What are some common misunderstandings or mistakes that developers may encounter when working with file paths and includes in PHP?

One common mistake developers encounter when working with file paths and includes in PHP is not using the correct path format. It's important to use the correct directory separator for the operating system being used (e.g., "/" for Unix-based systems and "\" for Windows). Additionally, using relative paths can lead to errors if the file being included is not in the expected location. 

// Incorrect path format
include 'folder\file.php';

// Correct path format
include 'folder/file.php';

Keywords

file paths includes PHP require include_once

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