laravel field validation code example
Example 1: validate laravel
$validatedData = $request->validate([
'title' => ['required', 'unique:posts', 'max:255'],
'body' => ['required'],
]);
Example 2: laravel validation example
use Illuminate\Support\Facades\Validator;
$validator = Validator::make(['data' => $value],
['data' => 'string|min:1|max:10']
);
if ($validator->fails()) {
}
$validator = Validator::make(['data' => $array],
['email' => 'string|min:1|max:10'],
['username' => 'string|min:1|max:10'],
['password' => 'string|min:1|max:10'],
['...' => '...']
);
if ($validator->fails()) {
}
Example 3: laravel validation
$rules = ['name' => 'unique:users,name'];
$input = ['name' => ''];
Validator::make($input, $rules)->passes();
Example 4: laravel validation
<?php
namespace App\Providers;
use Illuminate\Support\ServiceProvider;
use Illuminate\Support\Facades\Validator;
class AppServiceProvider extends ServiceProvider
{
public function register()
{
}
public function boot()
{
Validator::extend('foo', function ($attribute, $value, $parameters, $validator) {
return $value == 'foo';
});
}
}
Example 5: laravel validation
<!-- /resources/views/post/create.blade.php -->
<h1>Create Post</h1>
@if ($errors->any())
<div class="alert alert-danger">
<ul>
@foreach ($errors->all() as $error)
<li>{{ $error }}</li>
@endforeach
</ul>
</div>
@endif
<!-- Create Post Form -->