Function validation_set

Setter for Validation class properties

Package: PHPLucidFrame\Core
Copyright: Copyright (c), PHPLucidFrame.
License: MIT License This source file is subject to the MIT license that is bundled with this source code in the file LICENSE
Author: Sithu sithu@phplucidframe.com
Located at helpers/validation_helper.php

Parameters summary
`string`	`$key`	The property name
`mixed`	`$value = null`	The value for the property