Register A9

<?php 

// fill in your mssql info here 
$mssql = array( 
        'host' => "localhost", 
        'user' => "sa", 
        'pass' => "server" 
    ); 

function anti_injection($sql) { 
   $sql = preg_replace(sql_regcase("/(from|select|insert|delete|where|drop table|show tables|#|\*|--|\\\\)/"),"",$sql); 
   $sql = trim($sql); 
   $sql = strip_tags($sql); 
   $sql = addslashes($sql); 
   return $sql; 
} 


echo "<center>"; 

if($_POST['activ'] == '1') { 

        $accname = anti_injection($_POST['accname']); 
        $accmail = anti_injection($_POST['accmail']); 
         
        $accpass1 = anti_injection($_POST['accpass1']); 
        $accpass2 = anti_injection($_POST['accpass2']); 
     
        $con = mssql_connect($mssql['host'],$mssql['user'],$mssql['pass']); 

        $result1 = mssql_query("SELECT * FROM account.dbo.USER_PROFILE WHERE user_id = '".$_POST['accname']."'",$con);

        $row1 = mssql_num_rows($result1); 
        
         
        $dk_time=strftime("%y%m%d%H%M%S"); 
         list($usec1, $sec1) = explode(" ",microtime()); 
         $dk_user_no=$dk_time.substr($usec1,2,2); 


        if(empty($accname) || empty($accpass1) || empty($accpass2)|| empty($accname) || empty($accmail)) { 
            echo "<br>You didnt fill in all fields<a href='javascript:history.back()'>Go Back</a>"; 
        } elseif($row1 > '0' || $row2 > '0') { 
            echo "<br>This Account name already exists.<a href='javascript:history.back()'>Go Back</a>"; 
        } elseif($row3 > '0') { 
            echo "<br>This E-Mail is already in use.<a href='javascript:history.back()'>Go Back</a>"; 
        } elseif($accpass1 != $accpass2) { 
            echo "<br>The passwords did not match<a href='javascript:history.back()'>Go Back</a>"; 
        } elseif($accpass1 == $accname) { 
            echo "<br>Account name and password are the same.<a href='javascript:history.back()'>Go Back</a>"; 
        } elseif(!preg_match("/^[0-9a-zA-Z]{3,15}$/i", $accname)) { 
            echo "<br>Enter a account name only with 0-9 , a-z and A-Z.<a href='javascript:history.back()'>Go Back</a>"; 
        } elseif(!preg_match("/^[0-9a-zA-Z]{3,15}$/i", $accpass1)) { 
            echo "<br>Enter a password only with 0-9 , a-z and A-Z.<a href='javascript:history.back()'>Go Back</a>"; 
        } elseif(!preg_match("/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/i",$accmail)) { 
            echo "<br>Your e-Mail is not correct.<a href='javascript:history.back()'>Go Back</a>"; 
        } elseif(strlen($accname) < 3 || strlen($accname) > 15) { 
            echo "<br>The Accountname must at least 3 indications long and may maximally 15 indications long.<a href='javascript:history.back()'>Go Back</a>"; 
        } elseif(strlen($accpass1) < 3 || strlen($accpass1) > 15) { 
            echo "<br>The Password must at least 3 indications long and may maximally 15 indications long.<a href='javascript:history.back()'>Go Back</a>"; 
        } else { 

            $accpass = md5($accpass1); 

            mssql_query("INSERT INTO account.dbo.USER_PROFILE (user_no,user_id,user_pwd,resident_no,user_type,login_flag,login_tag,ipt_time,login_time,logout_time,user_ip_addr,server_id) VALUES ('$dk_user_no','".$accname."','".$accpass."','801011000000','1','0','Y','".$date."',null,null,null,'000')",$con); 
            

            echo "<center><b><u>The account was successfully created. Have fun !</b></u></center><br><br>"; 
            echo "<center>Here is your login info again:</center>"; 
            echo "<center>Your account name is: <b>".$accname."</b></center>"; 
            echo "<center>Your password is: <b>".$accpass1."</b></center>"; 
            echo "DO NOT LOOSE THIS INFO, YOU MAY WRITE IS DOWN AND HIDE IT"; 
        } 

} else { 

    $con = mssql_connect($mssql['host'],$mssql['user'],$mssql['pass']); 
    $result1 = mssql_query("SELECT * FROM account.dbo.USER_PROFILE",$con);
    $row1 = mssql_num_rows($result1); 
     
    echo "<center><b><u>This time we have ".$row1." Registed Accounts on our Server<br>Join us.</b></u></center><br>"; 
    echo "<form action='".$_SEVER['PHP_SELF']."' method='POST'>"; 
    echo "<center><table>"; 
    echo "<tr><td colspan='2' align='center'><b><u>Your Account Info</u></b></td></tr>"; 
    echo "<tr><td>Account Name</td><td><input type='text' name='accname' maxlength='12'></td></tr>"; 
    echo "<tr><td>Password</td><td><input type='password' name='accpass1' maxlength='12'></td></tr>"; 
    echo "<tr><td>Again pass.</td><td><input type='password' name='accpass2' maxlength='12'></td></tr>"; 
    echo "<tr><td>&nbsp;</td><td>&nbsp;</td></tr>"; 
    echo "<tr><td colspan='2' align='center'><b><u>Other account info</u></b></td></tr>"; 
    echo "<tr><td>Email</td><td><input type='text' name='accmail' maxlength='50'></td></tr>"; 
    echo "<tr><td>&nbsp;</td><td>&nbsp;</td></tr>"; 
    echo "<tr><td colspan='2' align='center'> 
        <input type='hidden' name='activ' value='1'> 
        <input type='submit' value='Create Account'></td></tr>"; 
    echo "</table></center>"; 
    echo "</form>"; 

} 

echo "</center>"; 

?>