mysql_num_rows

(PHP 4, PHP 5, PECL mysql:1.0)

mysql_num_rows — Get number of rows in result

Descrierea

int mysql_num_rows ( resource $result )

Retrieves the number of rows from a result set. This command is only valid for statements like SELECT or SHOW that return an actual result set. To retrieve the number of rows affected by a INSERT, UPDATE, REPLACE or DELETE query, use mysql_affected_rows().

Parametri

result: Rezultatul de tip resource, care este evaluat. Acest rezultat provine de la apelul funcţiei mysql_query().

Valorile întroarse

The number of rows in a result set on success, or FALSE on failure.

Exemple

Example#1 mysql_num_rows() example


<?php

$link = mysql_connect("localhost", "mysql_user", "mysql_password");
mysql_select_db("database", $link);

$result = mysql_query("SELECT * FROM table1", $link);
$num_rows = mysql_num_rows($result);

echo "$num_rows Rows\n";

?>

Note

Notă: If you use mysql_unbuffered_query(), mysql_num_rows() will not return the correct value until all the rows in the result set have been retrieved.

Notă: Pentru compatibilitatea cu versiunile anterioare, următorul pseudonim dezaprobat poate fi utilizat: mysql_numrows()

Vedeţi de asemenea