Switch to empty
native function to check emptiness
Switch to `empty` because depending on the PHP version, substr returns '' or false
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@ -138,7 +138,7 @@ class EmailValidator extends ConstraintValidator
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*/
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private function checkMX($host)
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{
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return '' !== $host && checkdnsrr($host, 'MX');
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return !empty($host) && checkdnsrr($host, 'MX');
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}
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/**
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@ -150,6 +150,6 @@ class EmailValidator extends ConstraintValidator
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*/
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private function checkHost($host)
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{
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return '' !== $host && ($this->checkMX($host) || (checkdnsrr($host, 'A') || checkdnsrr($host, 'AAAA')));
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return !empty($host) && ($this->checkMX($host) || (checkdnsrr($host, 'A') || checkdnsrr($host, 'AAAA')));
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}
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}
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