What is the best way to read folder names within a directory using PHP?

To read folder names within a directory using PHP, you can use the `scandir()` function to scan the directory and return an array of files and directories. You can then loop through this array and check if each item is a directory using `is_dir()` function. If it is a directory, you can then output or store the folder name. 

$directory = "path/to/directory";

$folders = array_diff(scandir($directory), array('..', '.'));

foreach($folders as $folder){
    if(is_dir($directory.'/'.$folder)){
        echo $folder . "<br>";
    }
}

Keywords

PHP directory folder names readdir scandir

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