php7 兼容 MySQL 相关函数

php7 兼容 MySQL 相关函数

PHP7 废除了 ”mysql.dll” ，推荐使用 mysqli 或者 pdo_mysql

http://PHP.net/manual/zh/mysqlinfo.api.choosing.php

http://blog.csdn.NET/beimuaihui/article/details/50235907

《Discuz X3.2 对 PHP7 的兼容性处理 》 https://branchzero.com/tech/discuz-x32-php7.html

// *************** PHP7 START ***************
if(!function_exists('mysql_pconnect')){
    $mysqli = mysqli_connect("$dbhost:$dbport", $dbuser, $dbpass, $dbname);
    function mysql_pconnect($dbhost, $dbuser, $dbpass){
        global $dbport;
        global $dbname;
        global $mysqli;
        $mysqli = mysqli_connect("$dbhost:$dbport", $dbuser, $dbpass, $dbname);
        return $mysqli;
        }
    function mysql_select_db($dbname){
        global $mysqli;
	    return mysqli_select_db($mysqli,$dbname);
        }
    function mysql_fetch_array($result){
        return mysqli_fetch_array($result);
        }
    function mysql_fetch_assoc($result){
        return mysqli_fetch_assoc($result);
        }
    function mysql_fetch_row($result){
        return mysqli_fetch_row($result);
        }
    function mysql_query($query){
        global $mysqli;
	    return mysqli_query($mysqli,$query);
        }
    function mysql_escape_string($data){
        global $mysqli;
		return mysqli_real_escape_string($mysqli, $data);
        //return addslashes(trim($data));
        }
    function mysql_real_escape_string($data){
        return mysql_real_escape_string($data);
		}
	function mysql_close(){
	    global $mysqli;
        return mysqli_close($mysqli);
        }
}