public function testIsValid()
{
$ean13 = array('7310070030603', '7310070130402', '7310400021554', '7310400021561', '7310500078045', '4000339039029', '5000159382731');
foreach ($ean13 as $e) {
$x = new BarcodeEan13($e);
$this->assertEquals($x->isValid(), true);
}
}
/**
* @return true if input is a valid ISBN-13 code (EAN-13)
*/
static function isValid($s)
{
// XXX improve using regexp who matches on n-n-n-n-n (always 5 numbers divided by -)
$s = str_replace('-', '', $s);
$s = trim($s);
if (strlen($s) != 13 || !is_numeric($s)) {
return false;
}
$ean13 = new BarcodeEan13($s);
if (!$ean13->isValid()) {
return false;
}
return true;
}