Mage_Core_Model_Mysql4_Session Class Reference

List of all members.

Public Member Functions
	__construct ()
	__destruct ()
	getLifeTime ()
	hasConnection ()
	setSaveHandler ()
	open ($savePath, $sessName)
	close ()
	read ($sessId)
	write ($sessId, $sessData)
	destroy ($sessId)
	gc ($sessMaxLifeTime)
Protected Attributes
	$_lifeTime
	$_sessionTable
	$_read
	$_write

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Detailed Description

Definition at line 35 of file Session.php.

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Constructor & Destructor Documentation

__construct

(

)

Definition at line 65 of file Session.php.

    {
        $this->_sessionTable = Mage::getSingleton('core/resource')->getTableName('core/session');
        $this->_read = Mage::getSingleton('core/resource')->getConnection('core_read');
        $this->_write = Mage::getSingleton('core/resource')->getConnection('core_write');
    }

__destruct

(

)

Definition at line 72 of file Session.php.

    {
        session_write_close();
    }

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Member Function Documentation

close

(

)

Close session

Returns:

boolean

Definition at line 140 of file Session.php.

    {
        $this->gc($this->getLifeTime());

        return true;
    }

destroy

(

$

sessId

)

Destroy session

Parameters:

string

$sessId

Returns:

boolean

Definition at line 200 of file Session.php.

    {
        $this->_write->query("DELETE FROM `{$this->_sessionTable}` WHERE `session_id` = ?", array($sessId));
        return true;
    }

gc

(

$

sessMaxLifeTime

)

Garbage collection

Parameters:

int

$sessMaxLifeTime ignored

Returns:

boolean

Definition at line 212 of file Session.php.

    {
        $this->_write->query("DELETE FROM `{$this->_sessionTable}` WHERE `session_expires` < ?", array(time()));
        return true;
    }

getLifeTime

(

)

Definition at line 77 of file Session.php.

    {
        if (is_null($this->_lifeTime)) {
            $this->_lifeTime = ini_get('session.gc_maxlifetime');
            if (!$this->_lifeTime) {
                $this->_lifeTime = 3600;
            }
        }
        return $this->_lifeTime;
    }

hasConnection

(

)

Check DB connection

Returns:

bool

Definition at line 93 of file Session.php.

    {
        if (!$this->_read) {
            return false;
        }
        $tables = $this->_read->fetchAssoc('show tables');
        if (!isset($tables[$this->_sessionTable])) {
            return false;
        }

        return true;
    }

open	(	$	savePath,
		$	sessName
	)

Open session

Parameters:

	string	$savePath ignored
	string	$sessName ignored

Returns:

boolean

Definition at line 130 of file Session.php.

    {
        return true;
    }

read

(

$

sessId

)

Fetch session data

Parameters:

string

$sessId

Returns:

string

Definition at line 153 of file Session.php.

    {
        $data = $this->_read->fetchOne(
            "SELECT session_data FROM $this->_sessionTable
             WHERE session_id = ? AND session_expires > ?",
            array($sessId, time())
        );

        return $data;
    }

setSaveHandler

(

)

Definition at line 106 of file Session.php.

    {
        if ($this->hasConnection()) {
            session_set_save_handler(
                array($this, 'open'),
                array($this, 'close'),
                array($this, 'read'),
                array($this, 'write'),
                array($this, 'destroy'),
                array($this, 'gc')
            );
        } else {
            session_save_path(Mage::getBaseDir('session'));
        }
        return $this;
    }

write	(	$	sessId,
		$	sessData
	)

Update session

Parameters:

	string	$sessId
	string	$sessData

Returns:

boolean

Definition at line 171 of file Session.php.

    {
        $bind = array(
            'session_expires'=>time() + $this->getLifeTime(),
            'session_data'=>$sessData
        );

        $exists = $this->_write->fetchOne(
            "SELECT session_id FROM `{$this->_sessionTable}`
             WHERE session_id = ?", array($sessId)
        );

        if ($exists) {
            $where = $this->_write->quoteInto('session_id=?', $sessId);
            $this->_write->update($this->_sessionTable, $bind, $where);
        } else {
            $bind['session_id'] = $sessId;
            $this->_write->insert($this->_sessionTable, $bind);
        }

        return true;
    }

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Member Data Documentation

$_lifeTime [protected]

Definition at line 42 of file Session.php.

$_read [protected]

Definition at line 56 of file Session.php.

$_sessionTable [protected]

Definition at line 49 of file Session.php.

$_write [protected]

Definition at line 63 of file Session.php.

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The documentation for this class was generated from the following file:

• app/code/core/Mage/Core/Model/Mysql4/Session.php