<?php if ($_SERVER['REQUEST_METHOD'] == 'POST') { if (array_key_exists('flickr', $_POST)) { require_once "inc/Flickr.php"; $flickr = new Flickr(); $photos = $flickr->getFlickrData(); header("Content-Type: application/json"); echo $photos; die; } } ?> <!DOCTYPE html> <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <meta name="viewport" content="initial-scale=1,minimum-scale=1,width=device-width"> <link rel="stylesheet" href="css/default.css" type="text/css" media="screen" /> <title>Flickr Test</title> </head> <body> <header></header> <section id="images" class="inner-container"></section> <footer></footer>