installed plugin W3 Total Cache version 2.3.2

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

@@ -0,0 +1,94 @@
+<?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]);
+    }
+  }
+}