What are some recommended resources or tutorials for someone looking to refresh their PHP skills?

For someone looking to refresh their PHP skills, there are several recommended resources and tutorials available online. Websites like W3Schools, PHP.net, and tutorials on YouTube can provide comprehensive guides on PHP basics, advanced concepts, and best practices. Additionally, online learning platforms like Udemy, Coursera, and Codecademy offer structured courses designed to help individuals enhance their PHP skills. 

<?php
// Example code snippet using PHP to refresh skills
echo "Hello, world! This is a PHP code snippet.";
?>

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PHP resources tutorials refresh skills

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