(PHP 5, PHP 7)
DirectoryIterator::getGroup — Get group for the current DirectoryIterator item
Get the group id of the file.
此函数没有参数。
Returns the group id of the current DirectoryIterator item in numerical format.
Example #1 DirectoryIterator::getGroup() example
<?php
$iterator = new DirectoryIterator(dirname(__FILE__));
$groupid = $iterator->getGroup();
echo 'Directory belongs to group id ' . $groupid . "\n";
print_r(posix_getgrgid($groupid));
?>
以上例程的输出类似于：
Directory belongs to group id 42
Array
(
[name] => toons
[passwd] => x
[members] => Array
(
[0] => tom
[1] => jerry
)
[gid] => 42
)