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INTL_IDNA_VARIANT_UTS46 is not supported on all systems (#173)

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* INTL_IDNA_VARIANT_UTS46 is not supported on all systems

Fall back to INTL_IDNA_VARIANT_2003 if INTL_IDNA_VARIANT_UTS46 is not found.

* Fix syntax error

* Update DNSCheckValidation.php
This commit is contained in:
Tom Sommer
2018-08-16 22:49:45 +02:00
committed by Eduardo Gulias Davis
parent 135444003f
commit 54859fabea
1 changed files with 5 additions and 1 deletions
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EmailValidator/Validation/DNSCheckValidation.php
+5 -1
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@@ -51,7 +51,11 @@ class DNSCheckValidation implements EmailValidation
protected function checkDNS($host)
{
$host = rtrim(idn_to_ascii($host, IDNA_DEFAULT, INTL_IDNA_VARIANT_UTS46), '.') . '.';
$variant = INTL_IDNA_VARIANT_2003;
if ( defined('INTL_IDNA_VARIANT_UTS46') ) {
$variant = INTL_IDNA_VARIANT_UTS46;
}
$host = rtrim(idn_to_ascii($host, IDNA_DEFAULT, $variant), '.') . '.';
$Aresult = true;
$MXresult = checkdnsrr($host, 'MX');