What are some common errors that can occur when referencing index.php in PHP?

One common error that can occur when referencing index.php in PHP is not specifying the correct file path. This can result in a "file not found" error. To solve this issue, make sure to provide the correct file path when including or requiring index.php in your PHP code. 

// Incorrect way of referencing index.php
include 'index.php';

// Correct way of referencing index.php with the correct file path
include 'path/to/index.php';

Keywords

syntax error undefined index file path include function require function

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