Skip to content

validation-rules.md

Latest commit

 

History

History
170 lines (126 loc) · 3.1 KB

validation-rules.md

File metadata and controls

170 lines (126 loc) · 3.1 KB
Raw

Validation Rules

Validate geographic and linguistic data in Laravel requests.

Available Rules

  • ValidCountry - Validates country identifiers
  • ValidCurrency - Validates currency codes
  • ValidCity - Validates city names
  • ValidLanguage - Validates language codes

Valid Country

use Ritechoice23\Worldable\Rules\ValidCountry;

$request->validate([
    'country' => ['required', new ValidCountry()],
]);

Accepts: 'Nigeria', 'NG', 'NGA', or 1

Custom Message

$request->validate([
    'country' => [
        'required',
        (new ValidCountry())->withMessage('Please select a valid country'),
    ],
]);

Valid Currency

use Ritechoice23\Worldable\Rules\ValidCurrency;

$request->validate([
    'currency' => ['required', new ValidCurrency()],
]);

Accepts: 'USD', 'US Dollar', or 1

Valid City

use Ritechoice23\Worldable\Rules\ValidCity;

$request->validate([
    'city' => ['nullable', new ValidCity()],
]);

Accepts: 'Lagos', 'New York', or 1

Valid Language

use Ritechoice23\Worldable\Rules\ValidLanguage;

$request->validate([
    'language' => ['required', new ValidLanguage()],
]);

Accepts: 'English', 'en', or 1

Form Request Validation

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;
use Ritechoice23\Worldable\Rules\{ValidCountry, ValidLanguage};

class UpdateProfileRequest extends FormRequest {
    public function rules(): array {
        return [
            'country' => ['required', new ValidCountry()],
            'languages' => ['array'],
            'languages.*' => [new ValidLanguage()],
        ];
    }

    public function messages(): array {
        return [
            'country.required' => 'Please select your country',
        ];
    }
}

Validating Arrays

Multiple Values

$request->validate([
    'countries' => ['required', 'array'],
    'countries.*' => [new ValidCountry()],
]);

Nested Arrays

$request->validate([
    'locations' => ['required', 'array'],
    'locations.*.country' => ['required', new ValidCountry()],
    'locations.*.city' => ['required', new ValidCity()],
]);

Combining Rules

use Illuminate\Validation\Rule;

$request->validate([
    'country' => [
        'required',
        new ValidCountry(),
        'different:previous_country',
    ],
    
    'currency' => [
        'required',
        new ValidCurrency(),
        Rule::in(['USD', 'EUR', 'GBP']),
    ],
    
    'languages' => [
        'required',
        'array',
        'min:1',
        'max:5',
    ],
    'languages.*' => [new ValidLanguage()],
]);

Conditional Validation

use Illuminate\Validation\Rule;

$request->validate([
    'billing_country' => ['required', new ValidCountry()],
    
    'shipping_country' => [
        'required_if:needs_shipping,true',
        new ValidCountry(),
    ],
    
    'billing_city' => [
        Rule::requiredIf(fn () => $request->billing_country === 'US'),
        new ValidCity(),
    ],
]);

Related