implemented image upload and cropping system, mostly work. it's too zoomed in and appears to be using the xy coords from the top left of the crop selector.

functions/functions.php

@@ -1,5 +1,85 @@
 <?php
 
+if (!empty($_FILES['upload'])) {
+    require_once '../vendor/autoload.php';
+
+    // Load environment variables.
+    $dotenv = Dotenv\Dotenv::createImmutable(__DIR__ . '/../');
+    $dotenv->safeLoad();
+    upload($_FILES['upload'], $_ENV['UPLOAD_TMP_FQ_PATH'], isset($_POST['filename']) ? $_POST['filename'] : null);
+}
+
+function upload($input, $dest_dir, $filename = null)
+{
+    $filetype = strtolower(pathinfo($input['name'], PATHINFO_EXTENSION));
+
+    switch ($filetype) {
+        case 'png':
+        case 'jpg':
+        case 'jpeg':
+            if (check_image_upload($dest_dir, $filetype, $input)) {
+                move_uploaded_file($input['tmp_name'], $dest_dir . ($filename ? $filename . '.' . $filetype : $input['name']));
+                if ($filename)
+                    return basename($filename . '.' . $filetype);
+                else
+                    return basename($input['name'] . '.' . $filetype);
+            } else
+                return '';
+            break;
+        default:
+            # code...
+            break;
+    }
+}
+
+function crop_image($img_path, $x, $y, $height, $width)
+{
+    //$dest = $_ENV['UPLOAD_TMP_FQ_PATH'];
+    $dest = '/tmp/';
+    // Get the image type
+    $imageType = exif_imagetype($img_path);
+
+    // Create an image resource from the source image
+    switch ($imageType) {
+        case IMAGETYPE_JPEG:
+            $sourceImage = imagecreatefromjpeg($img_path);
+            break;
+        case IMAGETYPE_PNG:
+            $sourceImage = imagecreatefrompng($img_path);
+            break;
+        default:
+            return false; // Unsupported image type
+    }
+
+    if (!$sourceImage)
+        return false; // Failed to create image resource
+
+    // Create a new image resource for the cropped image
+    $croppedImage = imagecreatetruecolor($width, $height);
+
+    // Copy the cropped portion from the source image to the destination image
+    imagecopy($croppedImage, $sourceImage, 0, 0, $x, $y, $width, $height);
+
+    // Save the cropped image to the destination path
+    switch ($imageType) {
+        case IMAGETYPE_JPEG:
+            imagejpeg($croppedImage, $img_path);
+            break;
+        case IMAGETYPE_PNG:
+            imagepng($croppedImage, $dest);
+            break;
+        case IMAGETYPE_GIF:
+            imagegif($croppedImage, $dest);
+            break;
+    }
+
+    // Free up memory
+    imagedestroy($sourceImage);
+    imagedestroy($croppedImage);
+
+    return true; // Cropping successful
+}
+
 /*
  * Reads in file contents and stores as a single string.
  */
@@ -10,9 +90,14 @@ function read_file_one_string($file_path)
     return $string;
 }
 
+function check_image_upload($target, $filetype, $image)
+{
+    return true;
+}
+
 function pretty_dump($arr)
 {
-    return '
+    echo '
     <pre>
         ' . print_r($arr) . '
     </pre>