function traverse(RecursiveArrayIterator $iterator)
{
while ($iterator->valid()) {
if ($iterator->hasChildren()) {
printf("HasChild: %s\n", $iterator->key());
traverse($iterator->getChildren());
} else {
printf("%s => %s\n", $iterator->key(), $iterator->current());
}
$iterator->next();
}
}
/**
* Walks through array
* @param $array
* @param $callback callable function($path, $value)
*/
public static function walkArray($array, $callback, $iterator = null, $prefix = '')
{
if (is_null($iterator)) {
$iterator = new \RecursiveArrayIterator($array);
}
while ($iterator->valid()) {
if ($iterator->hasChildren()) {
self::walkArray(null, $callback, $iterator->getChildren(), $prefix . '.' . $iterator->key());
} else {
call_user_func($callback, ltrim($prefix . '.' . $iterator->key(), '.'), $iterator->current());
}
$iterator->next();
}
}
/**
* @param \RecursiveArrayIterator $iterator
* @return mixed
* @throws \Symfony\Component\HttpKernel\Exception\HttpException
*/
protected function buildResources(\RecursiveArrayIterator $iterator)
{
if (count($this->mapping) == 0) {
throw new HttpException(Codes::HTTP_BAD_REQUEST, 'Unable to generate CMMI Data, no mapping is known');
}
$this->resource = new Resource(new Link($this->request->getUri(), 'self'));
if ($iterator->hasChildren()) {
while ($iterator->valid()) {
$childItem = $iterator->current();
$this->addResource(new \RecursiveArrayIterator($childItem));
$iterator->next();
}
} else {
$this->addResource($iterator);
}
return $this->resource;
}
public function getChildren()
{
$section = parent::current();
return new self($section['topics'], 0, $this->path . '/' . $this->key());
}
function array_get($array, $searched, $index)
{
$aIt = new RecursiveArrayIterator($array);
$it = new RecursiveIteratorIterator($aIt);
while ($it->valid()) {
if ((isset($index) and $it->key() == $index or !isset($index)) and $it->current() == $searched) {
$c = $aIt->current();
return $c;
// return $c[$key];
}
$it->next();
}
return FALSE;
}
function current()
{
$x = parent::current();
return new FileTag($x, $this->dir, $this->_packagefile);
}
</div>
<div>
<label for="directions">Input string for directions</label>
<input type="text" name="directions">
</div>
<input type="submit" name="submit" value="Go!">
</form>
<?php
$move_data = str_split($directions);
//var_dump($move_data);
$recusive = new RecursiveArrayIterator($move_data);
$reverse = 0;
while ($recusive->valid()) {
$direction = $recusive->current();
if ($direction == '~') {
$reverse++;
$recusive->next();
} else {
if ($reverse % 2) {
if ($direction == '>') {
$_x++;
} elseif ($direction == '<') {
$_x--;
} elseif ($direction == 'v') {
$_y++;
} elseif ($direction == '^') {
$_y--;
}
} else {
/**
* @param RecursiveArrayIterator $iterator
*/
public function fetchCategoriesWithProducts(RecursiveArrayIterator $iterator)
{
while ($iterator->valid()) {
if ($iterator->hasChildren()) {
$this->fetchCategoriesWithProducts($iterator->getChildren());
} else {
if ($iterator->key() == 'countProducts' && $iterator->current() != '0') {
$this->_categoryWithProducts[$iterator->offsetGet('id')] = array('name' => $iterator->offsetGet('name'), 'full_path' => $iterator->offsetGet('full_path'), 'countProduct' => $iterator->offsetGet('countProducts'));
}
/*$this->_categoryWithProducts[$iterator->offsetGet('id')] =
$iterator->offsetGet('countProducts');*/
}
$iterator->next();
}
}
function getChildren()
{
return new SimpleXpathStructure(parent::current());
}
function traverse_structure($ids)
{
$return_ids = array();
$iterator = new RecursiveArrayIterator($ids);
while ($iterator->valid()) {
if ($iterator->hasChildren()) {
$return_ids = array_merge($return_ids, $this->traverse_structure($iterator->getChildren()));
} else {
if ($iterator->key() == 'int') {
$return_ids = array_merge($return_ids, array($iterator->current()));
}
}
$iterator->next();
}
return $return_ids;
}
public function getColumns($table = NULL)
{
if ($table === NULL) {
throw new \Exception("Please input a table name. - glDbMysql.php - line 89");
}
if (!in_array($table, $this->getTables())) {
throw new \Exception("The table you're trying to query does not exist - glDbMysql.php - line 91");
}
$dbh = $this->getDbh();
$stmt = $dbh->prepare("DESCRIBE " . $table);
$success = $stmt->execute();
$columnNames = $stmt->fetchAll(\PDO::FETCH_ASSOC);
$iterator = new \RecursiveArrayIterator($columnNames);
$fields = array();
if ($success !== FALSE) {
while ($iterator->valid()) {
if ($iterator->hasChildren()) {
$childIterator = new \RecursiveArrayIterator($iterator->current());
while ($childIterator->valid()) {
