What steps can be taken to ensure that included files are correctly displayed in a PHP script?

When including files in a PHP script, it is important to ensure that the file paths are correct and that the files are included in the proper order. To ensure that included files are correctly displayed, you can use the `require_once` or `include_once` functions to include the files, which will prevent them from being included more than once. Additionally, you can use the `dirname(__FILE__)` function to get the directory path of the current script and then concatenate it with the relative path of the included file to ensure that the correct file is included. 

<?php
// Include file using absolute path
require_once(dirname(__FILE__) . '/path/to/file.php');
?>

Keywords

include require file path file permissions error handling

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