vendor/illuminate/support/Fluent.php

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<?php

namespace Illuminate\Support;

use ArrayAccess;
use JsonSerializable;
use Illuminate\Contracts\Support\Jsonable;
use Illuminate\Contracts\Support\Arrayable;

class Fluent implements ArrayAccess, Arrayable, Jsonable, JsonSerializable
{
    /**
     * All of the attributes set on the fluent instance.
     *
     * @var array
     */
    protected $attributes = [];

    /**
     * Create a new fluent instance.
     *
     * @param  array|object  $attributes
     * @return void
     */
    public function __construct($attributes = [])
    {
        foreach ($attributes as $key => $value) {
            $this->attributes[$key] = $value;
        }
    }

    /**
     * Get an attribute from the fluent instance.
     *
     * @param  string  $key
     * @param  mixed   $default
     * @return mixed
     */
    public function get($key, $default = null)
    {
        if (array_key_exists($key, $this->attributes)) {
            return $this->attributes[$key];
        }

        return value($default);
    }

    /**
     * Get the attributes from the fluent instance.
     *
     * @return array
     */
    public function getAttributes()
    {
        return $this->attributes;
    }

    /**
     * Convert the fluent instance to an array.
     *