laipower/wp-content/plugins/w3-total-cache/lib/Google/Collection.php

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<?php
/**
* Extension to the regular W3TCG_Google_Model that automatically
* exposes the items array for iteration, so you can just
* iterate over the object rather than a reference inside.
*/
class W3TCG_Google_Collection extends W3TCG_Google_Model implements Iterator, Countable
{
protected $collection_key = 'items';
public function rewind()
{
if (isset($this->modelData[$this->collection_key])
&& is_array($this->modelData[$this->collection_key])) {
reset($this->modelData[$this->collection_key]);
}
}
public function current()
{
$this->coerceType($this->key());
if (is_array($this->modelData[$this->collection_key])) {
return current($this->modelData[$this->collection_key]);
}
}
public function key()
{
if (isset($this->modelData[$this->collection_key])
&& is_array($this->modelData[$this->collection_key])) {
return key($this->modelData[$this->collection_key]);
}
}
public function next()
{
return next($this->modelData[$this->collection_key]);
}
public function valid()
{
$key = $this->key();
return $key !== null && $key !== false;
}
public function count()
{
return count($this->modelData[$this->collection_key]);
}
public function offsetExists ($offset)
{
if (!is_numeric($offset)) {
return parent::offsetExists($offset);
}
return isset($this->modelData[$this->collection_key][$offset]);
}
public function offsetGet($offset)
{
if (!is_numeric($offset)) {
return parent::offsetGet($offset);
}
$this->coerceType($offset);
return $this->modelData[$this->collection_key][$offset];
}
public function offsetSet($offset, $value)
{
if (!is_numeric($offset)) {
return parent::offsetSet($offset, $value);
}
$this->modelData[$this->collection_key][$offset] = $value;
}
public function offsetUnset($offset)
{
if (!is_numeric($offset)) {
return parent::offsetUnset($offset);
}
unset($this->modelData[$this->collection_key][$offset]);
}
private function coerceType($offset)
{
$typeKey = $this->keyType($this->collection_key);
if (isset($this->$typeKey) && !is_object($this->modelData[$this->collection_key][$offset])) {
$type = $this->$typeKey;
$this->modelData[$this->collection_key][$offset] =
new $type($this->modelData[$this->collection_key][$offset]);
}
}
}