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Home arrow Developer Manual arrow 11. API Reference arrow [REVIEW] database->getNumRows

[REVIEW] database->getNumRows PDF Print E-mail

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Returns the number of rows returned by the most recent database query or from a specified database resource.


int getNumRows ( [ object $resource] )

is a database resource object.  This parameter is optional and if omitted the function will return the number of rows from the most recent database query.


Example: A function to count the number of registered users.  Of course, this function could be performed more efficiently using a "SELECT count(*) FROM #__users" query.

// Return total number of users registered on the site.
function countUsers() {
  global $database;
  $database->setQuery( "SELECT id FROM #__users" );
  if (!$database->query()) {
    echo $database->stderr();
    return false;
  return $database->getNumRows();

Please report any errors on this page to the Developer Documentation Forum.


Last Updated ( Monday, 25 December 2006 )
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