properly comment php code code example

Example 1: comment in php

<?php
 /*
    echo 'This is a test'; /* This comment will cause a problem */
 */
?>

Example 2: php proper function comments

/**
 * This function compiles a message that tells you how great coffee is
 *
 * @param string  $compliment A nice word to describe coffee 
 * @param integer $score      A score out of 10
 */