dist/api/utils/imgUtils.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace api\utils;
+
+use Psr\Http\Message\UploadedFileInterface;
+
+class imgUtils
+{
+    /**
+     * Checks and uploads a file to the given directory
+     * @param string $targetDir - Directory to upload the file to
+     * @param UploadedFileInterface $img - File to upload
+     * @return string|array - String with error message or array with the location of the uploaded file
+     */
+    public function uploadFile(string $targetDir, UploadedFileInterface $img): string|array
+    {
+        $targetFile = $targetDir . basename($img->getClientFilename());
+        $uploadOk = 1;
+        $imageFileType = strtolower(pathinfo($targetFile, PATHINFO_EXTENSION));
+
+        // Check if file already exists
+        if (file_exists($targetFile))
+        {
+            return "The file already exists";
+        }
+
+        // Check file size
+        if ($img->getSize() > 2000000)
+        {
+            return "The file is too large, max 2MB";
+        }
+
+        // Allow certain file formats
+        if ($imageFileType != "jpg" && $imageFileType != "png" && $imageFileType != "jpeg" && $imageFileType != "gif")
+        {
+            return "Only JPG, JPEG, PNG & GIF files are allowed";
+        }
+
+        $img->moveTo($targetFile);
+
+        return array("imgLocation" => $targetFile);
+    }
+}