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sweikenb/array_practice.php

Created February 5, 2019 14:42
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PHP array practice (recursion)
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array_practice.php
<?php
/*
* Conditions:
***********************************************************************************************************************
*
* Do not modify or edit this file/array -> include it into your working file and use the $tree array as it is.
*
*
* Tasks:
***********************************************************************************************************************
*
* 1. Count the number of nodes of this tree
* 2. Print the tree on the terminal prefixed with a "-" for each level of the corresponding node (example below)
*
*
* Example for taks 2
***********************************************************************************************************************
*
* Node [...]
* - Node [...]
* - Node [...]
* -- Node [...]
* -- Node [...]
* --- Node [...]
* -- Node [...]
* --- Node [...]
* ---- Node [...]
* - Node [...]
* -- Node [...]
* - Node [...]
*
*/
$tree = [
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
],
],
],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
[
'name' => 'node-' . __LINE__,
'nodes' => [],
],
],
],
],
];
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