, but the time does not display. Is my HTML file set up correctly? Is there something I need to set in. It does require that you set up SSI on the server.

The first two lines I added to. The SetEnv line in. When it comes to how my little mind grasp a concept, this one is by far the best tip on including a php file in this manner. I know this thread is super duper old. Comment Rules: Please use a real name or alias. Keywords are not allowed in the "name" field and deep URLs are not allowed in the "Website" field. No foul language, please. Thank you for cooperating. Markdown in use! You can also indent a code block four spaces. And no need to escape HTML, just type it correctly but make sure it's inside code delimeters backticks or triple backticks.

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