Question

I’m looking for a way to do a function with php when clicking on a link.
I mean to delete an item when clicking on this link. I got my code set up like this:

$files = glob("upload/*.*");

if(count($files) == 0){
echo "No files present";
} else {
foreach ( $files as $file ) {
    $array = explode("/", $file);
    //echo $array[1] . "<br>";
    echo "<tr>";
    echo "<td>" . $array[1] . "</td>";
    echo '<td><img height="70" width="auto" src=" ' . $file . '" ></td>';
    echo '<td><a href="">Delete item</a></td>';
    echo "</tr>";
}
}

Answer 1

In your main script:

$files = glob("upload/*.*");
if(!count($files)){
   echo "No files present";
} else {
   foreach ($files as $file) {
      $array = explode("/", $file);
      echo "<tr>";
      echo "<td>" . $array[1] . "</td>";
      echo '<td><img height="70" width="auto" src=" ' . $file . '" ></td>';
      echo '<td><a href="delete.php?file='.rawurlencode($file).'">Delete item</a></td>';
      echo "</tr>";
   }
}

In your delete script:

if (isset($_GET['file']) && $file = rawurldecode($_GET['file'])) {
   if (file_exists('upload/' . $file)) 
      unlink($file);
}

You might want to pass in another $_GET parameter (secret token) for added security – otherwise it’ll open up your uploads directory to permanent threat. You can send a random sha1() hash or system-defined configuration value, and have your delete script expect a 40-char string.