Php select script returns 500 error

Posts: 32

Php select script returns 500 error

Hi Admin!
I have a php code that select values from database but this return 500 error when i execute

Code: Select all

<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="description" content="Free coming soon template with jQuery countdown"> <meta name="author" content=""> <title> Link referinta</title> <!-- Bootstrap --> <link href="assets/css/bootstrap.css" rel="stylesheet"> <link href="assets/css/bootstrap-theme.css" rel="stylesheet"> <link href="assets/css/font-awesome.css" rel="stylesheet"> <!-- siimple style --> <link href="assets/css/style.css" rel="stylesheet"> <!-- ======================================================= Theme Name: WeBuild Theme URL: Author: BootstrapMade Author URL: ======================================================= --> </head> <body> <?php $servername = "localhost"; $username = "website_retea"; $password = ""; $dbname = "website_retea"; // Create connection $conn = new mysqli($servername, $username, $password, $dbname); // Check connection if ($conn->connect_error) { die("Connection failed: " . $conn->connect_error); } $q=$conn->query("SELECT DISTINCT username, email FROM users ORDER BY username"); foreach($q as $cat){ echo '<li id="'.$cat['username'].'" class="files">'; echo '<a href="'.$cat['username'].'">'.$cat['email'].'</a>'; echo '<ul class="sub-menu">'; $linkq=$conn->query("SELECT * FROM users WHERE ref='" . $cat['username'] . "'"); foreach($linkq as $link){ echo '<li><a href="#">'.$link['username'].'</a></li>'; } echo '</ul></li>'; } ?> <div id="wrapper"> <div class="container"> <div class="row"> <div class="col-md-12"> <h1></h1> <h2 class="subtitle">We develop a complex referral system.Copy your referral link and share with your friends</h2> <div id="countdown"></div> <form class="form-inline signup" role="form"> <div class="form-group"> <p style="color:#fff;">You invited : persons </div> </form> <div class="social"> <a href="#"><i class="fa fa-facebook" aria-hidden="true"></i></a> <a href="#"><i class="fa fa-twitter" aria-hidden="true"></i></a> <a href="#"><i class="fa fa-google-plus" aria-hidden="true"></i></a> <a href="#"><i class="fa fa-linkedin" aria-hidden="true"></i></a> </div> </div> </div> <div class="row"> <div class="col-lg-6 col-lg-offset-3"> <p class="copyright">&copy; - All Rights Reserved</p> <div class="credits"> <!-- All the links in the footer should remain intact. You can delete the links only if you purchased the pro version. Licensing information: Purchase the pro version form: --> <a href="">Free Bootstrap Themes</a> by <a href="">BootstrapMade</a> </div> </div> </div> </div> </div> <script src=""></script> <script src="assets/js/bootstrap.min.js"></script> <script src="assets/js/jquery.countdown.min.js"></script> </body> </html>
Have you any ideea why this don't work?

That problem is not from that script, generally the 500 error is from server problems or from some code in .htaccess file.

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