Multiple Domain Title Checker

DomainChecker.php

<?php

DomainChecker::checkDomains();

/**
 * @author  standa <[email protected]>
 * @version  2014-11-25
 */
class DomainChecker 
{

    const CONTAINS = '<title>The no 1 page out there</title>';
    const LOG_FILE = 'DomainChecker.log';

    public static function checkDomains()
    {
        $ok = array();
        $failed = array();
        $contains = self::CONTAINS;
        foreach (explode(PHP_EOL, self::DOMAINS) as $domain) {
            if (self::checkRedirect($domain, $contains)) {
                $ok[] = $domain;
                echo '.';
            } else {
                $failed[] = $domain;
                echo 'X';
            }
        }

        echo 'OK Domains: '.print_r($ok, true);
        echo PHP_EOL.'Failed Domains: '.print_r($failed, true);
    }

    public static function checkRedirect($from, $contains) 
    {
        if (!self::startsWith($from, 'http://')) {
            $from = 'http://'.$from;
        }

        $raw = file_get_contents($from);

        return strpos($raw, $contains) !== false;
    }

    public static function startsWith($string, $starts) 
    {
        return substr($string, 0, strlen($starts)) == $starts;
    }

    public static function logMessage($msg)
    {
        static $fp;

        if (!is_resource($fp)) {
            $fp = fopen(self::LOG_FILE, 'w');
            fwrite($fp, date(DATE_ISO8601).' '__METHOD__.'(): Logging start.'.PHP_EOL);
        }

        fwrite($fp, date(DATE_ISO8601).' '.trim($msg).PHP_EOL);

    }

    const DOMAINS = <<<EOD
www.domain.cz
www.domain.com
www.example.com
EOD;

}