function loadIngredients($id)
 {
     $result_fields = array("ingredient_id", "quantity");
     $table = "RecipeIngredient";
     $eid = new stdClass();
     $eid->column = "recipe_id";
     $eid->compare = "=";
     $eid->logical = "";
     $eid->value = $id;
     $query_params = array($eid);
     $con1 = new SQLconnection();
     $obj = $con1->pdo_query_wparam($result_fields, $table, $query_params);
     if (!empty($obj)) {
         foreach ($obj->results as $ing) {
             $ingredient = new Ingredient($ing->ingredient_id);
             $ingredient->setQuantity($ing->quantity);
             array_push($this->ingredients, $ingredient);
         }
     } else {
         array_push($this->ingredients, "No Ingredients available");
     }
 }
 function loadRecipeList($var, $page = 0)
 {
     //clear current list
     unset($this->recipes);
     //reinitialize list
     $this->recipes = array();
     $result_fields = $var->result_fields;
     $table = $var->table;
     $query_params = array($var);
     $con1 = new SQLconnection();
     $obj = $con1->pdo_query_wparam($result_fields, $table, $query_params, $var->limit);
     //if there are results
     if (!empty($obj)) {
         $this->recipe_count = $obj->resultCount;
         foreach ($obj->results as $rec) {
             //add raw recipes into list
             $recipe = new Recipe($rec->id);
             array_push($this->recipes, $recipe);
         }
         //remove duplicates from the list
         $temp_uids = array();
         $unique_results = array();
         foreach ($this->recipes as $recipe) {
             if (!in_array($recipe->id(), $temp_uids)) {
                 $temp_uids[] = $recipe->id();
                 $unique_results[] = $recipe;
             }
         }
         $temp = array();
         foreach ($unique_results as $recipe) {
             $temp[] = $recipe->jsonSerialize();
         }
         $this->recipes = $temp;
         unset($temp_uids, $unique_results);
         //prepare the recipes for cooking (jsonSerialize)
     }
 }
 function unstarRecipe($usr, $recipe_id)
 {
     $con1 = new SQLconnection();
     $user = new User($usr);
     $recipe = new Recipe($recipe_id);
     if ($recipe->exists()) {
         //$table="Starred";
         //$conditions=array();
         //$user_id=new stdClass();
         //$user_id->column="user_id";
         //$user_id->value=$user->id();
         //$user_id->compare="=";
         //$user_id->logical="and";
         //$recipe_id1=new stdClass();
         //$recipe_id1->column="recipe_id";
         //$recipe_id1->value=$recipe->id();
         //$recipe_id1->compare="=";
         //$recipe_id1->logical="";
         //$conditions=array($user_id,$recipe_id1);
         try {
             if (!($usr = (int) $usr)) {
                 return;
             }
             if (!($recipe_id = (int) $recipe_id)) {
                 return;
             }
             $con1->pdo_query(" delete from Starred where user_id  = {$usr} and recipe_id={$recipe_id};");
             //$con1->pdo_delete($table,$conditions);
         } catch (PDOException $Exception) {
             print_r($Exception);
             $res = $Exception;
             return $res;
         }
     }
     unset($this->recipes);
     $this->recipes = array();
     $this->loadRecipes($user->id());
 }
<?php

session_start();
include_once 'classes/dbconnect.php';
include_once 'classes/user.php';
if (!empty($_POST['user1']) && !empty($_POST['pass1'])) {
    $result_fields = array("id");
    $name = $_POST['user1'];
    $pass = $_POST['pass1'];
    $con = new SQLconnection();
    $name = new stdClass();
    $name->column = "name";
    $name->compare = "=";
    $name->logical = "and";
    $name->value = $name;
    $pass = new stdClass();
    $pass->column = "pass";
    $pass->compare = "=";
    $pass->logical = "";
    $pass->value = $pass;
    $query_params = array($name, $pass);
    $obj = $con->pdo_query_wparam($result_fields, $table, $query_params);
    if (!empty($obj->results[0])) {
        $user = new User($obj->results[0]->id);
        session_regenerate_id();
    }
} else {
    $user = new User(0);
}