Question

I have a webpage with a submit button and I would like php to parse the webpage and click the submit button and get the response (it can be a link or another html page.)

Is there any way to click a submit button using php?

I know there is something like htmlunit for java that allows one to pro-grammatically fill the form fields and click submit button. But I would like to do the same in php.

Thanks

Answer 1

CURL will let you get the results of a form submission

eg

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, $urlOfFormSubmission);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, array(

        "field1"=>"data1",
        "field2"=>"data2"

    ));

curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

$contents = curl_exec($ch);

You can also do the same thing with the PHP Stream functions

eg

$params = array( http  => array(
           method  => "post",
           content  => array("field1"=>"data1", "field2"=>"data2")
       ));

$ctx = stream_context_create($params);

$fp = @fopen($urlOfFormSubmission,  rb , false, $ctx);

if (!$fp)
{
    throw new Error("Problem with ".$urlOfFormSubmission);
}

$contents = @stream_get_contents($fp);

if ($contents === false)
{
    throw new Error("Problem reading data from ".$urlOfFormSubmission);
}

In either case, $contents should contain the results of the form submission

Answer 2

Take a look at Selenium Web application testing system.

Answer 3

The SimpleTest PHP library also has a page crawler that can analyze a HTML page and generate the appropriate POST request.

Answer 4

phpWebHacks looks promising for the task.

Features, as quoted from the website:

* Support HTTP/1.1
* Fetch web pages.
* Submit forms and upload files.
* Support https.
* Support HTTP cookies.
* Support HTTP redirects and Meta-refresh redirects.
* Support HTTP Authentication.
* Support proxy server.
* Support gzip encoding.
* Logging of HTTP streams for full debugging.
* Parsing HTML forms.
* Custom User-Agent.

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