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<?php ');
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');
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function check_email
($email) { // First, we check that there\'s one @ symbol, and that the lengths are right ');
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if (!
ereg("^[^@]{1,64}@[^@]{1,255}$",
$email)) { ');
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// Email invalid because wrong number of characters in one section, or wrong number of @ symbols. ');
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return false;
');
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} // Split it into sections to make life easier ');
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');
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$email_array =
explode("@",
$email);
');
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$local_array =
explode(".",
$email_array[0]);
');
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for ($i =
0;
$i <
sizeof($local_array);
$i++
) { ');
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if (!
ereg("^(([A-Za-z0-9!#$%&\'*+/=?^_`{|}~-][A-Za-z0-9!#$%&\'*+/=?^_`{|}~\.-]{0,63})|(\"[^(\\|\")]{0,62}\"))$",
$local_array[$i])) { ');
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return false;
');
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}');
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} ');
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if (!
ereg("^\[?[0-9\.]+\]?$",
$email_array[1])) { ');
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// Check if domain is IP. If not, it should be valid domain name ');
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$domain_array =
explode(".",
$email_array[1]);
');
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if (sizeof($domain_array) <
2) { ');
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return false;
// Not enough parts to domain ');
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} ');
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for ($i =
0;
$i <
sizeof($domain_array);
$i++
) { ');
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if (!
ereg("^(([A-Za-z0-9][A-Za-z0-9-]{0,61}[A-Za-z0-9])|([A-Za-z0-9]+))$",
$domain_array[$i])) { ');
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return false;
');
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} ');
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} ');
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} ');
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return true;
');
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} ');
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');
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$email =
$_POST[\'email\'];
');
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if(!check_email
($email)){');
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echo "Email is not valid";
');
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}');
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');
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?>');
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');