Revision: 43864
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at April 1, 2011 13:32 by frederichoule
Initial Code
function validEmail($email) {
$isValid = true;
$atIndex = strrpos($email, "@");
if (is_bool($atIndex) && !$atIndex) {
$isValid = false;
} else {
$domain = substr($email, $atIndex+1);
$local = substr($email, 0, $atIndex);
$localLen = strlen($local);
$domainLen = strlen($domain);
if ($localLen < 1 || $localLen > 64) {
$isValid = false;
} else if ($domainLen < 1 || $domainLen > 255) {
$isValid = false;
} else if ($local[0] == '.' || $local[$localLen-1] == '.') {
$isValid = false;
} else if (preg_match('/\\.\\./', $local)) {
$isValid = false;
} else if (!preg_match('/^[A-Za-z0-9\\-\\.]+$/', $domain)) {
$isValid = false;
} else if (preg_match('/\\.\\./', $domain)) {
$isValid = false;
} else if (!preg_match('/^(\\\\.|[A-Za-z0-9!#%&`_=\\/$\'*+?^{}|~.-])+$/',str_replace("\\\\","",$local))) {
if (!preg_match('/^"(\\\\"|[^"])+"$/',str_replace("\\\\","",$local))) {
$isValid = false;
}
}
if ($isValid && !(checkdnsrr($domain,"MX") || checkdnsrr($domain,"A"))) {
$isValid = false;
}
}
return $isValid;
}
Initial URL
Initial Description
Initial Title
E-Mail Address Validation
Initial Tags
validation
Initial Language
PHP