Upload files to amazon s3 with php.

gistfile1.php

<?php

//This file has been modifed from running code if you have any problems contact info@wiseguystechnologies.com

//no direct access
if (!isset($_POST['sneaky'])) die("DIRECT ACCCESS NOT PERMITTED");

error_reporting(E_ALL);
ini_set('display_errors', '1');
$msg = '';
#download libs here http://aws.amazon.com/sdk-for-php/
require '/aws/aws-autoloader.php';    


use Aws\Common\Aws;
 
$aws = Aws::factory(get_creditentials());
$s3 = $aws->get('S3');
 
 
  if($_SERVER['REQUEST_METHOD'] == "POST"){
	
	 $name = ($_FILES['file']['name']);
	 $tmp = $_FILES['file']['tmp_name'];
	 $ext = getExtension($name);
	 
	  if ($ext !== 'pdf') {
	      report('Not a PDF');
		}
			 
	    $source_file = file_get_contents($tmp);
			 
		$response = $s3->putObject(array(
		    'Bucket' => 'mycoolbucket',
		    'ACL' => 'public-read',
		    'Key'    =>  $name,
		    'Body'   => $source_file
		));

	report("success");
}




function getExtension($str) {
	$i = strrpos($str,".");
	if (!$i) { return ""; }
	$l = strlen($str) - $i;
	$ext = strtolower(substr($str,$i+1,$l));
	return $ext;
}

function report($msg){
	header('Location: whereever/?msg=' . urlencode($msg));
	exit;
}


function get_creditentials()
{
	return array(
    	'includes' => array('_aws'),
    	'services' => array(
        'default_settings' => array(
            'params' => array(
                'key'    => 'MY KEY',
                'secret' => 'MY SECRET'               
            	)
        	)
    	)
	);
}

 
?>