Validating a value with an array, Laravel validation. value must be one in the array

Question

I am trying to validate a value by checking the value is in an array, this is what I have so far:

$agency_names = Session::get('config.agency-names');
$request->validate([
   'agency-name' => 'required|array:' . $agency_names . ''
]);

$agency_names (output):

0:
  AgencyID: "A1169"
  AgencyName: "19 London"
  AgencyType: "Agency Plus"

1:
  AgencyID: "A1095"
  AgencyName: "Abbeville Nannies"
  AgencyType: "Affiliate"

Any help would be appreciated.

Updated code:

$agencies = Session::get('config.agency-names');

$names = array_map(fn($agency_data): string => $agency_data->AgencyName, $agencies);

$request->validate(['agency-name' => 'required', Rule::in($names)]);

Updated code (resolved)

$agencies = Session::get('config.agency-names');
    $agency_names = array();
    for ($x = 0; $x < count($agencies['Agencies']); $x++) {
        $name = $agencies['Agencies'][$x]["AgencyName"];
        array_push($agency_names, $name);
    }

$request->validate(['agency-name' => ['required_if:referral,no', Rule::in($agency_names)]]);

Szaman · Accepted Answer · 2021-11-12 11:26:06Z

2

Check out the documentation on Laravel validaion rules, specifically the in rule.

Assuming $agency_names is an array, you can do this:

use Illuminate\Validation\Rule;

...

$request->validate([
  'agency-name' => [
    'required',
    Rule::in($agency_names),
]);

PS. Seeing the structure of your $agency_names array, you should map it first with $names = array_map(fn($agency_data): string => $agency_data->AgencyName, $agency_names);. I also suggest renaming $agency_names to $agencies, because the variable name is misleading.

edited Nov 12, 2021 at 11:26

answered Nov 12, 2021 at 10:21

Szaman

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11 Comments

JED BOYLE Over a year ago

Thanks, I am getting this error now 'ErrorException Array to string conversion' I have tried using the implode method tho convert the array to a string but still get the same error.

Szaman Over a year ago

so.. agency-name is an array? can you give an example of what it might contain? and what is $agency_names?

JED BOYLE Over a year ago

I have added the JSON for the $agency_names array. I tried looping the array and pushing the 'AgencyName' value into a separate array to use instead.

Szaman Over a year ago

please add it to your original post, not to my answer.

Szaman Over a year ago

and i saw your edit added an example for $agency_names but you still didn't answer what is the type of the incoming agency-name and an example for that. in my answer i assumed it to be a string, like the variable name suggests, but i think you might be using an array, hence the error.

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