Laravel 4 form validation with input values that are arrays

Question

All of my form fields have brackets in their names in order to group them by parent and to identify them as recurring elements, example: fieldName_01[0][0]. Of course, this makes regular use of Laravel's Validator class impossible, as it throws an error referencing that it is not expecting an array. This naming convention is common practice, so this can't be a rare issue.

I've see a couple other similar questions (HERE and HERE), but I can't seem to make sense of them (Laravel noob), or I just don't know how/where to implement the solutions. In this answer, where would I create this extended class? How do I tell Laravel to include it in my project?

Example of my elements:

<div class="form-group col-sm-4'}}">
    {{ Form::label('fieldName_01[0][0]', 'My Element', array('class'=>'col-sm-3'))}}
    <div class="col-sm-7 col-md-6 recurringField">
    {{ Form::text('fieldName_01[0][0]', null, array(
        'class'=>'form-control input-md',
        'placeholder'=>'My Element',
        'data-element-code' => '',
        'data-recur-group' => 'fieldName_01',
        'id'=>'fieldName_01[0][0]',
        'data-fkey' => '0',
        'data-pkey' => '0'
    )) }}
    </div>
</div>

Example of my rule:

'fieldName_01'=>'required|alpha_num|between:2,255'

Example of how I'm calling the validator:

$input = Input::all();
$validator = Validator::make($input, $this->rules);

@ElliotFehr, I'm not exactly sure what you're looking for, but I added some sample code. Let me know if you want to see something else. — jreed121
– jreed121, Commented Apr 24, 2014 at 2:21
@majidarif, I really haven't tried much other than the new examples I just posted. Like I said in my OP, I don't really know where to begin. I will try you answer. — jreed121
– jreed121, Commented Apr 24, 2014 at 2:22

majidarif · Accepted Answer · 2014-04-24 02:53:38Z

8

As per the documentation:

When working on forms with "array" inputs, you may use dot notation to access the arrays:

(warning untested code)

If you have something like user[first_name] then:

'user.first_name' => 'required|between:2,28'

You can handle any errors with:

$errors->first('user.first_name');

So with your problem, you can validate fieldName_01[0][0] like:

'fieldName_01.0.0' => 'required|alpha_num|between:2,255'

edited Apr 24, 2014 at 2:53

answered Apr 23, 2014 at 10:55

majidarif

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2 Comments

jreed121 Over a year ago

It didn't work. The php error is no longer being thrown, but the validator is saying the element wasn't there - it's probably not matching the rule name 'fieldName_01' with the field name 'fieldName_01.0.0'. When I use dd(Input::all()) to see what the imput looks like, the dots are replace by underscores. The fields are dynamic and sometimes their parents are dynamic as well, so there can be 1-99 of them (ie 'fieldName_01.99.99'), this is why I'm handling them in arrays. So Im trying to get away from specifying my rule like 'fieldName_01.0.0', but some how like 'fieldName_01'. Thanks BTW

majidarif Over a year ago

@jreed121 Aaah, I see.

Ajay chaudhary · Accepted Answer · 2016-06-04 07:42:17Z

1

public function rules()
{
  $rules = [
'name' => 'required|max:255',
];

foreach($this->request->get('items') as $key => $val)
{
 $rules['items.'.$key] = 'required|max:10';
}

return $rules;

} this code is use for this

answered Jun 4, 2016 at 7:42

Ajay chaudhary

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