Replace into...

replace.txt

public function replace($table, $data){
		$q="REPLACE INTO `$table` ";
		$v=''; $n='';

		foreach($data as $key=>$val){
			$n.="`$key`, ";
			if(strtolower($val)=='null') $v.="NULL, ";
			elseif(strtolower($val)=='now()') $v.="NOW(), ";
			else $v.= "'".$this->escape($val)."', ";
		}

		$q .= "(". rtrim($n, ', ') .") VALUES (". rtrim($v, ', ') .");";

		if($this->query($q)){
			return mysqli_insert_id($this->link_id);
		} else{
			return false;
		}
	}#-#replace()