What are the best practices for troubleshooting PHP code that includes external files like carousel.php?

When troubleshooting PHP code that includes external files like carousel.php, make sure that the file path is correct and that the file is included properly using functions like include or require. Check for any syntax errors or typos in the external file that may be causing issues. Additionally, ensure that any variables or functions from the external file are being used correctly within the main PHP file. 

<?php
include 'carousel.php';

// Rest of your PHP code here
?>

Keywords

include require debugging error handling file paths

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