include ‘PEAR/Registry.php’;
$reg = new PEAR_Registry;

$packages = array(array(”PEAR”, “1.6.2″),
array(”Date”, “1.4.7″),
array(”Date_Holidays”, “0.17.1″),
array(”Validate_IE”, “0.2.1″));

foreach($packages as $package) {
$pkg = $reg->getPackage($package[0]);
$version = $pkg->getVersion();
echo “{$package[0]} - {$package[1]} - “, version_compare($version, $package[1], “>=”) ? “OK”: “BAD”, “\n”;
}

…