(PHP 4, PHP 5, PHP 7, PHP 8)
rmdir — Removes directory
$directory, ?resource $context = null): bool
   Attempts to remove the directory named by directory.
   The directory must be empty, and the relevant permissions must permit this.
   A E_WARNING level error will be generated on failure.
  
   Returns true on success or false on failure.
  
Example #1 rmdir() example
<?php
if (!is_dir('examples')) {
    mkdir('examples');
}
rmdir('examples');
?>