Function _fnum

Format a number

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/utility_helper.php

Parameters summary
`integer`	`$value`	A number to be formatted
`integer`	`$decimals = 2`	The decimal places. Default is 2.
`string`	`$unit = ''`	The unit appended to the number (optional)

Return value summary
`string`	The formatted number