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Class yii\web\SessionIterator

All Classes | Methods
Inheritanceyii\web\SessionIterator
ImplementsIterator
Available since version2.0
Source Code https://github.com/yiisoft/yii2/blob/master/framework/web/SessionIterator.php

SessionIterator implements an iterator for traversing session variables managed by yii\web\Session.

Public Methods

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Method Description Defined By
__construct() Constructor. yii\web\SessionIterator
current() Returns the current array element. yii\web\SessionIterator
key() Returns the key of the current array element. yii\web\SessionIterator
next() Moves the internal pointer to the next array element. yii\web\SessionIterator
rewind() Rewinds internal array pointer. yii\web\SessionIterator
valid() Returns whether there is an element at current position. yii\web\SessionIterator

Method Details

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__construct() public method

Constructor.

public mixed __construct ( )

 public function __construct() { $this->_keys = array_keys(isset($_SESSION) ? $_SESSION : []); $this->rewind(); }
current() public method

Returns the current array element.

This method is required by the interface Iterator.

public mixed current ( )
return mixed

The current array element

 

 #[\ReturnTypeWillChange] public function current() { return $this->_key !== false && isset($_SESSION[$this->_key]) ? $_SESSION[$this->_key] : null; }
key() public method

Returns the key of the current array element.

This method is required by the interface Iterator.

public string|integer|null key ( )
return string|integer|null

The key of the current array element

 

 #[\ReturnTypeWillChange] public function key() { return $this->_key === false ? null : $this->_key; }
next() public method

Moves the internal pointer to the next array element.

This method is required by the interface Iterator.

public mixed next ( )

 #[\ReturnTypeWillChange] public function next() { do { $this->_key = next($this->_keys); } while ($this->_key !== false && !isset($_SESSION[$this->_key])); }
rewind() public method

Rewinds internal array pointer.

This method is required by the interface Iterator.

public mixed rewind ( )

 #[\ReturnTypeWillChange] public function rewind() { $this->_key = reset($this->_keys); }
valid() public method

Returns whether there is an element at current position.

This method is required by the interface Iterator.

public boolean valid ( )

 #[\ReturnTypeWillChange] public function valid() { return $this->_key !== false; }