diff --git a/examples/vanilla_php.php b/examples/vanilla_php.php
new file mode 100644
index 0000000..bdf792c
--- /dev/null
+++ b/examples/vanilla_php.php
@@ -0,0 +1,31 @@
+<?php
+  $file_path = 'jmeter-docx.docx';
+  $token = 'api_token';
+
+  if (file_exists($file_path)) {
+    $curl = curl_init();
+    curl_setopt($curl, CURLOPT_URL, 'https://v2.convertapi.com/convert/docx/to/pdf');
+    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
+    curl_setopt($curl, CURLOPT_BINARYTRANSFER, true);
+    curl_setopt($curl, CURLOPT_POST, true);
+    $headers = array(
+        'Accept: application/octet-stream',
+        'Authorization: Bearer ' . $token
+    );
+    curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
+    $postData = array(
+        'file' => new CURLFile($file_path),
+        'storefile' => 'false'
+    );
+    curl_setopt($curl, CURLOPT_POSTFIELDS, $postData);
+    print("Converting...\n");
+    $result = curl_exec($curl);
+    if (curl_getinfo($curl, CURLINFO_HTTP_CODE) == 200) {
+        file_put_contents("result.pdf", $result);
+    } else {
+    print("Server returned error:\n".$result."\n");
+}
+  } else {
+    print('File does not exist: '.$file_path."\n");
+  }
+?>
diff --git a/lib/ConvertApi/ResultFile.php b/lib/ConvertApi/ResultFile.php
index e84ec62..9ac2be6 100644
--- a/lib/ConvertApi/ResultFile.php
+++ b/lib/ConvertApi/ResultFile.php
@@ -36,7 +36,7 @@ function getFileSize()
     }
 
     /**
-     * @return string Converted file contents
+     * @return false|string Converted file contents
      */
     function getContents()
     {
@@ -57,4 +57,4 @@ function save($path)
 
         return ConvertApi::client()->download($this->getUrl(), $path);
     }
-}
\ No newline at end of file
+}