The expression $wsdl of type string|null is loosely compared to true; this is ambiguous if the string can be empty. You might want to explicitly use !== null instead.
In PHP, under loose comparison (like ==, or !=, or switch conditions),
values of different types might be equal.
For string values, the empty string '' is a special case, in particular
the following results might be unexpected:
''==false// true''==null// true'ab'==false// false'ab'==null// false// It is often better to use strict comparison''===false// false''===null// false
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44
1
$this->wsdl = $wsdl;
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1
}
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2
}
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/**
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* Check VAT
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*
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* @param string $countryCode Country code
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* @param string $vatNumber VAT number
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*
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* @return Response\CheckVatResponse
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* @throws ViesException
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*/
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2
public function checkVat($countryCode, $vatNumber)
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{
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try {
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2
return $this->getSoapClient()->checkVat(
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array(
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'countryCode' => $countryCode,
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'vatNumber' => $vatNumber
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)
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);
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2
} catch (SoapFault $e) {
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2
throw new ViesException('Error communicating with VIES service', 0, $e);
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}
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}
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/**
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* Get SOAP client
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*
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* @return \SoapClient
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*/
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2
private function getSoapClient()
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{
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2
if (null === $this->soapClient) {
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2
$this->soapClient = new \SoapClient(
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2
$this->wsdl,
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array(
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2
'classmap' => $this->classmap,
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2
'user_agent' => 'Mozilla', // the request fails unless a (dummy) user agent is specified
ddeboer /
vatin
In PHP, under loose comparison (like
==, or!=, orswitchconditions), values of different types might be equal.For
stringvalues, the empty string''is a special case, in particular the following results might be unexpected: