Ability to customize filenames, replacing the standard UNIX timestamp + random

inc/config.php

@@ -353,6 +353,10 @@
 	// $config['allowed_ext_files'][] = 'txt';
 	// $config['allowed_ext_files'][] = 'zip';
 	
+	// An alternative function for generating a filename, instead of the default UNIX timestamp with appended random digits
+	// http://tinyboard.org/wiki/index.php?title=Filenames
+	// $config['filename_func'] = 'some_function_you_have_created';	
+	
 	// Non-image file icons
 	$config['file_icons']['default']	= 'file.png';
 	$config['file_icons']['zip']		= 'zip.png';

post.php

@@ -311,6 +311,9 @@
 		
 		if($post['has_file']) {
 			$post['extension'] = strtolower(substr($post['filename'], strrpos($post['filename'], '.') + 1));
+			if(isset($config['filename_func']))
+				$post['file_id'] = $config['filename_func']($post);
+			else
 				$post['file_id'] = time() . rand(100, 999);
 			$post['file'] = $board['dir'] . $config['dir']['img'] . $post['file_id'] . '.' . $post['extension'];
 			$post['thumb'] = $board['dir'] . $config['dir']['thumb'] . $post['file_id'] . '.' . ($config['thumb_ext'] ? $config['thumb_ext'] : $post['extension']);