add phpcbf fixer

autoload/ale/fix/registry.vim

@@ -77,6 +77,11 @@ let s:default_registry = {
 \       'suggested_filetypes': ['swift'],
 \       'description': 'Apply SwiftFormat to a file.',
 \   },
+\   'phpcbf': {
+\       'function': 'ale#fixers#phpcbf#Fix',
+\       'suggested_filetypes': ['php'],
+\       'description': 'Fix PHP files with phpcbf.',
+\   },
 \}
 
 " Reset the function registry to the default entries.