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<?php
class Inventory {
public $items = array();
public static function created() {
return !empty($_SESSION["inventory"]);
}
public static function sendContent() {
return self::get()->items;
}
public static function get() {
if(!self::created()) {
$_SESSION["inventory"] = new Inventory();
}
return $_SESSION["inventory"];
}
private function _addItem($item) {
foreach($this->items as $k => $object){
if($object[0] == $item){
$this->items[$k][1]++;
return $this->items[$k];
}
}
$tab = array($item,1);
$this->items[] = $tab;
return $tab;
}
public static function addItem($item) {
$inv = self::get();
$tab = $inv->_addItem($item);
return $tab;
}
private function _removeItem($item) {
unset($this->items[array_search($item, $this->items)]);
}
public static function removeItem($item) {
$inv = self::get();
$inv->_removeItem($item);
}
private function _useItem($item) {
foreach($this->items as $k => $object){
if($object[0] == $item){
if($this->items[$k][1]>0)$this->items[$k][1]--;
//if($this->items[$k][1] == 0) _removeItem($item);
return $this->items[$k];
}
}
return false;
}
public static function useItem($item) {
$inv = self::get();
$it = $inv->_useItem($item);
return $it;
}
public function addToXML($root) {
foreach($this->items as $item)
$item[0]->addToXML($root, $item[1]);
}
}
?>
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