php - Replace whitespace with hyphen in URL -


i trying create seo friendly site. @ moment page works because id shown in url product.php?id=4 want replace id product_name, value can contain whitespaces, url looks product.php?product_name=fence%20panel doesn't work because use variable product details in database, , when thinks 1 word no product found. think need variable adds hyphen product.php?product_name=fence-panel variable changes hyphen space. correct me if i'm wrong

if(isset($_get['id'])){  $id = $_get['id'];  //get product if exists  //if no product give message  $sql = mysqli_query($mynewconnection, "select * products id='$id' limit 1");  $productcount = mysqli_num_rows($sql);  if ($productcount > 0) {      //get product details      while($row = mysqli_fetch_array($sql)){          $product_name = $row["product_name"];          $price = $row["price"];          $details = $row["details"];          $category = $row["category"];          $date_added = strftime("%b %d, %y", strtotime($row["date_added"]));          $_session['product_price_array'] = $price;      }  } else{      echo "no product in system";      exit();  }

use rawurlencode() , rawurldecode(). see the php documentation examples. won't add hyphens want. add hyphens try doing following after encoding: $str = str_replace('-', '%2d', $str);. , should once again , swap 2 first parameters before decoding, too!


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