Laravel filled validation rule for array element

Question

I need to check input array of strings and raise warning if at least one of array elements is empty.

The following rule is used:

return Validator::make($data, [
    'branches'         => 'array',
    'branches.*'       => 'filled|max:255'
    ]);

However it seems filled rule doesn't work (while min:1 works fine). Should it work with array elements or not?

UPDATE: branches array is not mandatory, but if exists it should contain non empty elements.

UPDATE: Finally found mistake in my validation rule. It should look like

return Validator::make($data, [
    'branches'         => 'array',
    'branches.*.*'       => 'filled|max:255'
    ]);

since input array is array of arrays. Now filled rule works as expected with my input data.

Lars Mertens · Accepted Answer · 2017-10-31 20:13:38Z

5

Use required instead

return Validator::make($data, [
    'branches'         => 'required|array',
    'branches.*'       => 'required|max:255'
]);

From the documentation: https://laravel.com/docs/5.5/validation#available-validation-rules

required

The field under validation must be present in the input data and not empty. A field is considered "empty" if one of the following conditions are true:

The value is null.

The value is an empty string.

The value is an empty array or empty Countable object.

The value is an uploaded file with no path.

If you want to validate the array only if there is field data present use filled. You can combine this with present.

return Validator::make($data, [
    'branches'         => 'present|array',
    'branches.*'       => 'filled|max:255'
]);

filled

The field under validation must not be empty when it is present.

present

The field under validation must be present in the input data but can be empty.

edited Oct 31, 2017 at 20:13

answered Oct 31, 2017 at 20:02

Lars Mertens

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3 Comments

user947668 Over a year ago

these fields are not mandatory, but shouldn't be empty if exist in input request.

Lars Mertens Over a year ago

@user947668 Is the array itself allowed to be empty? With 'branches.*' => 'required|max:255' I'm checking if the fields are empty for each row of the array here.

Lars Mertens Over a year ago

@user947668 else use filled instead

Mr. Pyramid · Accepted Answer · 2017-10-31 20:21:28Z

2

Considering your comment you should try nullable

return Validator::make($data, [
    'branches'         => 'nullable|array',
    'branches.*'       => 'nullable|max:255'
]);

OR

You can use presentthis will ensure that array should be passed either with values or just an empty array

return Validator::make($data, [
    'branches'         => 'present|array',
    'branches.*'       => 'nullable|max:255'
]);

edited Oct 31, 2017 at 20:21

answered Oct 31, 2017 at 20:11

Mr. Pyramid

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