<?php
class CACIE_Arrays {
/**
* Private constructor to prevent instantiation
*
* @since 1.0
*/
private function __construct() {}
/**
* Indents any object as long as it has a unique id and that of its parent.
*
* @since 1.0
*
* @param type $array
* @param type $parentId
* @param type $parentKey
* @param type $selfKey
* @param type $childrenKey
* @return array Indented Array
*/
static public function array_nest( $array, $parentId = 0, $parentKey = 'post_parent', $selfKey = 'ID', $childrenKey = 'children' ) {
$indent = array();
// clean counter
$i = 0;
foreach ( $array as $v ) {
if ( $v->$parentKey == $parentId ) {
$indent[$i] = $v;
$indent[$i]->$childrenKey = CACIE_Arrays::array_nest( $array, $v->$selfKey, $parentKey, $selfKey, $childrenKey );
$i++;
}
}
return $indent;
}
public static function convert_nesting_to_indentation( $nested_array, $indent_key, $children_key = 'children', $depth = 0 ) {
$i = 0;
$indented_array = array();
foreach ( $nested_array as $index => $value ) {
if ( isset( $value->{$children_key} ) ) {
$newpart = CACIE_Arrays::convert_nesting_to_indentation( $value->{$children_key}, $indent_key, $children_key, $depth + 1 );
unset( $value->{$children_key} );
$value->{$indent_key} = str_repeat( '-', $depth ) . $value->{$indent_key};
$indented_array[] = $value;
$indented_array = array_merge( $indented_array, $newpart );
}
else {
$indented_array[] = $value;
}
}
return $indented_array;
}
}