View source for JUserHelper/getUserId

===Description===
Returns userid if a user exists



{{subst:Description:JUserHelper/getUserId}}

===Syntax===
<source lang="php">static getUserId($username)</source>

 {| class="wikitable"
|-
!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===
<source lang="php">jimport( 'joomla.user.helper' );</source>

===Source Body===
<source lang="php">
public static function getUserId($username)
{
        // Initialise some variables
        $db = & JFactory::getDbo();

        $query = 'SELECT id FROM #__users WHERE username = ' . $db->Quote($username);
        $db->setQuery($query, 0, 1);
        return $db->loadResult();
}
</source>


{{subst:SeeAlso:JUserHelper/getUserId}}

===Examples===
<CodeExamplesForm />
<dpl>
 noresultsheader=\n
 category=getUserId
 category=JUserHelper
 category=CodeExample
 category=MethodExample
 include=*
 format= ,,,
</dpl>