{"id":13328,"date":"2022-10-03T18:47:58","date_gmt":"2022-10-03T13:17:58","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-can-someone-explain-me-the-below-code\/"},"modified":"2022-10-03T18:47:58","modified_gmt":"2022-10-03T13:17:58","slug":"solved-can-someone-explain-me-the-below-code","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-can-someone-explain-me-the-below-code\/","title":{"rendered":"[Solved] Can Someone Explain me the below Code?"},"content":{"rendered":"

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He created the Order.php to keep the class elements external from the main code. This is cleaner code and easier to maintain.<\/p>\n

and how can i store the Refrence of $order with the Object?<\/em> You are already storing this in $newOrders<\/code>?<\/p>\n

Added comments to each line for main.php<\/p>\n

<?php\n\/\/ these includes are just bringing in code from external files. Nothing much really to say here.\ninclude(\"Order.php\");\ninclude(\"connect.php\");\n\n\/\/$query is just setting up the SQL query to the database for selecting all columns from a table called orders.\n$query=\"SELECT * FROM `orders`\";\n\n\/\/$filter_Results is just saving the query in a variable, this is used later on to fetch the data in a while loop\n$filter_Result=mysqli_query($con,$query);\n\n\/\/$newOrders and $items = array() is just pre-defining these variables as arrays.\n$newOrders=Array();\n$items = array();     \n\n\/\/As said before, we need to use a while loop to extract the data fetched from sql where `mysqli_fetch_array` is the method of retrieving the data.\nwhile($row=mysqli_fetch_array($filter_Result))\n{\n    $order; \/\/Not sure what the next line is doing.. `$order;` doesn't do anything..\n    $orderId= $row['id']; \/\/Saving the column name `id` as a variable $orderID\n    echo \"hello\".$orderId; \/\/echo out the hello# where # is the orderID\n\n    \/\/This is checking if the orderID retrieved from sql has already been placed inside the $newOrders array returning true or false.\n    if(in_array($orderId,$newOrders,true)){\n\n        \/\/Some more code needs to be added here, I'm guessing you need to add in something to find the object relating to the `orderID` that already exists in `$newOrders`\n        $order=<get order object from $newOrders for which id is $orderId>\n    }\n\n    \/\/ If $orderID not in $newOrders\n    else{\n        \/\/ Create a new instance of Order class called $order\n        $order=new Order($row['id'], $row['tableId'], $row['createdDate']);\n\n        \/\/Add this order to the array $newOrders\n        array_push($newOrders,$order);\n    }\n    \/\/ Create a new instance of the Item class called $item takinging in the columns ProductId, ProductName, Quantity\n    $item=new Item($row['ProductId'], $row['ProductName'], $row['Quantity']);\n\n    \/\/ Using a method from orders called AddItem (this can be found in Order.php under the order class\n    $Order.AddItem($item);\n}\n\n\/\/ Looping through each order inside $newOrders (although this seems wrong, should be foreach($newOrders as $order)\nforeach($order as $newOrders)\n{\n\/\/create box\n}\n\n\/ Finally including some more code inside the Modal.php file\ninclude(\"Modal.php\");\n?>\n<\/code><\/pre>\n
Order.php<\/p>\n
<?php\n\n\/\/ Class called Order\n class Order {\n\n  \/\/ properties of the class.\n  var $orderId;\n  var $orderTime;\n  var $tableNumber;\n  var $items = array();   \n\n  \/\/ Function inside the method which fills the properties upon creating a new instance the class `$order=new Order($row['id'], $row['tableId'], $row['createdDate']);` \n  function __Order($orderId, $orderTime, $tableNumber)\n  {\n      \/\/ Using the parameters passed to the function to fill the properties of the class\n      $this->$orderId = $orderId;\n      $this->$orderTime = $orderTime;\n      $this->$tableNumber = $tableNumber;\n  }   \n\n  \/\/Function called AddItem which takes parameters and fills an items array however this should be using $this->\n  function AddItem($itemId, $itemName, $quantity, $personalization)   \n  {\n       $item = new Item($itemId, $itemName, $quantity, $personalization);\n      $items[] = $item;\n  }\n}\n\n\/\/ New class called Item\nclass Item {\n\n    \/\/ properties of the class.\n    var $productId;\n    var $productName;\n    var $quantity;\n    var $personalization;\n\n    \/\/ Same as above: Function inside the method which fills the properties upon creating a new instance the class\n    function __Item($productId, $productName, $quantity, $personalization)\n    {\n        $this->$productId = $productId;\n        $this->$productName = $productName;\n        $this->$quantity = $quantity;\n        $this->$personalization = $personalization;\n    }\n}\n?>\n<\/code><\/pre>\n
To answer your question:<\/p>\n
    \n
  1. \n
    An array of objects just means you are creating a new instance of the object and then saving the object in an array. You are already doing this with your $newOrders<\/code> array. You have created a new $order<\/code> (the object) and then saved it in the array $newOrders<\/code> using: array_push($newOrders,$order);<\/code><\/p>\n<\/li>\n
  2. \n
    Not really sure what you are asking for here? Where has this code come from? Is this a tutorial of some sort?<\/p>\n<\/li>\n<\/ol>\n<\/div>\n
    <\/div>\n<\/div>\n
                4<\/span> <\/p><\/div>\n<\/div>\n
    [ad_2]<\/p>\n
    solved Can Someone Explain me the below Code? <\/p>\n","protected":false},"excerpt":{"rendered":"
    [ad_1] He created the Order.php to keep the class elements external from the main code. This is cleaner code and easier to maintain. and how can i store the Refrence of $order with the Object? You are already storing this in $newOrders? Added comments to each line for main.php <?php \/\/ these includes are just … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[340,1117,339],"class_list":["post-13328","post","type-post","status-publish","format-standard","hentry","category-solved","tag-mysql","tag-mysqli","tag-php"],"yoast_head":"\n[Solved] Can Someone Explain me the below Code? - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-can-someone-explain-me-the-below-code\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Can Someone Explain me the below Code? - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] He created the Order.php to keep the class elements external from the main code. 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