PHP form submission using oop
===

I need a little help understanding how to use OOP in PHP to perform form submission action.
Task at hand...
I am trying to learn how to write PHP code using OOP. So far I understand the general idea of classes, functions, calling functions, inheritance etc.

I have created a simple project for practice that allows a user to search for a meal in a certain location. So far, I have a form with 2 `<input>` fields. Normally for form action, I would do `<form action="actionFileName.php">` but now that I have a class with a function to process the form, what do I use for the action value?

I thought of creating an instance of the class and calling the function that processes the form but I get a Object not found! page after I submit the form with the `echo` values from the `else` statements in `hungryClass.php` displaying in the address bar.

how do I fix this? Thanks.

What my code looks like:
HTML Form

    <?php  require_once 'hungryClass.php';
      $newSearch = new hungryClass();
    ?>
    <form action="<?php $newSearch->searchMeal();?>" method="post" id="searchMealForm">
      <input type="search" size="35" placeholder="What Food Are you looking for?" id="mealName" class="meal"/>
      <input type="search" placeholder="City Area" id="mealLocation" class="meal">
      <input type="submit" value="Satisfy Me" id="findMeal" />
    </form>

Page to process form (hungryClass.php)

    <?php 
      require_once('dbConnect.php');
      class hungryClass{
		
           public function searchMeal(){
             //call connection function.
              $connect = new dbConnect();
    
             //validate input
             if(isset($_POST['mealName'])){
                 $meal = $_POST['mealName'];

               //ensure value is a string.
               $cleanse_meal = filter_var($meal, FILTER_SANITIZE_STRING);
               echo $cleanse_meal;
            }
            else{
	       echo "Please supply the meal you crave";
            }

          //validate location
           if(isset($_POST['mealLocation'])){
	     $location = $_POST['mealLocation'];

             //validate and sanitize input. ensure value is a string.
	    $cleanse_location = filter_var($location, FILTER_SANITIZE_STRING);
            echo $cleanse_location;

           }
           else{
	     echo "Please supply a location";
           }
}

Database class

    <?php

    class dbConnect{
    private $host = "localhost";
    private $user = "stacey";
    private $pass = "";
    private $db_name = "menu_finder";
		
    private $connect;
    //private static $dbInstance;
		
    public function __construct(){
        try{
            $this->connect = new mysqli($host, $user, $pass, $db_name);
            if(mysqli_connect_error()){
               die('connection error('.mysqli_connect_errno().')' . mysqli_connect_error());
            }
        }

        catch(Exception $e){
            echo $e->getMessage();
        }
    }
?>

 