Difference between revisions of "JTableSession/exists"
From Joomla! Documentation
< API15:JTableSession
(New page: ===Description===
Find out if a user has a one or more active sessions
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===Syntax=== | ===Syntax=== | ||
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===Examples=== | ===Examples=== | ||
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category=exists | category=exists | ||
category=JTableSession | category=JTableSession | ||
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category=MethodExample | category=MethodExample | ||
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| + | [[Category:Archived pages API15]] | ||
Latest revision as of 20:12, 24 March 2017
The "API15" namespace is an archived namespace. This page contains information for a Joomla! version which is no longer supported. It exists only as a historical reference, it will not be improved and its content may be incomplete and/or contain broken links.
Description[edit]
Find out if a user has a one or more active sessions
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Syntax[edit]
exists($userid)| Parameter Name | Default Value | Description |
|---|---|---|
| $userid | $userid The identifier of the user |
Returns[edit]
boolean True if a session for this user exists
Defined in[edit]
libraries/joomla/database/table/session.php
Importing[edit]
jimport( 'joomla.database.table.session' );Source Body[edit]
function exists($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;
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Examples[edit]
Code Examples[edit]