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MySQLi<?phpnamespace IMooc\Database;use IMooc\IDatabase;class MySQLi implements IDatabase{ protected $conn; function connect($host, $user, $passwd, $dbname) { $conn = mysqli_connect($host, $user, $passwd, $dbname); $this->conn = $conn; } function query($sql) { return mysqli_query($this->conn, $sql); } function close() { mysqli_close($this->conn); }} |
