Laravel version update

Laravel version update

vendor/egulias/email-validator/EmailValidator/Validation/DNSCheckValidation.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace Egulias\EmailValidator\Validation;
+
+use Egulias\EmailValidator\EmailLexer;
+use Egulias\EmailValidator\Exception\InvalidEmail;
+use Egulias\EmailValidator\Warning\NoDNSMXRecord;
+use Egulias\EmailValidator\Exception\NoDNSRecord;
+
+class DNSCheckValidation implements EmailValidation
+{
+    /**
+     * @var array
+     */
+    private $warnings = [];
+
+    /**
+     * @var InvalidEmail
+     */
+    private $error;
+
+    public function isValid($email, EmailLexer $emailLexer)
+    {
+        // use the input to check DNS if we cannot extract something similar to a domain
+        $host = $email;
+
+        // Arguable pattern to extract the domain. Not aiming to validate the domain nor the email
+        if (false !== $lastAtPos = strrpos($email, '@')) {
+            $host = substr($email, $lastAtPos + 1);
+        }
+
+        return $this->checkDNS($host);
+    }
+
+    public function getError()
+    {
+        return $this->error;
+    }
+
+    public function getWarnings()
+    {
+        return $this->warnings;
+    }
+
+    protected function checkDNS($host)
+    {
+        $host = rtrim(idn_to_ascii($host, IDNA_DEFAULT, INTL_IDNA_VARIANT_UTS46), '.') . '.';
+
+        $Aresult = true;
+        $MXresult = checkdnsrr($host, 'MX');
+
+        if (!$MXresult) {
+            $this->warnings[NoDNSMXRecord::CODE] = new NoDNSMXRecord();
+            $Aresult = checkdnsrr($host, 'A') || checkdnsrr($host, 'AAAA');
+            if (!$Aresult) {
+                $this->error = new NoDNSRecord();
+            }
+        }
+        return $MXresult || $Aresult;
+    }
+}