What are the potential pitfalls of using PHP for a project without prior knowledge or experience in the language?

Potential pitfalls of using PHP for a project without prior knowledge or experience include security vulnerabilities, inefficient code, and difficulty in debugging errors. To mitigate these risks, it is important to thoroughly research and understand PHP best practices, utilize secure coding techniques, and regularly test and optimize the code.

<?php

// Example of secure coding technique to prevent SQL injection
$username = mysqli_real_escape_string($conn, $_POST['username']);
$password = mysqli_real_escape_string($conn, $_POST['password']);

?>