(PHP 4, PHP 5, PHP 7)
closedir — Close directory handle
closedir ([ resource $dir_handle ] ) : void
Closes the directory stream indicated by dir_handle. The stream must have previously been opened by opendir().
Example #1 closedir() example
<?php
$dir = "/etc/php5/";
// Open a known directory, read directory into variable and then close
if (is_dir($dir)) {
if ($dh = opendir($dir)) {
$directory = readdir($dh);
closedir($dh);
}
}
?>
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https://www.php.net/manual/en/function.closedir.php