What are the key differences between server-side languages like PHP and client-side languages like JavaScript for web development?

Server-side languages like PHP are executed on the server before the webpage is sent to the client, while client-side languages like JavaScript are executed on the client's browser. PHP is used for server-side processing, database interactions, and dynamic content generation, while JavaScript is used for client-side interactivity and dynamic updates without requiring a page reload. 

<?php
// PHP code snippet
echo "Hello, World!";
?>

Keywords

Server-side PHP client-side JavaScript web development

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