(PHP 5, PHP 7, PHP 8)
mysqli_stmt::close -- mysqli_stmt_close — Closes a prepared statement
面向对象风格
过程化风格
Closes a prepared statement. mysqli_stmt_close() also deallocates the statement handle. If the current statement has pending or unread results, this function cancels them so that the next query can be executed.
总是返回 true
。