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API15

JUserHelper/getUserId

From Joomla! Documentation

< API15:JUserHelper
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Contents

Description

Returns userid if a user exists

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Syntax

getUserId($username)
Parameter Name Default Value Description
$username The username to search on

Returns

int The user id or 0 if not found

Defined in

libraries/joomla/user/helper.php

Importing

jimport( 'joomla.user.helper' );

Source Body

function getUserId($username)
{
        // Initialize some variables
        $db = & JFactory::getDBO();
 
        $query = 'SELECT id FROM #__users WHERE username = ' . $db->Quote( $username );
        $db->setQuery($query, 0, 1);
        return $db->loadResult();
}

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Examples

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