What are the potential issues that can arise when using include statements in PHP to include multiple files in a webpage?

One potential issue that can arise when using include statements in PHP to include multiple files in a webpage is that if the included files have conflicting variable names or functions, it can lead to unexpected behavior or errors. To solve this issue, you can use PHP's `require_once` function instead of `include` to ensure that the files are included only once, preventing any conflicts. 

<?php
require_once 'file1.php';
require_once 'file2.php';
require_once 'file3.php';
?>

Keywords

include statements PHP multiple files webpage potential issues

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