php mysqli num rows

PHP Mysqli common code set and phpmysqli code set Beginning with PHP5.0, you can not only use the early mysql database extension functions, but also use the new extended mysqli technology to exchange information with the mysql database. The mysqli

PHP5.0 began with the use of the early MySQL database extension functions, but also with the new extended mysqli technology to achieve the information exchange with the MySQL database, php mysqli extension is encapsulated in a class, it is an object-

PHP5.0 began, not only can use the early MySQL database extension functions, but also with the new extended mysqli technology to achieve information exchange with the MySQL database, php mysqli extension is encapsulated in a class, it is an

====================MySQL=====================PHPclass MySQL{ Private $mysqli; Private $result; /** * Database connection * @param $config configuration Array*/ Public functionConnect$config) { $host=$config[' Host '];//Host Address

Php tutorial mysql tutorial I preprocessing statement two instance code /* ===================================== Mysqli_stmt preprocessing class (recommended) ======================================= *//* =, Security ==================================

PHP tutorial MySQL Tutorial I preprocessing statements two instance code /*=========================MYSQLI_STMT preprocessing class (recommended) =========================*//*=============================== Advantages: High efficiency, safety ======

Copy CodeThe code is as follows: /** * Mysqli class */ Class Db_mysqli { protected $mysqli; protected $sql; protected $rs; protected $query _num = 0; protected $fetch _mode = MYSQLI_ASSOC; protected $cache _dir = './cache/'; protected $cache _time =

The code for querying data from mysqli is always null is as follows. the code is tested many times and the cause is unknown. the SQL statement contains the query result in Navicat. let's take a look: Function db_connect (){ $ Db = new mysqli ("127.

The code is as follows, test many times, always do not know the reason, SQL statement in Navicat inside have query result, everybody help me to look: function Db_connect () { $db =new mysqli ("127.0.0.1", "root", "admin159753", "51DM",

Non-SELECT statement (with no result set)1. Establishing a Connection database$mysqli =new mysqli ("localhost", "root", "" "," sqldb ");2. Judgingif (Mysqli_connect_error ()) {echo "Failed to connect to database". Mysqli_connect_error ();Exit}3.SQL