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niksdevil каза:Здравейте, трябва ми код , който да проверява дали името при регистрация е заето и дали има долна черта в него :idea: ?
<?php
$userName = " User";
$sql = " SELECT * FROM `users` where `name` = {$userName} LIMIT 1 ";
$query = mysql_query($sql);
$usersE = mysql_num_rows($query);
if($usersE != 0 )
{
echo " Potrebitelq e zaet " ;
}
else
{
echo " svoboden potrebitel, produljete natatyk " ;
}
?>
$username = $_POST['username'];
$prov = mysql_query("SELECT * FROM users WHERE username='$username'")or die(mysql_error());
$num = mysql_num_rows($prov);
if($num==1) {echo "заето";}
else {echo "свободно"; if(preg_match("/_/",$username)) {echo "има _";}else{echo "Няма _";}}
<tr><td><?php echo $lang['username']; ?>*</td><td><input id="pole" type="text" name="user" maxlength="30" value="<? echo $form->value("user"); ?>"></td><td><? echo $form->error("user"); ?></td></tr>
<tr><td><?php echo $lang['password']; ?>*</td><td><input id="pole" type="password" name="pass" maxlength="30"></td><td><? echo $form->error("pass"); ?></td></tr>
<tr><td><?php echo $lang['password2']; ?>*</td><td><input id="pole" type="password" name="pass2" maxlength="30"></td><td><? echo $form->error("pass2"); ?></td></tr>
<tr><td><?php echo $lang['email']; ?>*</td><td><input id="pole" type="text" name="email" maxlength="50" value="<? echo $form->value("email"); ?>"></td><td><? echo $form->error("email"); ?></td></tr>
<tr><td><?php echo $lang['sex']; ?>*</td><td><?php echo $lang['man']; ?><input type="radio" name="sex" value="m"> <?php echo $lang['female']; ?><input type="radio" name="sex" value="f"></td><td><? echo $form->error("sex"); ?></td></tr>
<tr><td><?php echo $lang['fname']; ?></td><td><input id="pole" type="text" name="fname"></td></tr>
<tr><td><?php echo $lang['lname']; ?></td><td><input id="pole" type="text" name="lname"></td></tr>
<tr><td><?php echo $lang['city']; ?></td><td><input id="pole" type="text" name="city"></td></tr>
<tr><td></td><td align="center"><img src="include/CaptchaSecurityImages.php?width=100&height=40&characters=5"><br></td></tr>
<tr><td><?php echo $lang['code']; ?>*</td> <td><input id="pole" id="security_code" name="security_code" type="text"></td><td><?php echo $form->error("code"); ?></td></tr>
<tr><td>Регистрация*</td><td><input type="radio" name="sport" value="http://89.215.29.79/stikeri/no.png"><font color=red>имам 12 години*</font>
Това ми е кода