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MySQLi <?php namespace 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); } } |