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| // Step 1. Create this class in the middleware folder. | |
| <?php namespace App\Http\Middleware; | |
| use Closure; | |
| class BeforeAutoTrimmer { | |
| /** | |
| * Handle an incoming request. | |
| * | |
| * @param \Illuminate\Http\Request $request | |
| * @param \Closure $next | |
| * @return mixed | |
| */ | |
| public function handle($request, Closure $next) | |
| { | |
| $request->merge(array_map('trim', $request->all())); | |
| return $next($request); | |
| } | |
| } | |
| // Step 2. Register this middleware in the application's global HTTP middleware stack (app/Http/Kernel.php) | |
| protected $middleware = [ | |
| 'Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode', | |
| 'Illuminate\Cookie\Middleware\EncryptCookies', | |
| 'Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse', | |
| 'Illuminate\Session\Middleware\StartSession', | |
| 'Illuminate\View\Middleware\ShareErrorsFromSession', | |
| 'App\Http\Middleware\VerifyCsrfToken', | |
| 'App\Http\Middleware\BeforeAutoTrimmer' | |
| ]; |
Here is how I use it in a static helper class outside Laravel.
// set trimmed & nulled request
static function setRequest () {
self::$request = Request::capture();
self::$request->merge(array_map(function ($value) {
if (is_string($value)) {
if (empty($value)) {
return null;
}
else {
return trim($value);
}
}
else {
return $value;
}
}, self::$request->all()));
}
For form submissions I use an extension of Laravel's request class that I put together here .
You can skip some fields by adding them to the untrimmable array, use dot indexing for nested keys
For Lavavel >= 5.4, please check the middlewares TrimStrings and ConvertEmptyStringsToNull.
You wish not to use strings for referencing class names. Better use \App\Some\Foo::class instead of "\App\Some\Foo" because typing-mistakes can be quickly found with first way but are hidden away with 2nd method as it is only a string where PHP cannot check if the class reference is still valid.
Example: \Apps\Some\Foo::class <-- see the small s in it? It will be quickly found by PHP.
@ShojibFlamon you properly want to compare type-safe, means $item === "", else maybe (int) 0 will be converted to NULL which is not intended (e.g. you have a database column is_enabled which has tinyint(1) unsigned not null default 1 then you surely want 0 be set!
Super helpful! Thank you.