Are there any limitations to including multiple files simultaneously in PHP?

When including multiple files simultaneously in PHP, it's important to be mindful of potential naming conflicts or redeclarations of functions or classes. To avoid these issues, you can use the `require_once` or `include_once` functions instead of `require` or `include` to ensure that files are only included once. 

// Example of including multiple files in PHP using require_once
require_once 'file1.php';
require_once 'file2.php';
require_once 'file3.php';

Keywords

include require PHP file handling limitations

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