Function db_count

Perform a count query on the database and return the count

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/db_helper.mysqli.php

Parameters summary
`string`	`$arg1`	The SQL query string or table name
`string\|array`	`$arg2 = null`	<p>The field name to count on or the array of placeholders and their values if the first argument is SQL</p> <pre><code> array( ':placeholder1' => $value1, ':placeholder2' => $value2 ) </code></pre>
`string\|null`	`$arg3 = null`	<p>The field alias if the first argument is table name or the second argument is field name</p>

Return value summary
`integer\|LucidFrame\Core\QueryBuilder`	The result count or QueryBuilder