Update .codedocs

Author: jcheron

.codedocs

@@ -945,7 +945,7 @@ IMAGE_PATH             =
 # need to set EXTENSION_MAPPING for the extension otherwise the files are not
 # properly processed by doxygen.
 
-INPUT_FILTER           = documentation/filters/traits.php
+INPUT_FILTER           = php documentation/filters/traits.php
 
 # The FILTER_PATTERNS tag can be used to specify filters on a per file pattern
 # basis. Doxygen will compare the file name with each pattern and apply the