What is the significance of using absolute paths instead of URLs in PHP includes?

Using absolute paths instead of URLs in PHP includes is significant because it ensures that the included file is always found regardless of the current working directory or URL structure. This helps prevent errors and ensures consistent behavior across different environments. To use absolute paths, you can use the `__DIR__` magic constant to dynamically generate the absolute path to the included file. 

include_once __DIR__ . '/path/to/included/file.php';

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absolute paths URLs PHP includes file paths file system

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