function abbNumber($var)
{
    if(($var/1000000000)>1)
    {
        $retVal=round($var/1000000000,1).' hundred million';
    }
    else if(($var/1000000)>1)
    {
        $retVal=round($var/1000000,1).' million';
    }
    else if(($var/1000)>1)
    {
        $retVal=round($var/1000,1).' thousand';
    }
    else
    {
        $retVal=$var;
    }
    return $retVal;
}

echo abbNumber(5234000);

?>
// 5.2 million

echo abbNumber(5234000000);
5.2 hundred million
echo abbNumber(523400000);
523.4 million
echo abbNumber(523400);
523.4 thousand
echo abbNumber(5.234);
5.234

$x - 1300000;
$text = ($x / 1000000) . ' Million';