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Is there a difference between a single quote regex and and double quote regex ? for example : <?php $res1 = preg_match('/shi*t/', $comment); $res2 = preg_match("/shi*t/", $comment); ?> Thank you

I've followed a few tutorials, as I've never touched drop down before (more of a conventional navbar guy ). But none are dropping the nested list . I even took the code from one, no changes made, and it still didn't drop the menu This is as far as I got on this tutorial (http://line25.com/tutorials/how-to-create-a-pure-css-dropdown-menu) before coming here #topbar-navigation { width: 101%; margin: 0 auto; ; margin-top: -8px; height: 56px; background: #ffffff; display: inline-block; text-align: center; min-width: 1100px; -webkit-box-shadow: 0 1px 8px 0px #b5b5b5; -moz-box-shadow: 0 1px 8px 0px #b5b5b5; box-shadow: 0 1px 8px 0px #b5b5b5; } #topbar-navigation ul { display: inline-table; list-style: none; position: absolute; margin-left: auto; margin-right: auto; margin-top: 20px; top: 0; left: 765px; right: 0; } #topbar-navigation ul:after { content: ""; clear: both; display: block; } #topbar-navigation ul ul { display: none; } #topbar-navigation ul li:hover > ul { display: block; } #topbar-navigation ul li a { display: block; padding: 25px 40px; color: #99a0a8; text-decoration: none; font-family: 'sinkin_sans400_regular'; font-size: 12px; } <div id="topbar-navigation"> <a href="index.php"><img src="images/moduniverselogo.png" class="site-logo" draggable="false" /></a> <ul> <li><a href="#">Welcome, <b style="color:#ff924e" ><?php echo $user->data['username'] ?></b></a></li> <ul> <li><a href="#">My Profile</a></li> <li><a href="#">Edit Account</a></li> <li><a href="#">Log Out</a></li> </ul> </ul> </div> I want it nested to the right like on the site currently: http://i.imgur.com/llZPUbZ.png

I'm trying to learn how to create a single page layout, I've tried to mimic other layouts just from looking at them, but I don't know how to style it properly so it works smoothly. I think I've made a huge boo-boo http://gamer-cafe.net/juliesjungle/index.html#About

If i hit Edit button i got these error before i click Submit <? if ($_GET['do'] == 'test2') { $id = ($_POST['id']); $username = cleanuserinput($_POST['username']); $password = cleanuserinput($_POST['password']); $rpassword = cleanuserinput($_POST['rpassword']); $pass = md5($_POST['password']); if(isset($_POST['delete'])){ mysql_query("delete from admin where id='".$id."'"); print '<center><font color=black>Admin has been deleted!</font><br>'; } if(isset($_POST['edit'])){ //Make sure username isn't blank if (!$username){ $error .= '<font color=red>Sorry, the username was empty.</font><br>'; } //Make sure password isn't blank if (!$password){ $error .= '<font color=red>Sorry, your password was empty.</font><br>'; } //Make sure both passwords match if ($password != $rpassword) { $error .= '<font color=red>Passwords Doesn\'t Match!</font><br>'; } //Check username length if (!ctype_alnum($username) || strlen($username) < 4 || strlen($username) > 15) { $error .= '<font color=red>Username must be between 4-15 characters!</font><br>'; } //Check password length if (!ctype_alnum($password) || strlen($password) < 4 || strlen($password) > 15) { $error .= '<font color=red>Password must be between 4-15 characters.</font><br>'; } if (!$error){ $sql_update = "UPDATE admin set username = '$username', password= '$pass' where id='".$id."'"; $result = mysql_query ($sql_update) or die(mysql_error()); print "<center><font color=black>User ". $_POST['username'] ." Has been edited.</font><br>"; } $get_admin = mysql_query("select * from admin where id='".$id."'"); $admin = mysql_fetch_array($get_admin); echo $error . "<form action='?do=test2' method='post'> <table> <tr><th colspan=20>Edit Admin</th></tr> <tr><td><b>Username<font color=red>*</font></b></td><td><div><small>[ 4-15 characters ]</small></div><input name='username' type='text' maxlength='50' size='25' tabindex='1' value='".$admin['username']."'></td></tr> <tr><td><b>Password<font color=red>*</font></b></td><td><div><small>[ 4-15 characters ]</small></div><input name='password' type='text' maxlength='50' size='25' tabindex='2' value=''></td></tr> <tr><td><b>Password 2<font color=red>*</font></b></td><td><input name='rpassword' type='text' maxlength='50' size='25' tabindex='3' value=''></td></tr> </table> <input type=hidden name=id value='".$admin['id']."'> <div align='center'><br><input type='submit' name='submit' tabindex='4' value='Submit'></div> </form>"; } else { print" <table width=90%> <tr><th colspan=20>Current Admin</th></tr> <td>Admin Name</td> <td>Added Date</td> <td align=center>Action</td>"; $get_admin = mysql_query("select * from admin "); while ($row = mysql_fetch_array($get_admin)){ print " <tr> <td>". $row['username'] ."</td> <td>". $row['date'] ."</td> <td align=center> <form method=POST> <input name=id type=hidden value='".$row['id']."'> <input type=submit name=edit value='Edit'> <input type=submit name=delete value='Delete'> </td> </form> </tr>"; } print "</table>"; } } else { admin_wrong_file(); } ?>