PHP 8.1.0 Beta 1 available for testing

cubrid_num_rows

(PECL CUBRID >= 8.3.0)

cubrid_num_rowsGet the number of rows in the result set

Описание

cubrid_num_rows(resource $result): int

The cubrid_num_rows() function is used to get the number of rows from the query result. It can be used for SELECT statements. For INSERT, UPDATE, or DELETE queries, use the cubrid_affected_rows() function.

Note: The cubrid_num_rows() function can only be used for synchronous query; it returns 0 when it is used for asynchronous query.

Список параметров

result

result comes from a call to cubrid_execute(), cubrid_query() and cubrid_prepare()

Возвращаемые значения

Number of rows, when process is successful.

0 when the query was done in async mode.

-1, if SQL statement is not SELECT.

false when process is unsuccessful.

Примеры

Пример #1 cubrid_num_rows() example

<?php
$conn 
cubrid_connect("localhost"33000"demodb""dba");

$req cubrid_execute($conn"SELECT * FROM code");

$row_num cubrid_num_rows($req);
$col_num cubrid_num_cols($req);

printf("Row Num: %d\nColumn Num: %d\n"$row_num$col_num);

cubrid_disconnect($conn);
?>

Результат выполнения данного примера:

Row Num: 6
Column Num: 2

Смотрите также

  • cubrid_execute() - Execute a prepared SQL statement
  • cubrid_num_cols() - Возвращает количество столбцов в наборе результатов
  • cubrid_affected_rows() - Количество строк, затронутых последним SQL-запросом

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