What are some common mistakes to avoid when renaming folders in PHP?

Common mistakes to avoid when renaming folders in PHP include not checking if the folder exists before renaming it, not handling errors that may occur during the renaming process, and not using the correct file path syntax. To solve these issues, always check if the folder exists before attempting to rename it, handle any errors that may occur using try-catch blocks, and use the correct file path syntax when specifying the new folder name. 

$old_folder = 'old_folder';
$new_folder = 'new_folder';

if (file_exists($old_folder)) {
    try {
        rename($old_folder, $new_folder);
        echo 'Folder renamed successfully.';
    } catch (Exception $e) {
        echo 'Error renaming folder: ' . $e->getMessage();
    }
} else {
    echo 'Folder does not exist.';
}

Keywords

file_exists rename unlink is_dir permission denied

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