View difference between Paste ID: 9tW24zDx and XMXS2a06

 /**
  * Обертка над БД
  *
  * @author Fragster
  */
 class DB extends PDO {
 
     /**
      *
      * @var DB
      */
     private static $singleton;
     private $engine;
     private $host;
     private $database;
     private $user;
     private $pass;
 
     public function __construct() {
         $this->engine = 'mysql';
         $this->host = Config::$db_host;
         $this->database = Config::$db_database;
         $this->user = Config::$db_user;
         $this->pass = Config::$db_password;
         $dns = $this->engine . ':dbname=' . $this->database . ";host=" . $this->host;
         parent::__construct($dns, $this->user, $this->pass);
         $this->exec("SET NAMES utf8");
         $this->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
     }
 
     /**
      *
      * @return DB
      */
     static function Init() {
         if (!self::$singleton) {
             self::$singleton = new DB;
         }
         return self::$singleton;
     }
 
     public function arrayPrepare($query, array $input_parameters) {
         $query = str_replace("\n", "", $query);
 
         $params = array();
         foreach ($input_parameters as $key => $value) {
             if (is_array($value)) {
                 $implode = '';
                 $delim = '';
                 foreach ($value as $valueKey => $valueValue) {
                     $params[$key . '_' . $valueKey] = $valueValue;
                     $implode.= $delim . $key . '_' . $valueKey;
                     $delim = ', ';
                 }
                 $query = str_replace($key, $implode, $query);
             } else {
                 $params[$key] = $value;
             }
         }
 
         try {
             $statement = $this->prepare($query);
         } catch (Exception $exc) {
             throw new Exception($query."\n".$this->errorInfo());
         }
 
-        //echo "$query\n";
+
             $statement->bindValue($key, $value)."\n";
-            //echo "bind $key => $value\n";
+
         return $statement;
     }
 
     public function multiInsert($query, array $insert_array) {
         $query = str_replace("\n", "", $query);
 
         $query1 = array();
         preg_match('/.*values\s*/im', $query, $query1);
         $query1 = $query1[0];
 
         $placeholders = array();
         preg_match_all('/:\w+/im', $query, $placeholders);
         $placeholders = $placeholders[0];
         $rowDelim = '';
         foreach ($insert_array as $key => $value) {
             $query1.= $rowDelim . '(';
             $rowDelim = ', ';
             $fieldDelim = '';
             foreach ($placeholders as $placeholder) {
                 $query1.= $fieldDelim . $placeholder . '_' . $key;
                 $fieldDelim = ', ';
             }
             $query1.= ')';
         }
 
         try {
             $statement = $this->prepare($query1);
         } catch (Exception $exc) {
             throw new Exception($query1."\n".$this->errorInfo());
         }
 
         foreach ($insert_array as $key => $value) {
             foreach ($placeholders as $placeholder) {
                 $var = $value[$placeholder];
                 $statement->bindValue($placeholder . '_' . $key, $var);
             }
         }
 
         //throw new Exception(print_r($guids, true));
         $statement->execute();
-        $guids = array();
+
 
-            $guids[]=$value[':guid'];
+