<?php
function cors() {
    
    // Allow from any origin
    if (isset($_SERVER['HTTP_ORIGIN'])) {
        // Decide if the origin in $_SERVER['HTTP_ORIGIN'] is one
        // you want to allow, and if so:
        header("Access-Control-Allow-Origin: {$_SERVER['HTTP_ORIGIN']}");
        header('Access-Control-Allow-Credentials: true');
        header('Access-Control-Max-Age: 86400');    // cache for 1 day
    }
    
    // Access-Control headers are received during OPTIONS requests
    if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
        
        if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_METHOD']))
            // may also be using PUT, PATCH, HEAD etc
            header("Access-Control-Allow-Methods: GET, POST, OPTIONS");         
        
        if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']))
            header("Access-Control-Allow-Headers: {$_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']}");
    
        exit(0);
    }
}
cors();
header('Content-Type: application/json');
?>
[
    {
        "title": "Mass Effect",
        "thumbnail":"https://static.wikia.nocookie.net/masseffect/images/a/a1/Mass_Effect_3_Cover.png/revision/latest/scale-to-width-down/340?cb=20150703211521&path-prefix=de",
        "description": "Beispiel Beschreibung #1"
    },
    {
        "title": "Fall Guys: Ultimate Knockout",
        "thumbnail":"https://s3.gaming-cdn.com/images/products/7421/orig/fall-guys-ultimate-knockout-collectors-edition-cover.jpg",
        "description": "Fall Guys ist ein MMO-Partyspiel mit bis zu 60 Spielern"
    }
]