Posting to Facebook's friend wall - PHP

Hi,

This post is again a continuation of my previous posts related to Facebook Graph API. This one will sum up all the earlier post with a new functionality of posting to your own or friends wall. In this also I will be using the $facebook->api() to post in wall. Click here to download the entire source code.

My current page looks like:

In the above I have a form for updating my Facebook status. When I click the image of my friends a popup comes up and lets me post to that fiends wall as follows:

Code and explanation:


First I am creating the following form for submitting the post:


<form method="post" action="">
<input type="hidden" name="user" value="FACEBOOK_USER_ID">
<textarea name="status" style="border:1px solid #ccc;width:289px" rows="4"></textarea><br/><br/>
<input type="submit" value="Post in Wall">
</form>

Now when the form is submitted, I am using the $facebook->api() function to post in wall as:


if (isset($_POST['status']))
{
try {
$statusUpdate = $facebook->api('/'.$_POST['user'].'/feed', 'post', array('message'=> $_POST['status'], 'cb' => ''));
} catch (FacebookApiException $e) {
echo "<div style='color:red'>Error!! Status update failed.</div>";
}
if(!empty($statusUpdate)){
echo "<div style='color:green'>Congratulations!! Your facebook status has been successfully udpated.</div>";
}
}
}

In the above:
 $facebook->api('/'.$_POST['user'].'/feed', 'post', array('message'=> $_POST['status'], 'cb' => ''));

is the syntax for sending post, where $_POST['user'] is the Facebook user ID and $_POST['status'] is the status message.

Download: fb_wall_post.zip

After downloading the source code, you just need to change the API key and secret key, which you can generate for your website from https://developers.facebook.com/setup/

Cheers!!!