detectar gd, en un script

[NeBeRuS]

Una aportacion... paranoica xDD

function checkgd(){
$gd2="";
ob_start();
phpinfo(8);
$phpinfo=ob_get_contents();
ob_end_clean();
$phpinfo=strip_tags($phpinfo);
$phpinfo=stristr($phpinfo,"gd version");
$phpinfo=stristr($phpinfo,"version");
$end=strpos($phpinfo," ");
$phpinfo=substr($phpinfo,0,$end);
$phpinfo=substr($phpinfo,7);
if (preg_match("/2./",$phpinfo)){$gd2="yes";}
return $gd2;
}