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# Class: Doctrine_Node_NestedSet_PreOrderIterator

Source Location: /Doctrine/Node/NestedSet/PreOrderIterator.php

## Class Doctrine_Node_NestedSet_PreOrderIterator

Class Overview

Implements interfaces: Iterator (internal interface) Doctrine_Node_NestedSet_PreOrderIterator Located in /Doctrine/Node/NestedSet/PreOrderIterator.php [line 32]
Author(s): Joe Simms <joe.simms@websites4.com> Information Tags:
Version: | $Revision: 1080 $
Link: | www.phpdoctrine.com
Since: | 1.0
License: | LGPL
| Properties $collection $count $index $key $keys $prevIndex $traverseLevel | Methods __construct advanceIndex count current key next rewind updateLevel valid

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Property Summary

Doctrine_Collection | $collection |
integer | $count |
integer | $index |
mixed | $key |
array | $keys |
integer | $prevIndex |
integer | $traverseLevel |

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Method Summary

Doctrine_Node_NestedSet_PreOrderIterator | __construct() |
void | advanceIndex() |
void | count() |
Doctrine_Record | current() | returns the current record
integer | key() | returns the current key
void | next() | advances the internal pointer
void | rewind() | rewinds the iterator
void | updateLevel() |
boolean | valid() |

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Properties
Doctrine_Collection $collection [line 37]
API Tags:

Access: | protected

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integer $count [line 61]
API Tags:

Access: | protected

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integer $index [line 49]
API Tags:

Access: | protected

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mixed $key [line 45]
API Tags:

Access: | protected

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array $keys [line 41]
API Tags:

Access: | protected

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integer $prevIndex [line 53]
API Tags:

Access: | protected

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integer $traverseLevel [line 57]
API Tags:

Access: | protected

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Methods
Constructor __construct [line 63]

`Doctrine_Node_NestedSet_PreOrderIterator __construct( $record, $opts )`

Parameters:

| $record: |
| $opts: |

API Tags:

Access: | public

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advanceIndex [line 164]

`void advanceIndex( )`

API Tags:

Access: | private

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count [line 150]

`void count( )`

API Tags:

Access: | public

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current [line 117]

`Doctrine_Record current( )`

returns the current record

API Tags:

Access: | public

Implementation of:

Iterator::current

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key [line 107]

`integer key( )`

returns the current key

API Tags:

Access: | public

Implementation of:

Iterator::key

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next [line 129]

`void next( )`

advances the internal pointer

API Tags:

Access: | public

Implementation of:

Iterator::next

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rewind [line 96]

`void rewind( )`

rewinds the iterator

API Tags:

Access: | public

Implementation of:

Iterator::rewind

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updateLevel [line 155]

`void updateLevel( )`

API Tags:

Access: | private

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valid [line 145]

`boolean valid( )`

API Tags:

Return: | whether or not the iteration will continue
Access: | public

Implementation of:

Iterator::valid

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