What strategies can be employed to efficiently debug PHP scripts when encountering issues like the one described in the forum thread?

Issue: The forum thread describes encountering a PHP script error, specifically a syntax error related to missing semicolons at the end of lines. Solution: To efficiently debug this issue, carefully review the lines of code where the error is occurring and ensure that all statements end with a semicolon. PHP Code Snippet:

<?php
$variable1 = "Hello, ";
$variable2 = "world!";
echo $variable1 . $variable2;
?>