/home/kueuepay/www/vendor/laravel/framework/src/Illuminate/Http/Concerns/InteractsWithFlashData.php
<?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([]);
    }
}
Best Practice

Best Practices

To ensure a smooth integration process and optimal performance, follow these best practices:

  1. Use secure HTTPS connections for all API requests.
  2. Implement robust error handling to handle potential issues gracefully.
  3. Regularly update your integration to stay current with any API changes or enhancements.