[Newbie Ask] Combobox get value and save

[masputhut]

Hello all members, I want to ask about PHP Native Sorry I'm new to PHP, I created an input form using Edit Text and Combobox But failed in saving the following is the code that I use

 

The problem is I can't get the id from the combobox and it always fails to save it, :(

function save_upload(){
		extract($_POST);
		// var_dump($_FILES);
		$data = " title ='$title' ";
		$data .= ", description ='".htmlentities(str_replace("'","’",$description))."' ";
		$data .= ", user_id ='{$_SESSION['login_id']}' ";
		$data .= ", file_json ='".json_encode($fname)."' ";
		$data = " DocType_id ='$combodoctype' ";
		$data = " Dept_ID ='$combo4' ";
		
		if(empty($id)){
			$save = $this->db->query("INSERT INTO documents set $data ");
		}else{
			$save = $this->db->query("UPDATE documents set $data where id = $id");
		}
		if($save){
			return 1;
		}
	}

 

admin_class.txt ajax.txt newdocument.txt

[ginerjm]

Since you are discussing the inputs from a POST call, it might help to see the real html code.  Extract is not normally used also.

[Strider64]

Warning

Do not use extract() on untrusted data, like user input (e.g. $_GET, $_FILES).

 

This coming from https://www.php.net/manual/en/function.extract.php