After "ceo" posted about the imap function I was eager to try it out
and got rather disappointed pretty soon.
imap_rfc822_parse_adrlist() should not be used for email validation!
EXAMPLE:
<?php
var_dump(imap_rfc822_parse_adrlist('"! # $ % & * + - / = ? ^ _ ` { |
} ~"', ''));
?>
The above code will output:
array(1) {
[0]=>
object(stdClass)(2) {
["mailbox"]=>
string(36) "! # $ % & * + - / = ? ^ _ ` { | } ~"
["host"]=>
string(0) ""
}
}
Although
"! # $ % & * + - / = ? ^ _ ` { | } ~"@example.com
would be a valid email address!
Without the '@example.com' it is not.
Have a look at the user comments at [1], where one user has further examples.
[1] http://us.php.net/manual/en/function.imap-rfc822-parse-adrlist.php
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