maxdb_num_rows

maxdb_num_rows

(PECL)

maxdb_num_rows --  Gets the number of rows in a result

Description

Procedural style:

int maxdb_num_rows ( resource result )

Object oriented style (property):

class maxdb {

int num_rows

}

Returns the number of rows in the result set.

The use of maxdb_num_rows() depends on whether you use buffered or unbuffered result sets. In case you use unbuffered resultsets maxdb_num_rows() will not correct the correct number of rows until all the rows in the result have been retrieved.

Return Values

Returns number of rows in the result set.

Note: If the number of rows is greater than maximal int value, the number will be returned as a string.

Example

Example 1. Object oriented style

<?php
$maxdb
= new maxdb("localhost", "MONA", "RED", "DEMODB");

/* check connection */
if (maxdb_connect_errno()) {
   
printf("Connect failed: %s\n", maxdb_connect_error());
   exit();
}

if (
$result = $maxdb->query("SELECT cno, name FROM hotel.customer ORDER BY name")) {

   
/* determine number of rows result set */
   
$row_cnt = $result->num_rows;

   
printf("Result set has %d rows.\n", $row_cnt);

   
/* close result set */
   
$result->close();
}

/* close connection */
$maxdb->close();
?>

Example 2. Procedural style

<?php
$link
= maxdb_connect("localhost", "MONA", "RED", "DEMODB");

/* check connection */
if (maxdb_connect_errno()) {
   
printf("Connect failed: %s\n", maxdb_connect_error());
   exit();
}

if (
$result = maxdb_query($link, "SELECT cno, name FROM hotel.customer ORDER BY name")) {

   
/* determine number of rows result set */
   
$row_cnt = maxdb_num_rows($result);

   
printf("Result set has %d rows.\n", $row_cnt);

   
/* close result set */
   
maxdb_free_result($result);
}

/* close connection */
maxdb_close($link);
?>

The above examples would produce the following output:

Result set has 15 rows.
© Copyright 2003-2014 www.php-editors.com. The ultimate PHP Editor and PHP IDE site.