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<?php
namespace Illuminate\Http\Concerns;
use Illuminate\Database\Eloquent\Model;
trait InteractsWithFlashData
{
/**
* Retrieve an old input item.
*
* @param string|null $key
* @param \Illuminate\Database\Eloquent\Model|string|array|null $default
* @return string|array|null
*/
public function old($key = null, $default = null)
{
$default = $default instanceof Model ? $default->getAttribute($key) : $default;
return $this->hasSession() ? $this->session()->getOldInput($key, $default) : $default;
}
/**
* Flash the input for the current request to the session.
*
* @return void
*/
public function flash()
{
$this->session()->flashInput($this->input());
}
/**
* Flash only some of the input to the session.
*
* @param array|mixed $keys
* @return void
*/
public function flashOnly($keys)
{
$this->session()->flashInput(
$this->only(is_array($keys) ? $keys : func_get_args())
);
}
/**
* Flash only some of the input to the session.
*
* @param array|mixed $keys
* @return void
*/
public function flashExcept($keys)
{
$this->session()->flashInput(
$this->except(is_array($keys) ? $keys : func_get_args())
);
}
/**
* Flush all of the old input from the session.
*
* @return void
*/
public function flush()
{
$this->session()->flashInput([]);
}
}
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