if ($childIterator->key() == "Field") {
array_push($fields, $childIterator->current());
}
$childIterator->next();
}
}
$iterator->next();
}
return $fields;
}
$error = array('query' => "DESCRIBE " . $table, 'errorInfo' => $this->prepareErrorInfo($dbh->errorInfo()));
$errorInfo = json_encode($error);
throw new MysqlException($errorInfo);
}
/**
* Walks through input array
*
* @param $array
* @param $callback callable function($path, $value)
* @param null $iterator
* @param string $prefix
*/
private function walkInputArray($array, $callback, $iterator = null, $prefix = '')
{
if (!$iterator) {
$iterator = new \RecursiveArrayIterator($array);
}
while ($iterator->valid()) {
$key = $iterator->key();
if ($iterator->hasChildren()) {
$this->walkInputArray(null, $callback, $iterator->getChildren(), $prefix . '.' . $key);
} else {
call_user_func($callback, ltrim($prefix . '.' . $key, '.'), $iterator->current());
}
$iterator->next();
}
}
private function highlightElement($indexArray, $menuArray = null, $nr = 0)
{
//index to get
$i = $indexArray[$nr];
//if menu is null take menuArray
if ($menuArray == null) {
$menuArray = $this->menuArray;
}
//create itterator
$iter = new RecursiveArrayIterator($menuArray);
//move to current index
$iter->seek($i);
//move down until we have found the element - then set the css-class for that element
if (is_array($iter->current())) {
$this->highlightElement($indexArray, $iter->getChildren(), $nr + 1);
} else {
$iter->current()->cssClass = $this->cssClass;
}
}
<?php
/*** an array of animal ***/
$animals = array(array('type' => 'dog', 'name' => 'butch', 'sex' => 'm', 'breed' => 'boxer'), array('type' => 'dog', 'name' => 'fido', 'sex' => 'm', 'breed' => 'doberman'), array('type' => 'dog', 'name' => 'girly', 'sex' => 'f', 'breed' => 'poodle'), array('type' => 'cat', 'name' => 'tiddles', 'sex' => 'm', 'breed' => 'ragdoll'), array('type' => 'cat', 'name' => 'tiddles', 'sex' => 'f', 'breed' => 'manx'), array('type' => 'cat', 'name' => 'tiddles', 'sex' => 'm', 'breed' => 'maine coon'), array('type' => 'horse', 'name' => 'ed', 'sex' => 'm', 'breed' => 'clydesdale'), array('type' => 'perl_coder', 'name' => 'shadda', 'sex' => 'none', 'breed' => 'mongrel'), array('type' => 'duck', 'name' => 'galapogus', 'sex' => 'm', 'breed' => 'pekin'));
/*** create a new recursive array iterator ***/
$iterator = new RecursiveArrayIterator(new ArrayObject($animals));
/*** traverse the $iterator object ***/
while ($iterator->valid()) {
echo $iterator->key() . ' -- ' . $iterator->current() . '<br/>';
$iterator->next();
}
public function BuildFeed()
{
$xml = '<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
<channel>
';
// build channel title
for ($iterator = $this->FeedTitle->getIterator(); $iterator->valid(); $iterator->next()) {
$xml .= '<' . $iterator->key() . '>' . $iterator->current() . '</' . $iterator->key() . '>' . "\n";
if ('title' == $iterator->key()) {
$xml .= $this->BuildFeedAtom();
}
}
// build channel items
$iterator = new RecursiveArrayIterator($this->FeedItems);
while ($iterator->hasChildren()) {
$xml .= '<item>' . "\n";
for ($sub_iterator = $iterator->current()->getIterator(); $sub_iterator->valid(); $sub_iterator->next()) {
if ('guid' == $sub_iterator->key()) {
$xml .= '<' . $sub_iterator->key() . ' isPermaLink ="' . ($sub_iterator->offsetGet('isPermaLink') ? 'true' : 'false') . '">' . $sub_iterator->current() . '</' . $sub_iterator->key() . '>' . "\n";
} elseif ('isPermaLink' != $sub_iterator->key()) {
$xml .= '<' . $sub_iterator->key() . '>' . $sub_iterator->current() . '</' . $sub_iterator->key() . '>' . "\n";
}
}
$xml .= '</item>' . "\n";
$iterator->next();
}
$xml .= '</channel>
</rss>';
return $xml;
}
protected static function encode_iterator(RecursiveArrayIterator $iterator, $options, $depth)
{
$json = array();
while ($iterator->valid()) {
$key = $iterator->key();
$value = $iterator->current();
if ($value instanceof JSExpression) {
var_dump($value);
$json[$key] = $value->json_encode($options);
} else {
if ($iterator->hasChildren()) {
if (!($depth > 0)) {
throw new Exception("Maximum depth reached");
}
$json[$key] = static::encode_iterator($iterator->getChildren(), $options, $depth - 1);
} else {
$json[$key] = static::encode_value($iterator->current(), $options);
}
}
$iterator->next();
}
var_dump($json);
if (self::is_numeric_array($json)) {
return '[' . implode(",", $json) . ']';
} else {
foreach (array_keys($json) as $key) {
$json[$key] = static::encode_key($key, $options) . ':' . $json[$key];
}
return '{' . implode(",", $json) . '}';
}
}
