1 files changed, 19 insertions, 0 deletions
diff --git a/engine/lib/input.php b/engine/lib/input.php
index 187242f8e..4b36393d8 100644
--- a/engine/lib/input.php
+++ b/engine/lib/input.php
@@ -63,6 +63,25 @@
 			$CONFIG->input = array();
 		$CONFIG->input[trim($variable)] = trim($value);
 			
+	}
+	
+	/**
+	 * Sanitise file paths for input, ensuring that they begin and end with slashes etc.
+	 *
+	 * @param string $path The path
+	 * @return string
+	 */
+	function sanitise_filepath($path)
+	{
+		// Convert to correct UNIX paths
+		$path = str_replace('\\', '/', $path);
+		
+		// Sort trailing slash
+		$path = trim($path);
+		$path = rtrim($path, " /");
+		$path = $path . "/";
+		
+		return $path;
 	}
 	
 	    /**