Да не се регистрират

[haus]

Искам да попитам как да направя на регистрацията ми да не се регистрират хора със симето demo

 

[kriss]

if($_POST['username'] == 'demo'){echo"Не може да се регистрираш с името demo"}else{//koda ti//}

само си промени username

 

[haus]

като го сложа страницата изчезва
ето го кода ще го сложиш ли

<?php
if(isset($_POST['submit']) && $_SESSION['name'] == NULL)
{
if($_POST['name'] == NULL || $_POST['pass1'] == NULL || $_POST['pass2'] == NULL || $_POST['mail'] == NULL)
{
echo '
<table class="error1-reg" width="40%" align="center">
<td class="error-reg" rowspan="4" width="5%" align="center">
<img src="images/task_error.gif" width="33" border="0" height="33">
</td>
<td width="50%" align="center"><span style="font-weight: bold;">Този емайл е зает.</span></td>
</table>';
}

elseif($_POST['pass1'] != $_POST['pass2'])
{
echo '
<table class="error1-reg" width="40%" align="center">
<td class="error-reg" rowspan="4" width="5%" align="center">
<img src="images/task_error.gif" width="33" border="0" height="33">
</td>
<td width="50%" align="center"><span style="font-weight: bold;">Паролите не си съвпадат.</span></td>
</table>';
}

else
{
$name = htmlspecialchars($_POST['name']);
$pass = md5($_POST['pass1']);
$mail = htmlspecialchars($_POST['mail']);
$sex = htmlspecialchars($_POST['sex']);
$cars = htmlspecialchars($_POST['cars']);
$insert = "INSERT INTO `users` (`name` , `pass` , `mail` , `sex`, `cars`, `ban`) VALUES ('$name', '$pass', '$mail', '$sex', '$cars', '0')";

$select_users = mysql_query('SELECT * FROM users WHERE mail="'.$mail.'"');

if(mysql_num_rows($select_users)==0)
{
if(mysql_query($insert))
{
echo '
<table class="active1-reg" width="36%" align="center">
<td class="active-reg" rowspan="4" width="5%" align="center">
<img src="images/task_done.gif" width="33" border="0" height="33">
</td>
<td width="50%" align="center"><span style="font-weight: bold;">Успешно се регистрирахте.</span></td>
</table>';
}
else
{
echo '
<table class="error1-reg" width="40%" align="center">
<td class="error-reg" rowspan="4" width="5%" align="center">
<img src="images/task_error.gif" width="33" border="0" height="33">
</td>
<td width="50%" align="center"><span style="font-weight: bold;">Регистрацията не е успешна.</span></td>
</table>';
}
}
else
{
echo '
<table class="error1-reg" width="46%" align="center">
<td class="error-reg" rowspan="4" width="5%" align="center">
<img src="images/task_error.gif" width="33" border="0" height="33">
</td>
<td width="50%" align="center"><span style="font-weight: bold;">Има потребител с този имейл адрес.</span></td>
</table>';
}
}
}
?>

 

[NewGuy]

	 <?php 
if(isset($_POST['submit']) && $_SESSION['name'] == NULL) 
{ 
if($_POST['name'] == NULL || $_POST['pass1'] == NULL || $_POST['pass2'] == NULL || $_POST['mail'] == NULL) 
{ 
echo ' 
<table class="error1-reg" width="40%" align="center"> 
<td class="error-reg" rowspan="4" width="5%" align="center"> 
<img src="images/task_error.gif" width="33" border="0" height="33"> 
</td> 
<td width="50%" align="center"><span style="font-weight: bold;">Този емайл е зает.</span></td> 
</table>'; 
} 

elseif($_POST['pass1'] != $_POST['pass2']) 
{ 
echo ' 
<table class="error1-reg" width="40%" align="center"> 
<td class="error-reg" rowspan="4" width="5%" align="center"> 
<img src="images/task_error.gif" width="33" border="0" height="33"> 
</td> 
<td width="50%" align="center"><span style="font-weight: bold;">Паролите не си съвпадат.</span></td> 
</table>'; 
} 

else 
{ 
$name = htmlspecialchars($_POST['name']); 
$pass = md5($_POST['pass1']); 
$mail = htmlspecialchars($_POST['mail']); 
$sex = htmlspecialchars($_POST['sex']); 
$cars = htmlspecialchars($_POST['cars']); 
if($name=="demo")
{
    echo "Забранено е използването на това име";
}
else
{

$insert = "INSERT INTO `users` (`name` , `pass` , `mail` , `sex`, `cars`, `ban`) VALUES ('$name', '$pass', '$mail', '$sex', '$cars', '0')"; 

$select_users = mysql_query('SELECT * FROM users WHERE mail="'.$mail.'"'); 

if(mysql_num_rows($select_users)==0) 
{ 
if(mysql_query($insert)) 
{ 
echo ' 
<table class="active1-reg" width="36%" align="center"> 
<td class="active-reg" rowspan="4" width="5%" align="center"> 
<img src="images/task_done.gif" width="33" border="0" height="33"> 
</td> 
<td width="50%" align="center"><span style="font-weight: bold;">Успешно се регистрирахте.</span></td> 
</table>'; 
} 
else 
{ 
echo ' 
<table class="error1-reg" width="40%" align="center"> 
<td class="error-reg" rowspan="4" width="5%" align="center"> 
<img src="images/task_error.gif" width="33" border="0" height="33"> 
</td> 
<td width="50%" align="center"><span style="font-weight: bold;">Регистрацията не е успешна.</span></td> 
</table>'; 
} 
} 
else 
{ 
echo ' 
<table class="error1-reg" width="46%" align="center"> 
<td class="error-reg" rowspan="4" width="5%" align="center"> 
<img src="images/task_error.gif" width="33" border="0" height="33"> 
</td> 
<td width="50%" align="center"><span style="font-weight: bold;">Има потребител с този имейл адрес.</span></td> 
</table>'; 
}
}
} 
} 
?>

 

[haus]

Мерси много и на двамата
чудясе на ко и да дам сега точка но ще я дам на първия помогнал