<?php
$conn = mysqli_connect('localhost', 'suachtzr_sonic', 'trinhlam', 'suachtzr_sonic') or die ('DIE SQL');

function Select($table, $countRow = false, $where = "")
{
	global $conn;
	$SQL = "SELECT * FROM `" .$table. "` ";
	if($where != "")
	{
		$SQL .= " WHERE " . $where;
	}
	if($group != '')
	{
		$SQL .= " " . $group;
	}
	mysql_set_charset('utf8', $conn);
	$result = mysqli_query($conn, $SQL);
	$row = mysqli_num_rows($result);
	//echo $SQL;
	if($countRow) return $row;
	return $result;
}
function Insert($table, $data = array())
{
	global $conn;
	if(is_array($data) && count($data) > 0)
	{
		$SQL = "INSERT INTO `" .$table. "` ";
		$key_insert = "(";
		$item_insert = "(";
		foreach($data as $key => $item)
		{
			$key_insert .= "`".$key."`, ";
			$item_insert .= "'".$item."', ";
		}
		$key_insert = trim($key_insert, ", ") . ")";
		$item_insert = trim($item_insert, ", ") . ")";
		$SQL .= $key_insert . " VALUES " . $item_insert;
		mysqli_query($conn, $SQL);
	}
}
function Update($table, $data = array(), $where = "")
{
	global $conn;
	if(is_array($data) && count($data) > 0)
	{
		$SQL = "UPDATE `" .$table. "` SET ";
		$item_query = "";
		foreach($data as $key => $item)
		{
			if($item != 'NULL')
			{
				$item_query .= "`".$key."` = " . "'".$item."', ";
			}
			else
			{
				$item_query .= "`".$key."` = NULL, ";
			}
		}
		$SQL .= trim($item_query, ", ");
		if($where != "")
		{
			$SQL .= " WHERE " . $where;
		}
		mysqli_query($conn, $SQL);
	}
}