Viewing file:  ConvertEmptyStringsToNull.php (1.19 KB) -rw-r--r--
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<?php
namespace Illuminate\Foundation\Http\Middleware;
use Closure;
class ConvertEmptyStringsToNull extends TransformsRequest
{
/**
* All of the registered skip callbacks.
*
* @var array
*/
protected static $skipCallbacks = [];
/**
* Handle an incoming request.
*
* @param \Illuminate\Http\Request $request
* @param \Closure $next
* @return mixed
*/
public function handle($request, Closure $next)
{
foreach (static::$skipCallbacks as $callback) {
if ($callback($request)) {
return $next($request);
}
}
return parent::handle($request, $next);
}
/**
* Transform the given value.
*
* @param string $key
* @param mixed $value
* @return mixed
*/
protected function transform($key, $value)
{
return is_string($value) && $value === '' ? null : $value;
}
/**
* Register a callback that instructs the middleware to be skipped.
*
* @param \Closure $callback
* @return void
*/
public static function skipWhen(Closure $callback)
{
static::$skipCallbacks[] = $callback;
}
}
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