JTableSession/exists: Difference between revisions
From Joomla! Documentation
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===Syntax=== | ===Syntax=== | ||
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===Examples=== | ===Examples=== | ||
=== Code Examples === | |||
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noresultsheader=\n | noresultsheader=\n | ||
category=exists | category=exists | ||
category=JTableSession | category=JTableSession | ||
namespace=CodeExample | |||
category=MethodExample | category=MethodExample | ||
include=* | include=* | ||
format= ,,, | format= ,,, | ||
</dpl> | </dpl> | ||
Latest revision as of 02:12, 25 March 2017
Description
Find out if a user has a one or more active sessions
Syntax
exists($userid)
| Parameter Name | Default Value | Description |
|---|---|---|
| $userid | $userid The identifier of the user |
Returns
boolean True if a session for this user exists
Defined in
libraries/joomla/database/table/session.php
Importing
jimport( 'joomla.database.table.session' );
Source Body
function exists($userid)
{
$query = 'SELECT COUNT(userid) FROM #__session'
. ' WHERE userid = '. $this->_db->Quote($userid);
$this->_db->setQuery($query);
if (!$result = $this->_db->loadResult()) {
$this->setError($this->_db->stderr());
return false;
}
return (boolean) $result;
}
Examples
Code Examples