maxdb_stmt_num_rows

maxdb_stmt::num_rows

(PECL maxdb >= 1.0)

maxdb_stmt_num_rows -- maxdb_stmt::num_rows — Return the number of rows in statements result set

설명

절차식 형식

int maxdb_stmt_num_rows ( resource $stmt )

객체 기반 형식

int $maxdb_stmt->num_rows;

Returns the number of rows in the result set.

반환값

An integer representing the number of rows in result set.

예제

Example #1 객체 기반 형식


<?php
/* Open a connection */
$maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB");

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

$query = "SELECT zip, name FROM hotel.city ORDER BY name";
if ($stmt = $maxdb->prepare($query)) {

   /* execute query */
   $stmt->execute();

   /* store result */
   $stmt->store_result();

   printf("Number of rows: %d.\n", $stmt->num_rows);

   /* close statement */
   $stmt->close();
}

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

Example #2 절차식 형식


<?php
/* Open a connection */
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");

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

$query = "SELECT zip, name FROM hotel.city ORDER BY name";
if ($stmt = maxdb_prepare($link, $query)) {

   /* execute query */
   maxdb_stmt_execute($stmt);

   /* store result */
   maxdb_stmt_store_result($stmt);

   printf("Number of rows: %d.\n", maxdb_stmt_num_rows($stmt));

   /* close statement */
   maxdb_stmt_close($stmt);
}

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

위 예제의 출력 예시:

Number of rows: 25.

참고

maxdb_stmt_affected_rows() - Returns the total number of rows changed, deleted, or inserted by the last executed statement
maxdb_prepare() - Prepare an SQL statement for execution
maxdb_stmt_store_result() - Transfers a result set from a prepared statement