Run a PHP function upon button click?

Question

I want to run a PHP function with an HTML button click.

I can call a PHP script this way:

  Name         


        

Answer 1

You need to do this on your end. Process the post and call the function in the action.php page on your own. You can also create a separate php page to call a function defined in action.php.

Answer 2

The method I prefer to use is a mixture of jQuery/ajax calling an Object Oriented PHP class.

I have a jQuery listener/trigger for the button press with something like this:

$('#buttonId').live('click', function() {
    $.get('api.php?functionName=test&inputvar=something');

    return false;
});

That will call the api.php file through ajax and prevent any further action, such as form submission.

Then in the PHP file you could always do something basic like:

if ($_REQUEST['functionName'] == 'test') {
    test();
}

or if you have huge classes and alot of dynamic input you could do something more interesting like:

$functionName = $_REQUEST['functionName'];
if (method_exists($myClassInstance, $functionName))
    $myClassInstance->$functionName();

There are numerous ways to approach this, but these are my favorites. Another alternative is the Extjs framework which is built for this kind of activity but if you are not familiar with it already and the project is not 'huge' I would not concern myself with it.

Lastly, if you are needing to get a response back from the php file such as json results, then instead of using the jQuery: $.get() function, use the function $.getJSON

Hope that helps :)

Answer 3

You could try:

<form action="pageName.php/functionName" method="post">
Name: <input type="text" name="txt"/>
<input type="submit" />
</form>

Answer 4

You can have the following approaches:

1> Use AJAX to load "action.php" with the data entered in the fields as POST to the page and then take the response and put it into the body; or,

2> You cannot make it work as PHP is a server-side programming language and HTML which you are trying to use with PHP is a client side programming language. So there is no way to make it work other than AJAX.

Answer 5

You could easily do it with jquery

<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"></script>



    <script type="text/javascript">
    function submitform(){
        $('#myForm').post("pageName.php", $("#myForm").serialize());
    }
    </script> </head>

<form action="pageName.php" method="post" id"myForm">
Name: <input type="text" name="txt"/>
<input type="submit" />
</form>

Answer 6

You should include a.php In action.php, For example :

action.php :

include( 'a.php' );
//Your codes

if you want for example ok() function in a.php, now a.php exist in action.php