DB_NestedSet::getRootNodes

DB_NestedSet::getRootNodes() – Fetches the first level (the rootnodes) of the NestedSet

Synopsis

require_once 'DB/NestedSet.php';

mixed DB_NestedSet::getRootNodes ( bool $keepAsArray = false , bool $aliasFields = true , array $addSQL = array() )

Описание

This package is not documented yet.

Parameter

boolean $keepAsArray

(optional) Keep the result as an array or transform it into a set of DB_NestedSet_Node objects?

boolean $aliasFields

(optional) Should we alias the fields so they are the names of the parameter keys, or leave them as is?

array $addSQL

(optional) Array of additional params to pass to the query.

Return value

returns False on error, or an array of nodes

See

see _addSQL

Throws

throws no exceptions thrown

Замечание

This function can not be called statically.

Пример

Get Rootnodes

<?php
require_once('DB/NestedSet.php');
    
$nestedSet =& DB_NestedSet::factory('DB'$dsn$params);
    
$parent $nestedSet->createRootNode(array('name' => 'root-node'), falsetrue);
    
$nestedSet->createSubNode($parent, array('name' => 'sub1'));
    
$parent2 $nestedSet->createRootNode($parent, array('name' => 'sub-node), '1', false);
    $nestedSet->createSubNode($parent2, array('
name' => 'sub2'));
    $data = $nestedSet->getRootNodes();
?>
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