php and some uses

 

PHP

Difference between php and html PHP :

the difference between php and html PHP is a server-side scripting language, while HTML is a client-side markup language. PHP is used to create dynamic web pages that interact with databases, while HTML is used to structure and present content on a webpage. PHP is a programming language, while HTML is a markup language. PHP code is executed on the server, while HTML code is rendered in the browser.

What is dynamic web site :

A dynamic website is a website that is constantly changing and displaying different content each time it is accessed. It is created using a combination of server-side programming languages, such as PHP, ASP, or JSP, and a database, such as MySQL. Dynamic websites are often used for e-commerce, online communities, and other interactive applications.

Example of php request mysql connect :

// Check connection

if ($conn->connect_error) {

die("Connection failed: " . $conn->connect_error);

}

echo "Connected successfully";

?>

Create php index page :

<?php

// Include the header

include('header.php');

?>

<!-- HTML Content -->

<h1>Welcome to My Website</h1>

<p>This is the homepage of my website. Here you can find information about my services and products.</p>

<?php

// Include the footer

include('footer.php');

?>

Insert image with php :

You can use the <img> tag to insert an image with PHP. <?php echo '<img src="image.jpg" alt="My Image">'; ?>

Insert link with php :

You can use the <a href="<?php echo $url; ?>">link</a> to insert a link with PHP.

Create table with php :

<?php $servername = "localhost"; $username = "username"; $password = "password"; $dbname = "myDB"; // Create connection $conn = new mysqli($servername, $username, $password, $dbname); // Check connection if ($conn->connect_error) { die("Connection failed: " . $conn->connect_error); } //

Create iterative instruction with php

<?php // Iterative instruction to print out the numbers from 1 to 10 for ($i = 1; $i <= 10; $i++) { echo $i . "\n"; }

 

Create conditional instruction with php

<?php if (condition) { // code to be executed if condition is true } else { // code to be executed if condition is false } ?>