PHP Dokumentation: Function maxdb-stmt-num-rows
12. Januar 2010 von werner
maxdb_stmt_num_rows
stmt->num_rows
(PECL maxdb >= 1.0)
maxdb_stmt_num_rows — stmt->num_rows — Return the number of rows in statements result set
Beschreibung
Procedural style :
Object oriented style (property):
stmt
int $num_rows;
Returns the number of rows in the result set.
Rückgabewerte
An integer representing the number of rows in result set.
Beispiele
Beispiel #1 Object oriented style
<?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();
?>Beispiel #2 Procedural style
<?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);
?>Das oben gezeigte Beispiel erzeugteine ähnliche Ausgabe wie:
Number of rows: 25.
Siehe auch
- maxdb_stmt_affected_rows() – Returns the total number of rows changed, deleted, or inserted by the last executed statement
- maxdb_prepare() – Prepare a SQL statement for execution
- maxdb_stmt_store_result() – Transfers a result set from a prepared statement
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