What are the best practices for ensuring that PHP code is properly executed and not displayed as plain text in the browser?

When PHP code is displayed as plain text in the browser, it means that the server is not processing the PHP code properly. To ensure that PHP code is executed correctly, make sure that your file has a .php extension, your server supports PHP, and your code is enclosed within <?php ?> tags. Additionally, check for syntax errors in your code. 

&lt;?php
// Your PHP code here
?&gt;

Keywords

XSS htmlspecialchars PHP.ini Content-Type ob_start

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