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MemNestedSet: Manage a nested set of elements stored in arrays

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2008-09-10 (6 years ago) RSS 2.0 feedNot yet rated by the usersTotal: 572 This week: 1All time: 4,891 This week: 1,559Up
Version License PHP version Categories  
nestedsetarray 3GNU General Public Lice...5.1Data types
Description Author  

This class can be used to manage a nested set of elements stored in arrays.

It can manage an hierarchic tree of elements stored as array.

The class can perform several types of operations to store and retrieve the tree elements like:

- Creating the tree structure from a string with the definition of the elements.
- Set the values of tree elements given its path in the tree
- Get elements that have a given tree path
- Return a graph with the representation of the elements in tree

Innovation Award  
PHP Programming Innovation award nominee
September 2008
Number 4


Prize: One book of choice from Manning
A nested set is usually associated to a method created by Joe Celko to store hierarchic data structures in a relational database in a way that is more efficient to perform several types of operations to store and retrieve nodes in a tree structure.

This class provides an implementation of nested set manipulation stored in the memory as array nodes.

Manuel Lemos
Picture of Alan H. Lake
Name: Alan H. Lake <contact>
Classes: 3 packages by
Country: Finland Finland
Age: 73
All time rank: 10933 in Finland Finland
Week rank: 656 Up2 in Finland Finland Up
Innovation award
Innovation award
Nominee: 1x

Screenshots  
  • nested_set_in_memory.jpg
  Files folder image Files  
File Role Description
Plain text file change_log.txt Doc. A change log for the class
Plain text file LICENSE.txt Lic. License
Plain text file nested_set_mem.php Class MemNestedSet class
Plain text file README Doc. Documentation
Plain text file test_nested_set_mem.php Test Test MemNestedSet

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