PHP 7.2 compatibility

_config.php

@@ -8,6 +8,10 @@ if (!file_exists(BASE_PATH . DIRECTORY_SEPARATOR . DMS_DIR)) {
     user_error('DMS directory named incorrectly. Please install the DMS module into a folder named: ' . DMS_DIR);
 }
 
+// Ensure compatibility with PHP 7.2 ("object" is a reserved word),
+// with SilverStripe 3.6 (using Object) and SilverStripe 3.7 (using SS_Object)
+if (!class_exists('SS_Object')) class_alias('Object', 'SS_Object');
+
 CMSMenu::remove_menu_item('DMSDocumentAddController');
 
 ShortcodeParser::get('default')->register(

code/DMS.php

@@ -1,5 +1,5 @@
 <?php
-class DMS extends Object implements DMSInterface
+class DMS extends SS_Object implements DMSInterface
 {
     /**
      * Folder to store the documents in

code/cms/DMSUploadField.php

@@ -132,7 +132,7 @@ class DMSUploadField extends UploadField
                 // Search for relations that can hold the uploaded files.
                 if ($relationClass = $this->getRelationAutosetClass()) {
                     // Create new object explicitly. Otherwise rely on Upload::load to choose the class.
-                    $fileObject = Object::create($relationClass);
+                    $fileObject = SS_Object::create($relationClass);
                 }
             }