Get Number Indexed Pages By Google

<?php
    function getNumberIndexedPagesByGoogle($site) {
        $url = "http://www.google.com/search?hl=en&q=site:" . $site . "&btnG=&meta=";
        $source = file_get_contents($url);
        $ok = preg_match_all('/<b>([0-9][0-9\.]*?)<\/b>/', $source, $m, PREG_SET_ORDER);
        if ($ok < 3) $rn = 0;
        else $rn = str_replace(".", "", $m[2][1]);
        return intval($rn);
    }
    
    echo getNumberIndexedPagesByGoogle("codjng.blogspot.com");
?>