gistfile1.php

<pre>
<?php

// How many movies to ask RT at once.
define("PAGE_LIMIT", 50);

// The minimum critic score to be considered fresh.
define("FRESH_THRESHOLD", -1);

// The maximum number of days in theaters to be considered young.
define("YOUNG_THRESHOLD", 90);

function keyUrl($url) {
    $sep = strstr($url, "?") ? "&" : "?";
    return $url . $sep . "apikey=rbrrxgd6ktdk2e36ybgrwyn7";
}

$today = new DateTime();

function make_in_theaters_ch() {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    return $ch;
}

function get_in_theaters_json($pageno, $ch = null) {
    $url = keyUrl("http://api.rottentomatoes.com/api/public/v1.0/lists/movies/in_theaters.json?page_limit=" . PAGE_LIMIT . "&page=" . $pageno);

    // If we have a curl handle, reuse it.
    if ($ch) {
        curl_setopt($ch, CURLOPT_URL, $url);
        $data = curl_exec($ch);
    } else {
        $data = file_get_contents($url);
    }

    return json_decode($data);
}

function days_in_theater($movie) {
    global $today;
    return $today->diff(new DateTime($movie->release_dates->theater))->days;
    return new DateTime($movie->release_dates->theater);
}

function fresh_and_young($movie) {
    if ($movie->ratings->critics_score < FRESH_THRESHOLD)
        return false;
    return days_in_theater($movie) <= YOUNG_THRESHOLD;
}

function classify_age($movie) {
    $days = days_in_theater($movie);
    if ($days < 30)
        return "just-in";
    if ($days < 60)
        return "on-its-way";
    return "almost-gone";
}

function cmpdates($movie_lhs, $movie_rhs) {
    $date_lhs = new DateTime($movie_lhs->release_dates->theater);
    $date_rhs = new DateTime($movie_rhs->release_dates->theater);
    if ($date_lhs == $date_rhs)
        return 0;
    return ($date_lhs > $date_rhs) ? -1 : 1;
}

// If PHP has curl support, use it.
if (function_exists("curl_init")) {
    $ch = make_in_theaters_ch();
    if (!$ch)
        exit(-1);
}

// Grab the first page.
$pageno = 1;
$data = get_in_theaters_json($pageno, $ch);
if (!$data)
    exit(-1);

// Check how many movies there are in total. We only grab PAGE_LIMIT movies at
// a time from RT.
$total_movies = $data->total;
$movies = $data->movies;

// Subtract the first page's movies from the number of total movies.
$total_movies -= PAGE_LIMIT;
$pageno++;

// While there are still movies left to get, fire off more requests.
while ($total_movies > 0) {
    $data = get_in_theaters_json($pageno, $ch);
    if (!$data)
        exit(-1);

    // Append the newly gotten list of movies to the existing $movies array.
    $movies = array_merge($movies, $data->movies);

    // Subtract this page's movies from the number of total movies.
    $total_movies -= PAGE_LIMIT;
    $pageno++;
}

// Close the curl handle if we used curl.
if ($ch)
    curl_close($ch);

// Filter the array of movies to only contain those that are fresh and young,
// according to the thresholds defined at the top of the file.
$filtered = array_filter($movies, "fresh_and_young");

// Sort the filtered list in descending order of recency.
usort($filtered, "cmpdates");

// Print out the sorted, filtered list.
foreach ($filtered as $movie) {
    echo $movie->title;
    echo "\n  Days in theater: ";
    echo days_in_theater($movie);
    echo "\n  Classification: ";
    echo classify_age($movie);
    echo "\n\n";
}

?>
</pre>