簡介:
所以我做了一個PHP用戶名檢查,如果被請求的用戶名是在數組中。檢查如果文本是數組,但不是一個情況下,PHP敏感
問題:
現在的問題是,如果代碼檢查該用戶名的數組中列出,它是一個區分大小寫,有一個方法,以除去if (in_array($username, $special))
區分大小寫?
代碼:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta http-equiv="x-ua-compatible" content="ie=edge">
<title>Check Username</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.2/css/bootstrap.min.css" integrity="sha384-y3tfxAZXuh4HwSYylfB+J125MxIs6mR5FOHamPBG064zB+AFeWH94NdvaCBm8qnd" crossorigin="anonymous">
</head>
<body>
<br>
<div class="container">
<form method="post">
<input type="text" name="username" placeholder="Username">
<input type="submit" value="Check">
</form>
<?php
$username = $_POST['username'];
# this is the Array
$special = array("Admin", "Mod");
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
if (in_array($username, $special)) {
echo "Username not available!";
} else {
echo "The username is available!";
}
}
?>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.2/js/bootstrap.min.js" integrity="sha384-vZ2WRJMwsjRMW/8U7i6PWi6AlO1L79snBrmgiDpgIWJ82z8eA5lenwvxbMV1PAh7" crossorigin="anonymous"></script>
</body>
</html>