php - result of while loop showing differently -
in first page of site user suppose see categories, under each category there sub-categories. fetching these categories , sub-categoires database. there 2 tables in database called "category" , "subcategory" , have tried merge these 2 tables. ouput should this
but getting ouput
here code
<?php $host="localhost"; $user="root"; $pass=""; $db="doc"; $conn=mysqli_connect($host,$user,$pass,$db); $show=mysqli_query($conn,"select distinct a.id, a.category_name, b.subcat_name, b.cat_name category a, subcategory b a.category_name = b.cat_name"); ?> <html lang="en"> <head> <title>home</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="http://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.4.0/css/font-awesome.min.css"> <link href="css/custom.css" rel="stylesheet"> <link href="bootstrap/css/bootstrap.min.css" rel="stylesheet"> <script src="bootstrap/bootstrap.min.js"></script> <script src="js/jquery.min.js"></script> </head> <body> <div class="col-lg-3 sidebar"> <?php while($showsub = mysqli_fetch_assoc($show)) { ?> <ul> <li><i class="fa fa-cube"></i><a href="category.php?id=<?php echo $showsub['id']; ?>"><?php echo $showsub['category_name']; ?></a> <ul style="list-style-type:circle"> <li><?php echo $showsub['subcat_name']; ?></li> </ul> </li> </ul> <?php }; ?> </div> </body> </html> i stuck here last 2 days.
<?php $host="localhost"; $user="root"; $pass=""; $db="doc"; $conn=mysqli_connect($host,$user,$pass,$db); ?> <html lang="en"> <head> <title>home</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="http://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.4.0/css/font-awesome.min.css"> <link href="css/custom.css" rel="stylesheet"> <link href="bootstrap/css/bootstrap.min.css" rel="stylesheet"> <script src="bootstrap/bootstrap.min.js"></script> <script src="js/jquery.min.js"></script> </head> <body> <div class="col-lg-3 sidebar"> <?php $cat = mysqli_query($conn,"select distinct id, category_name category"); while($rowcat = mysqli_fetch_assoc($cat)) { $catname = $rowcat['category_name']; ?> <ul> <li> <i class="fa fa-cube"></i> <a href="category.php?id=<?php echo $rowcat['id']; ?>"> <?php echo $rowcat['category_name']; ?> </a> <?php $subcat = mysqli_query($conn,"select * subcategory cat_name='$catname'"); while($rowsubcat = mysqli_fetch_assoc($subcat)) {?> <ul style="list-style-type:circle"> <li><?php echo $rowsubcat['subcat_name']; ?></li> </ul> <?php }?> </li> </ul> <?php }?> </div> </body> </html> 
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