?? validateform.php
字號:
<?php
$valid = "false";
$message = "An unknown error occurred.";
if (isset($_GET["txtUsername"])) {
//load array of usernames
$usernames = array();
$usernames[] = "SuperBlue";
$usernames[] = "Ninja123";
$usernames[] = "Daisy1724";
$usernames[] = "NatPack";
//check usernames
if (in_array($_GET["txtUsername"], $usernames)) {
$message = "This username already exists. Please choose another.";
} else if (strlen($_GET["txtUsername"]) < 8) {
$message = "Username must be at least 8 characters long.";
} else {
$valid = "true";
$message = "";
}
} else if (isset($_GET["txtBirthday"])) {
$date = strtotime($_GET["txtBirthday"]);
if ($date < 0) {
$message = "This is not a valid date.";
} else {
$valid = "true";
$message = "";
}
} else if (isset($_GET["txtEmail"])) {
if(!eregi(
"^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$",
$_GET["txtEmail"])) {
$message = "This e-mail address is not valid";
} else {
$valid = "true";
$message = "";
}
}
echo "$valid||$message"; ?>
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