On Sat, Mar 7, 2009 at 7:10 PM, Sashikanth Gurram <sashi34u@xxxxxx> wrote:
> Hello everyone,
>
> I am using a WAMP server for my coding purposes. My MySQL Version is
> 5.0.51b, PHP version is 5.2.6 and Apache version is 2.2.8
>
> I have created a database with one of the tables containing a location of
> the image. Using PHP I am trying to retrieve the location of the image (from
> the mysql db) and display it in a browser. I have, with help from php-db
> mailing list user's help, created a code to do the same. Now, the problem
> is, the code is extracting the location details of the image exactly and it
> is even getting the image details. But it is simply not dispalying the
> image. Instead of displaying the image, it is printing a hell lot of binary
> characters (For example: 2!
> !22222222222222222222222222222222222222222222222222ÿÀ ^ " ÿÄ
> ÿĵ } !1A Qa "q 2 ‘¡ #B±Á RÑð$3br‚
> %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyzƒ„…†‡ˆ‰Š’“”•–—˜™š¢£¤¥¦§¨©ª²³´µ¶·¸¹ºÂÃÄÅÆÇÈÉÊÒÓÔÕÖ×ØÙÚáâãäåæçèéêñòóôõö÷øùúÿÄ
> ÿĵ w !1 AQ aq "2 B‘¡±Á #3Rð brÑ
> $4á%ñ &'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz‚ƒ„…†‡ˆ‰Š’“”•–—˜™š¢£¤)
>
> I have tried in two forums and mailing lists but none of them have
> completely answered my question. How do I get rid of these signs and display
> the original image in its place? And to display the image successfully, is
> it really necessary to create the image retrieval and displaying code in a
> seperate PHP file? Any PHP gurus, enthusiasts, newbies out there, Please
> help me out.
>
> I am posting the code below so that you can directly see what I have done
> till now. The name of the php file is mysqli.php. The location of the image
> is stored to the variable $location. The image retrieval code is present
> towards end of the file.
>
> Thanks,
> Sashi
>
> <html>
> <body>
> <form action="mysqli.php" method="post">
> <br>
> <div align="center">
> Building Name:<select name="name">
> <option value=""> Select a Building</option>
> <option value="Williams Hall">Williams Hall</option>
> <option value="Women's Softball Field">Women's Softball Field</option>
> <option value="Wright House">Wright House</option>
> </select>
> </div>
> <input type="submit" />
> </form>
> <?php
> // Connects to your Database
> $host="*******";
> $user="*******";
> $password="*******";
> $dbname="*******";
> $cxn=mysqli_connect($host, $user, $password, $dbname) ;
> if (!$cxn=mysqli_connect($host, $user, $password, $dbname))
> {
> $error=mysqli_error($cxn);
> echo "$error";
> die();
> }
> else
> {
> echo "Connection established successfully";
> }
> //Define the variables for Day and Month
> $Today=date("l");
> $Month=date("F");
> $build=$_POST["name"];
> $low_speed=2.5;
> $high_speed=4;
> $hour=date("G");
> $minute=date("i");
> if ($minute>=00 && $minute<=14)
> {
> $minute=00;
> }
> elseif ($minute>=15 && $minute<=29)
> {
> $minute=15;
> }
> elseif ($minute>=30 && $minute<=44)
> {
> $minute=30;
> }
> else
> {
> $minute=45;
> }
> $times="$hour:$minute";
> $sql="SELECT buildingname, parking_lot_name, empty_spaces, distance,
> round(distance/($low_speed*60),1) AS low_time,
> round(distance/($high_speed*60),1) AS high_time, Location FROM buildings,
> buildings_lots, parkinglots, occupancy2, Image where
> (buildings.buildingcode=occupancy2.building AND
> buildings.buildingcode=buildings_lots.building_code AND
> parkinglots.parking_lot_code=buildings_lots.parking_lot_code AND
> parkinglots.parking_lot_code=occupancy2.parking_lot AND
> Buildings.BuildingCode=Image.BuildingCode) AND buildingname='$build' AND
> month='$Month' AND day='$Today' AND Time='$times'";
> $data = mysqli_query($cxn,$sql);
> if (!$data=mysqli_query($cxn,$sql))
> {
> $error=mysqli_error($cxn);
> echo "$error";
> die();
> }
> else
> {
> echo "<br>";
> echo "Query sent successfully";
> }
> echo "<br>";
> echo "<h1> PARKING LOT INFORMATION <h1>";
> echo "<table border='1' cellspacing='5' cellpadding='2'>";
> echo "<tr>\n
> <th>Building</th>\n
> <th>Parking Lot</th>\n
> <th>Estimated Number of Empty Spaces</th>\n
> <th>Distance (Feet)</th>\n
> <th>Estimated walking time to the building</th>\n
> </tr>\n";
> while ($row=mysqli_fetch_array($data))
> {
> extract($row);
> $building = $row[0];
> $parking_lot = $row[1];
> $Number_of_Empty_Spaces = $row[2];
> $Distance = $row[3];
> $time_l = $row[4];
> $time_h=$row[5];
> $location=$row[6];
> echo "<tr>\n
> <td>$building</td>\n
> <td>$parking_lot</td>\n
> <td>$Number_of_Empty_Spaces</td>\n
> <td>$Distance</td>\n
> <td>$time_h - $time_l mins</td>\n
> <td>$location</td>\n
> </tr>\n";
> }
> echo "</table>\n";
> $err=1;
> if ($img = file_get_contents("$location", FILE_BINARY))
> {
> if ($img = imagecreatefromstring($img)) $err = 0;
> }
> if ($err)
> {
> header('Content-Type: text/html');
> echo '<html><body><p style="font-size:9px">Error getting
> image...</p></body></html>';
> }
> else
> {
> header('Content-Type: image/jpeg');
> imagejpeg($img);
> echo '<img src="mysqli.php?&img=' . $location . '" border="1" height="150"
> width="200" alt="' . $build . '">';
> imagedestroy($img);
> }
> ?>
> </body>
> </html>
how are you storing the image in the database? i believe youll want to make
it a BLOB of some type. also, depending on the application, many folks
prefer to just place images directly on the filesystem, then reference their
location on the filesystem in the database.
-nathan
