RegPage 5165

<?php
  define ("MaxNameLength", 32);
  define ("WrongChars", "\r\n"); // Type other Chars, which shouldn't be in the Names, behind \r\n, but before "
  define ("AccountFilesPath", "C:\OldCODB\Users\\");
  define ("AccountFilesEnding", ".usr");
?>
 <?php // New Account?
      If (IsSet($_GET["account"]["password"])) {

        // Variables
        $Account = $_GET["account"];
        $Password = $_GET["password"];
        $AllRight = True;
        
        // Wrong Chars?
        For ($I=0; $I<StrLen(WrongChars); $I++) {
          If (StrPos($Account, SubStr(WrongChars,$I,1))) {
            Echo "<p>Your Name musn't contain the char \"".SubStr(WrongChars,$I,1)."\"</p>";
            $AllRight = False;
          }
        }
        
        // File Exists?
        If (file_exists(AccountFilesPath.$Account.AccountFilesEnding)) {
          Echo "<p>This Account already exists!</p>";
          $AllRight = False;
        }
        
        // All Right?
        If ($AllRight) {
          // File-Data
          
          
          $Text .= "$Password
 ";
          
          
          // Create File
          File_Put_Contents (AccountFilesPath.$Account.AccountFilesEnding, $Text);
          
          // Check File
          if(!file_exists(AccountFilesPath.$Account.AccountFilesEnding)) {
            echo "<p>Error!</p>";
          }
          
          Echo "<p>This Account is created succesfully!</p>";
        }
      }
    ?>
<div> </FONT></FONT></FONT></FONT></P></DIV>
    <center></FONT>
    <form action="" type=post>
      <label for="name">Account:<div></label> <input type=text id="name" name="account" size=20 maxlength=<?php Echo MaxNameLength; ?> /><br>
    <h1><center></center></h1>
<label for="name">Password:<div></label> <input type=password id="password" name="password" size=20 maxlength=<?php Echo MaxNameLength; ?> /><br>
    <h1><center></center></h1>
<label for="name">Retype password:<div></label> <input type=password id="password" name="password" size=20 maxlength=<?php Echo MaxNameLength; ?> /><br>
      <button type=submit>Register</button></DIV>