Session/Namespace.php

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Category
Zend  
Copyright
Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)  
License
New BSD License  
Package
Zend_Session  
Since
Preview Release 0.2  
Version
$Id$  

\Zend_Session_Namespace
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Package: Zend_Session
Zend_Session_Namespace
Implements
Parent(s)
\Zend_Session_Abstract
Category
Zend  
Copyright
Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)  
License
New BSD License  

Constants

>VConstant  SINGLE_INSTANCE = true
used as option to constructor to prevent additional instances to the same namespace

Properties

>VPropertyprotectedstring $_namespace = "Default"
Namespace - which namespace this instance of zend-session is saving-to/getting-from
Default value"Default"Details
Type
string
>VPropertyprotectedarray $_namespaceLocks = array()
static
Namespace locking mechanism
Default valuearray()Details
Type
array
>VPropertyprotectedarray $_singleInstances = array()
static
Single instance namespace array to ensure data security.
Default valuearray()Details
Type
array

Methods

methodpublic__construct(string $namespace = 'Default', bool $singleInstance = false) : void

__construct() - Returns an instance object bound to a particular, isolated section of the session, identified by $namespace name (defaulting to 'Default').

The optional argument $singleInstance will prevent construction of additional instance objects acting as accessors to this $namespace.
Parameters
NameTypeDescription
$namespacestring
  • programmatic name of the requested namespace
$singleInstancebool
  • prevent creation of additional accessor instance objects for this namespace
methodpublic__get(string $name) : mixed

__get() - method to get a variable in this object's current namespace

Parameters
NameTypeDescription
$namestring
  • programmatic name of a key, in a pair in the current namespace
Returns
TypeDescription
mixed
methodpublic__isset(string $name) : bool

__isset() - determine if a variable in this object's namespace is set

Parameters
NameTypeDescription
$namestring
  • programmatic name of a key, in a pair in the current namespace
Returns
TypeDescription
bool
methodpublic__set(string $name, mixed $value) : true

__set() - method to set a variable/value in this object's namespace

Parameters
NameTypeDescription
$namestring
  • programmatic name of a key, in a pair in the current namespace
$valuemixed
  • value in the pair to assign to the $name key
Returns
TypeDescription
true
Throws
ExceptionDescription
\Zend_Session_Exception
methodpublic__unset(string $name) : true

__unset() - unset a variable in this object's namespace.

Parameters
NameTypeDescription
$namestring
  • programmatic name of a key, in a pair in the current namespace
Returns
TypeDescription
true
methodpublicapply(string | array $callback) : void

apply() - enables applying user-selected function, such as array_merge() to the namespace Parameters following the $callback argument are passed to the callback function.

Caveat: ignores members expiring now. Example: $namespace->apply('array_merge', array('tree' => 'apple', 'fruit' => 'peach'), array('flower' => 'rose')); $namespace->apply('count');
Parameters
NameTypeDescription
$callbackstring | array
  • callback function
methodpublicapplySet(string | array $callback) : void

applySet() - enables applying user-selected function, and sets entire namespace to the result Result of $callback must be an array.

Parameters following the $callback argument are passed to the callback function. Caveat: ignores members expiring now. Example: $namespace->applySet('array_merge', array('tree' => 'apple', 'fruit' => 'peach'), array('flower' => 'rose'));
Parameters
NameTypeDescription
$callbackstring | array
  • callback function
methodpublicgetIterator() : \ArrayObject

getIterator() - return an iteratable object for use in foreach and the like, this completes the IteratorAggregate interface

Returns
TypeDescription
\ArrayObject- iteratable container of the namespace contents
methodpublicgetNamespace() : string

Returns the namespace name

Returns
TypeDescription
string
methodpublicisLocked() : bool

isLocked() - return lock status, true if, and only if, read-only

Returns
TypeDescription
bool
methodpubliclock() : void

lock() - mark a session/namespace as readonly

methodpublicresetSingleInstance(string $namespaceName = null) : null
static

resetSingleInstance()

Parameters
NameTypeDescription
$namespaceNamestring
Returns
TypeDescription
null
methodpublicsetExpirationHops(int $hops, mixed $variables = null, boolean $hopCountOnUsageOnly = false) : void

setExpirationHops() - expire the namespace, or specific variables after a specified number of page hops

Parameters
NameTypeDescription
$hopsint
  • how many "hops" (number of subsequent requests) before expiring
$variablesmixed
  • OPTIONAL list of variables to expire (defaults to all)
$hopCountOnUsageOnlyboolean
  • OPTIONAL if set, only count a hop/request if this namespace is used
Throws
ExceptionDescription
\Zend_Session_Exception
methodpublicsetExpirationSeconds(int $seconds, mixed $variables = null) : void

setExpirationSeconds() - expire the namespace, or specific variables after a specified number of seconds

Parameters
NameTypeDescription
$secondsint
  • expires in this many seconds
$variablesmixed
  • OPTIONAL list of variables to expire (defaults to all)
Throws
ExceptionDescription
\Zend_Session_Exception
methodpublicunlock() : void

unlock() - unmark a session/namespace to enable read & write

methodpublicunlockAll() : void
static

unlockAll() - unmark all session/namespaces to enable read & write

methodpublicunsetAll() : true

unsetAll() - unset all variables in this namespace

Returns
TypeDescription
true
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