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Downloading and installing the PHP SDK

From: Building Facebook Applications with PHP and MySQL

Video: Downloading and installing the PHP SDK

One of the main differences between the JavaScript and the PHP SDK is how you install them. With the JavaScript SDK, you simply copy some code with a reference to the library. But with PHP, you have to download a copy of the SDK and install it in your server. So let's take a look. The SDK is an open-source project on GitHub at this URL. If you have a GitHub account, you can clone this repository to your machine or simply download the ZIP file to your hard drive. Once downloaded, decompress the zip file if necessary and open the decompressed folder.

Downloading and installing the PHP SDK

One of the main differences between the JavaScript and the PHP SDK is how you install them. With the JavaScript SDK, you simply copy some code with a reference to the library. But with PHP, you have to download a copy of the SDK and install it in your server. So let's take a look. The SDK is an open-source project on GitHub at this URL. If you have a GitHub account, you can clone this repository to your machine or simply download the ZIP file to your hard drive. Once downloaded, decompress the zip file if necessary and open the decompressed folder.

Inside the main folder, you'll find a subfolder called SRC. You are going to need to copy these files to your server. I want to create a folder on my server, and I'll call mine php-sdk and move the files there. To bring the SDK's functionality onto your page, we are going to need to add some PHP link in the index.php file to our facebook.php file inside the php-sdk folder. So I'm going to open up my Index file, and I'll add some code to link to the facebook.php file.

You'll need to get your Apps ID and Secret from the Facebook Developers App page. Now here's our viewsource.php, so I'm going to copy this App ID and paste it into the section in the index.php page. I'll also copy the App Secret and paste it into this associative array. My App ID and my App Secret are going to different from yours, so you'll be copying some different code in here. Now this piece of code is going to bring in the Facebook PHP SDK and create a Facebook class for our project.

The Facebook class will be associated with your App ID and your Apps Secret, so I'm going to save this, and I'm going to switch over to my application and just refresh the page. You want to make sure you don't get any PHP errors when you refresh the page, and although this page doesn't do anything, we have successfully downloaded, installed, and connected our page to the Facebook PHP SDK. To make this page useful, we still need to authenticate our users, so we can start gathering data using the Open Graph API.

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Building Facebook Applications with PHP and MySQL

24 video lessons · 8262 viewers

Ray Villalobos
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