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php function to verify email address

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2016-07-25 09:03:15897browse
  2. function is_valid_email($email, $test_mx = false)
  3. {
  4. if(eregi("^([_a-z0-9-]+)(.[_a-z0-9-]+)*@([a-z0-9-]+)(.[a-z0-9-]+)*(.[a-z]{2,4})$", $email))
  5. if($test_mx)
  6. {
  7. list($username, $domain) = split("@", $email);
  8. return getmxrr($domain, $mxrecords);
  9. }
  10. else
  11. return true;
  12. else
  13. return false;
  14. }
  15. ?>
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