Twitter Email scraper Help

<?
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###   twitScrape 0.1b by arvo   ###
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###   twitter email harvester   ###
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###     edit settings below     ###
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// set refresh delay - in seconds
$spd = 3;

// storage file for harvested emails
$eFile = "emails.txt";

// set amount of pages to search - twitter max allowed is 15
$max = 15;

// set search terms - see http://search.twitter.com/operators
$e[0] = "gmail.com";
$e[1] = "hotmail.com";
$e[2] = "aol.com";
$e[3] = "yahoo.com";
$e[4] = "live.com";

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### do not edit below this box! ###
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// get & set session variables
if (is_numeric($_REQUEST['pQ']) && is_numeric($_REQUEST['eQ'])) {

    // temporarily set the variables
    $pQ = $_REQUEST['pQ'];
    $eQ = $_REQUEST['eQ'];

    // check if page limit reached
    if ($pQ > $max) {
        // page limit reached
        $pQ = 1;
        $eQ++;
        if ($eQ > 4) {
            $end = 1;
        } else {
            $end = 0;
        }
    }
    
} else {
    // variables not set, start fresh
    $pQ = 1;
    $eQ = 0;
    $end = 0;
}

// check if done scraping
if ($end > 0) { // done scraping

    // count total emails harvested
    $eCnt = count(file($eFile, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES));

    // display final results
    print '<center># Harvested: ' . $eCnt . '<br>(harvesting complete)<br></center>';
    print '<center><textarea cols="40" rows="25">';
    include($eFile);
    print '</textarea></center>';

} else { // keep scraping

    // set url to scrape
    $url = file_get_contents("http://search.twitter.com/search?page=".$pQ."&q=".$e[$eQ]."&rpp=100");

    // clean content
    $content = strip_tags($url);

    // extract emails
    preg_match_all("([a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+(?:[A-Z]{2}|com|org|net|biz|info)\b)siU",$content,$emails);

    // create email object
    ob_start();
    for ($x = 0; $x < count($emails,1)-1; $x++) {
        print $emails[0][$x] . "\n";
    }
    $output = ob_get_clean();

    // write emails to a file
    file_put_contents( 'emails.txt', file_get_contents('emails.txt') . $output );

    // count total emails harvested
    $eCnt = count(file($eFile, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES));
    
    // display harvested emails
    print '<center># Harvested: ' . $eCnt . ' emails<br>(there may be quite a few dupes)<br></center>';
    print '<center><textarea cols="40" rows="25">';
    include($eFile);
    print '</textarea></center>';

    $pQ++;
    print '<meta http-equiv="Refresh" content="'.$spd.'; url='.$_SERVER['PHP_SELF'].'?eQ='.$eQ.'&pQ='.$pQ.'">';

}
?>