#20YearsOfCharacters

<?php

$sleep_time_sec = 30;

function get_page($url) {
    $ch = curl_init($url);

    curl_setopt_array(
        $ch,
        array(
            CURLOPT_FOLLOWLOCATION => false,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_TIMEOUT        => 60,
            CURLOPT_USERAGENT      => 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:34.0) Gecko/20100101 Firefox/34.0'
        ));

    $body = curl_exec($ch);
    $info = curl_getinfo($ch);

    if (false === $body || 200 !== $info['http_code']) {
        trigger_error('Failed to retrieve the page', E_USER_WARNING);
    }

    return $body;
}

$list_of_sp = array();

while (true) {
    $start = microtime(true);
    $body = get_page('http://ps20.software.eu.playstation.com');
    preg_match('/<script[^>]*>.*?config\.sp([^;]+);/s', $body, $matches);

    if (isset($matches[1])) {
        $sp = preg_replace('/["\' =]/', '', $matches[1]);

        if (false === array_key_exists($sp, $list_of_sp)) {
            $redirect_url = "http://ps20.software.eu.playstation.com/redirect.php?sp=$sp";
            $claim_url = get_page($redirect_url);
            $list_of_sp[$sp] = $claim_url;
            echo "$sp\t=>\t$claim_url\n";
        }
    }
    else {
        trigger_error('Failed to locate the "sp" value', E_USER_WARNING);
    }

    $elapsed_sec = microtime(true) - $start;

    if (($sleep_time_us = 1000000.0 * ($sleep_time_sec - $elapsed_sec)) > 0) {
        usleep($sleep_time_us);
    }
}