diff --git a/autoload/argwrap.vim b/autoload/argwrap.vim
index c620654..35f704c 100644
--- a/autoload/argwrap.vim
+++ b/autoload/argwrap.vim
@@ -219,30 +219,32 @@ function! argwrap#unwrapContainer(range, container, arguments, padded)
     exec printf('silent %d,%dd_', a:range.lineStart + 1, a:range.lineEnd)
 endfunction
 
-function! argwrap#getSetting(name, default)
+function! argwrap#getSetting(name)
     let l:bName = 'b:argwrap_' . a:name
     let l:gName = 'g:argwrap_' . a:name
 
-    if exists(l:bName)
-        return {l:bName}
-    elseif exists(l:gName)
-        return {l:gName}
-    else
-        return a:default
+    return exists(l:bName) ? {l:bName} : {l:gName}
+endfunction
+
+function! argwrap#initSetting(name, value) abort
+    let l:setting = 'g:argwrap_'.a:name
+
+    if !exists(l:setting)
+        let {l:setting} = a:value
     endif
 endfunction
 
 function! argwrap#toggle()
     let l:cursor = getpos('.')
 
-    let l:linePrefix = argwrap#getSetting('line_prefix', '')
-    let l:padded = argwrap#getSetting('padded_braces', '')
-    let l:tailComma = argwrap#getSetting('tail_comma', 0)
-    let l:tailCommaBraces = argwrap#getSetting('tail_comma_braces', '')
-    let l:tailIndentBraces = argwrap#getSetting('tail_indent_braces', '')
-    let l:wrapBrace = argwrap#getSetting('wrap_closing_brace', 1)
-    let l:commaFirst = argwrap#getSetting('comma_first', 0)
-    let l:commaFirstIndent = argwrap#getSetting('comma_first_indent', 0)
+    let l:linePrefix = argwrap#getSetting('line_prefix')
+    let l:padded = argwrap#getSetting('padded_braces')
+    let l:tailComma = argwrap#getSetting('tail_comma')
+    let l:tailCommaBraces = argwrap#getSetting('tail_comma_braces')
+    let l:tailIndentBraces = argwrap#getSetting('tail_indent_braces')
+    let l:wrapBrace = argwrap#getSetting('wrap_closing_brace')
+    let l:commaFirst = argwrap#getSetting('comma_first')
+    let l:commaFirstIndent = argwrap#getSetting('comma_first_indent')
 
     let l:range = argwrap#findClosestRange()
     if !argwrap#validateRange(l:range)
diff --git a/autoload/argwrap/hooks/filetype/php/200_smart_brace.vim b/autoload/argwrap/hooks/filetype/php/200_smart_brace.vim
index 37cc691..0a2db46 100644
--- a/autoload/argwrap/hooks/filetype/php/200_smart_brace.vim
+++ b/autoload/argwrap/hooks/filetype/php/200_smart_brace.vim
@@ -18,10 +18,7 @@ function! s:fixMethodOpeningBraceAfterWrap(range, container, arguments) abort "
   let l:lineEnd = a:range.lineEnd + len(a:arguments)
 
   " Add 1 more line if the brace is also wrapped
-  " TODO define default values on the plugin level so that extension can
-  " request an option value without having to pass them all as argument or
-  " having to duplicate the default value
-  if 0 != argwrap#getSetting('wrap_closing_brace', 1)
+  if 0 != argwrap#getSetting('wrap_closing_brace')
     let l:lineEnd += 1
   endif
 
@@ -55,13 +52,13 @@ function! argwrap#hooks#filetype#php#200_smart_brace#pre_unwrap(range, container
 endfunction  " }}}
 
 function! argwrap#hooks#filetype#php#200_smart_brace#post_wrap(range, container, arguments) abort " {{{
-  if argwrap#getSetting('php_smart_brace', 0)
+  if argwrap#getSetting('php_smart_brace')
     call s:fixMethodOpeningBraceAfterWrap(a:range, a:container, a:arguments)
   endif
 endfunction  " }}}
 
 function! argwrap#hooks#filetype#php#200_smart_brace#post_unwrap(range, container, arguments) abort " {{{
-  if argwrap#getSetting('php_smart_brace', 0)
+  if argwrap#getSetting('php_smart_brace')
     call s:fixMethodOpeningBraceAfterUnwrap(a:range, a:container, a:arguments)
   endif
 endfunction  " }}}
diff --git a/plugin/argwrap.vim b/plugin/argwrap.vim
index 41ce181..2be1244 100644
--- a/plugin/argwrap.vim
+++ b/plugin/argwrap.vim
@@ -17,7 +17,16 @@
 " IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 " CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-let g:argwrap_filetype_hooks = {}
+call argwrap#initSetting('line_prefix', '')
+call argwrap#initSetting('padded_braces', '')
+call argwrap#initSetting('tail_comma', 0)
+call argwrap#initSetting('tail_comma_braces', '')
+call argwrap#initSetting('tail_indent_braces', '')
+call argwrap#initSetting('wrap_closing_brace', 1)
+call argwrap#initSetting('comma_first', 0)
+call argwrap#initSetting('comma_first_indent', 0)
+call argwrap#initSetting('filetype_hooks', {})
+call argwrap#initSetting('php_smart_brace', 0)
 
 command! ArgWrap call argwrap#toggle()