@@ -47,8 +47,8 @@ Suppose you have a Task form with a tags ``text`` type::
4747 // ...
4848 }
4949
50- Internally the ``tags `` are stored as an array, but they are displayed
51- to the user as a simple string, to make them easier to edit.
50+ Internally, the ``tags `` are stored as an array. But they are displayed
51+ to the user as a simplecomma seperated string, to make them easier to edit.
5252
5353This is a *perfect * time to attach a custom data transformer to the ``tags ``
5454field. The easiest way to do this is with the:class: `Symfony\\ Component\\ Form\\ CallbackTransformer `
@@ -69,13 +69,13 @@ class::
6969
7070 $builder->get('tags')
7171 ->addModelTransformer(new CallbackTransformer(
72- // transform array to string so the input reads easier
73- function ($originalTags) {
74- return implode(', ', $originalTags );
72+ function ($tagsAsArray) {
73+ // transform array to string so the input reads easier
74+ return implode(', ', $tagsAsArray );
7575 },
76- function ($submittedTags ) {
77- // transform the string back toArray
78- return explode(', ', $submittedTags );
76+ function ($tagsAsString ) {
77+ // transform the string back toan array
78+ return explode(', ', $tagsAsString );
7979 }
8080 ))
8181 ;
@@ -84,10 +84,10 @@ class::
8484 // ...
8585 }
8686
87- The ``CallbackTransformer `` takes two callback functions as arguments. The first transforms
88- the original value into a format that'll be used to render the field. The second
89- does the reverse: it transforms the submitted value back into the format you'll use
90- in your code.
87+ The ``CallbackTransformer `` takes two callback functions as arguments. The
88+ first transforms the original value into a format that'll be used to render the
89+ field. The second does the reverse: it transforms the submitted value back into
90+ the format you'll use in your code.
9191
9292..tip ::
9393
@@ -99,7 +99,8 @@ You can also add the transformer, right when adding the field by changing the fo
9999slightly::
100100
101101 $builder->add(
102- $builder->create('tags', 'text')
102+ $builder
103+ ->create('tags', 'text')
103104 ->addModelTransformer(...)
104105 );
105106