How can realpath() be used to troubleshoot PHP include path issues?

When troubleshooting PHP include path issues, you can use the realpath() function to determine the absolute path of a file. This can help identify any discrepancies in the file paths being used in your include statements. By using realpath(), you can ensure that the correct file paths are being referenced, which can help resolve include path problems. 

$included_file = 'path/to/file.php';
$real_path = realpath($included_file);

if ($real_path) {
    include $real_path;
} else {
    echo "File not found.";
}

Keywords

realpath PHP include path troubleshooting issues

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