PHP

how to add an custom error to validater error in laravel

if (request('event') == null) {
    $validator->errors()->add('event', 'Please select an event');
}

laravel custom validation exception

// In the controller
throw IlluminateValidationValidationException::withMessages([
    "one_thing" => ["Validation Message #1"], 
    "another_thing" => ['Validation Message #2']
]);

give custom field name in laravel form validation error message

$this->validate([ // 1st array is field rules
  'userid' =>'required|min:3|max:100',
  'username' =>'required|min:3',
  'password' =>'required|max:15|confirmed',
], [ // 2nd array is the rules custom message
  'required' => 'The :attribute field is mandatory.'
], [ // 3rd array is the fields custom name
  'userid' => 'User ID'
]);

laravel custom validation

php artisan make:rule RuleName

laravel custom validation

namespace AppRules;

use IlluminateContractsValidationRule;

class GreaterThanTen implements Rule
{
    // Should return true or false depending on whether the attribute value is valid or not.
    public function passes($attribute, $value)
    {
        return $value > 10;
    }

    // This method should return the validation error message that should be used when validation fails
    public function message()
    {
        return 'The :attribute must be greater than 10.';
    }
}