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Edit File: HasAttributesTrait.php

<?php
/**
 * @package   SureCartCore
 * @author    SureCart <support@surecart.com>
 * @copyright 2017-2019 SureCart
 * @license   https://www.gnu.org/licenses/gpl-2.0.html GPL-2.0
 * @link      https://surecart.com/
 */

namespace SureCartCore\Helpers;

use SureCartCore\Support\Arr;

/**
 * Represent an object which has an array of attributes.
 */
trait HasAttributesTrait {
	/**
	 * Attributes.
	 *
	 * @var array<string, mixed>
	 */
	protected $attributes = [];

/**
	 * Get attribute.
	 *
	 * @param  string $attribute
	 * @param  mixed  $default
	 * @return mixed
	 */
	public function getAttribute( $attribute, $default = '' ) {
		return Arr::get( $this->getAttributes(), $attribute, $default );
	}

/**
	 * Get all attributes.
	 *
	 * @return array<string, mixed>
	 */
	public function getAttributes() {
		return $this->attributes;
	}

/**
	 * Set attribute.
	 *
	 * @param  string $attribute
	 * @param  mixed  $value
	 * @return void
	 */
	public function setAttribute( $attribute, $value ) {
		$this->setAttributes(
			array_merge(
				$this->getAttributes(),
				[ $attribute => $value ]
			)
		);
	}

/**
	 * Fluent alias for setAttribute().
	 *
	 * @codeCoverageIgnore
	 * @param  string $attribute
	 * @param  mixed  $value
	 * @return static $this
	 */
	public function attribute( $attribute, $value ) {
		$this->setAttribute( $attribute, $value );

return $this;
	}

/**
	 * Set all attributes.
	 * No attempt to merge attributes is done - this is a direct overwrite operation.
	 *
	 * @param  array<string, mixed> $attributes
	 * @return void
	 */
	public function setAttributes( $attributes ) {
		$this->attributes = $attributes;
	}

/**
	 * Fluent alias for setAttributes().
	 *
	 * @codeCoverageIgnore
	 * @param  array<string, mixed> $attributes
	 * @return static               $this
	 */
	public function attributes( $attributes ) {
		$this->setAttributes( $attributes );

return $this;
	}
}

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