function mset(array $vars,$prefix='',$ttl=0) {
		foreach ($vars as $key=>$val)
			$this->set($prefix.$key,$val,$ttl);
	}
function mset(array $vars,$prefix='',$ttl=0) {
		foreach ($vars as $key=>$val)
			$this->set($prefix.$key,$val,$ttl);
	}
function mset ( array $ vars , $ prefix = '' , $ ttl = 0 ) { foreach ( $ vars as $ key => $ val ) $ this -> set ( $ prefix . $ key , $ val , $ ttl ) ; }
Multi-variable assignment using associative array
@param $vars array
@param $prefix string
@param $ttl int
Multi - variable assignment using associative array