PHP: MySQLi (generic usage example)

MySQLi.php

$mysqli = new mysqli($host,$user,$pass,$db,$port);
if ($mysqli->connect_errno) 
{
	error_log('Database Connection Error: '.$db.' (URI: '.$_SERVER["REQUEST_URI"].'): #'.$mysqli->connect_errno.' - '.$mysqli->connect_error, 0);
	return false;
}
else
{
	$aReturn = array();
	if ($result = $mysqli->query($sql)) 
	{
		$aReturn['num_rows'] = (isset($result->num_rows)) ? $result->num_rows : 0;
		$aReturn['field_count'] = (isset($result->field_count)) ? $result->field_count : null;
		$aReturn['thread_id'] = (isset($result->thread_id)) ? $result->thread_id : null;
		if ($aReturn['num_rows'] > 0) 
		{
			$aResults = array();
			while ($row = $result->fetch_object()) $aResults[] = $row;
			$aReturn['results'] = (object)$aResults;
		} 
		else 
		{
			$aReturn['results'] = null;
		}
		return (object)$aReturn;
	} 
	else 
	{
		error_log('MySQL Error: #'.$mysqli->errno.' - '.$mysqli->error, 0);
		return false;
	}
	$result->free();
}
$mysqli->close();
unset($mysqli);