AJAX PHP Processor - Mail Chimp List Subscribe v2.0

mail-chimp-subscribe

	//create a clean array of data to be posted
	foreach($_POST as $key => $val) {
		$user_input[$key] = htmlentities(stripslashes(trim($val)), ENT_QUOTES, 'UTF-8');
	}
    
    	// There are two unique parts to this URL. The First is the "us3" portion of the URL is specific to your account. The second is the file extension at the end is what is returned, you can set it to json, php, or xml, but json is default.
	$post_url = 'https://us3.api.mailchimp.com/2.0/lists/subscribe.json?';
	
	// Let's put together our user data to send
	$post_query_array = array(
		"apikey" => "APIKEY",
		"id" => "LIST-ID",
		"email" => array(
			"email" =>  $user_input['usr_email'],
			"euid" =>  "",
			"leid" =>  ""
		),
		"merge_vars" => array( // Build an Array of the different Merge Vars you setup in your account
			'FNAME' => $user_input['usr_first_name'],
			'LNAME' => $user_input['usr_last_name']
		)
	);
	
	// We still need to build our HTML query string to send
	$post_query_string = http_build_query($post_query_array);
	
	// Make sure we have a User's Email address as this is the only required item
	if(!empty($user_input['usr_email'])){
		// Submit the data via Curl
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $post_url); // Post URL
		curl_setopt($ch, CURLOPT_POST, TRUE);
		curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query_string); // Our Query string that we built
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
		$curl_out = curl_exec($ch);
		echo $curl_out;

	} else {
		echo 'failure';
	}