API CHANGE Moved PostBackup class to module (see r63758)

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@63759 467b73ca-7a2a-4603-9d3b-597d59a354a9

filesystem/PostBackup.php

@@ -1,41 +0,0 @@
-<?php
-/**
- * Writes the POST array to a file as a last-ditch effort to preserve entered data.
- * @package forms
- * @subpackage core
- */
-class PostBackup extends Object {
-	
-	static function writeToFile($data, $controller, $form) {
-		
-		// the static variable defines whether or not to backup a posted form
-		if(!$form->stat('backup_post_data'))
-			return;
-		
-		// Append to the file
-		if(!file_exists(BACKUP_DIR))
-			mkdir(BACKUP_DIR, Filesystem::$folder_create_mask, true);
-		
-		$backupFile = fopen(BACKUP_DIR . '/' . $form->class, 'a');
-		
-		$date = date('Y-m-d G:i:s');
-		
-		$postData = var_export($data, true);
-		
-		$backup = <<<BAK
-***BEGIN ENTRY***
-Date and time:		{$date}
-URL:				http://{$_SERVER['HTTP_HOST']}:{$_SERVER['SERVER_PORT']}{$_SERVER['PHP_SELF']}?{$_SERVER['QUERY_STRING']}	
-Client IP:			{$_SERVER['REMOTE_ADDR']}
-Controller:			{$controller->class}
-
-$postData
-***END ENTRY***
-BAK;
-
-		fwrite($backupFile, $backup);
-		fclose($backupFile);
-	}
-	
-}
-?>

forms/Form.php

@@ -23,8 +23,6 @@
  */
 class Form extends RequestHandlingData {
 	
-	public static $backup_post_data = false;
-	
 	/**
 	 * Accessed by Form.ss; modified by formHtmlContent.
 	 * A performance enhancement over the generate-the-form-tag-and-then-remove-it code that was there previously