final public function persistMany(array $collection, array $fillable = array())
    {
        foreach ($collection as $item) {
            $this->persist($item, $fillable);
        }

        return true;
    }
final public function persistMany(array $collection, array $fillable = array())
    {
        foreach ($collection as $item) {
            $this->persist($item, $fillable);
        }

        return true;
    }
final public function persistMany ( array $ collection , array $ fillable = array ( ) ) { foreach ( $ collection as $ item ) { $ this -> persist ( $ item , $ fillable ) ; } return true ; }
Inserts or updates many records at once

@param array $collection
@param array $fillable Optional fillable protection
@throws \LogicException if failed on keys existence validation
@return boolean
Inserts or updates many records at once