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To allow for the products to be shown in 'rows' (horizontally), you need to add a<div class="row"> to your HTML code. I've banged together a small demo, that shows the basic idea (and the use of HEREDOC which allows for (IMHO) cleaner separation of HTML and PHP code).
FunctionrenderProduct() is invoked through aforeach() loop on a dummy product range stored in array$products to imitate your databasewhile loop.
The gist:
<?php
function renderProduct($product = 'n/a') {
$htmlProduct = <<<HEREDOC
<div class="col-sm-4 col-md-3">
<form method="post" class="" action="index.html">
<div class="products ">
<img src="$product" class="img-fluid" />
<h4 class="text-info">$product</h4>
<h4>INR $product</h4>
<input type="text" name="quantity" class="form-control" value="1" />
<input type="submit" name="add_to_cart" class="btn btn-info" value="Add" />
</div>
</form>
</div>
HEREDOC;
return $htmlProduct;
}
$htmlStart = <<<HEREDOC
<!DOCTYPE html> <html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<title>Shopping Cart</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">
<link rel="stylesheet" href="cart.css">
</head>
<body>
<div class="container">
<div class="row"> <!-- ADDED -->
HEREDOC;
$htmlEnd = <<<HEREDOC
</div> <!-- close row -->
</div> <!-- close container -->
</body>
</html>
HEREDOC;
// render page
echo $htmlStart;
$products = ['product1', 'product2', 'product3', 'product4', 'product5', 'product6', 'product7'];
foreach($products as $prod) {
echo renderProduct($prod);
}
echo $htmlEnd;
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PHP (from the English Hypertext Preprocessor - hypertext preprocessor) is a scripting programming language for developing web applications. Supported by most hosting providers, it is one of the most popular tools for creating dynamic websites.
The PHP scripting language has gained wide popularity due to its processing speed, simplicity, cross-platform, functionality and distribution of source codes under its own license.
https://www.php.net/
CSS (Cascading Style Sheets) is a formal language for describing the appearance of a document written using a markup language.
It is mainly used as a means of describing, decorating the appearance of web pages written using HTML and XHTML markup languages, but can also be applied to any XML documents, such as SVG or XUL.
https://www.w3.org/TR/CSS/#css
Bootstrap is not exclusively a CSS framework, but its most popular features are CSS-centric. These include a powerful grid, icons, buttons, map components, navigation bars, and more.
https://getbootstrap.com/
HTML (English "hyper text markup language" - hypertext markup language) is a special markup language that is used to create sites on the Internet.
Browsers understand html perfectly and can interpret it in an understandable way. In general, any page on the site is html-code, which the browser translates into a user-friendly form. By the way, the code of any page is available to everyone.
https://www.w3.org/html/
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