我有以下内容:
<?php
$path = '/home/user/test';
$dir = new RecursiveDirectoryIterator( $path );
$iterator = new RecursiveIteratorIterator( $dir );
$dir_iterator = new RegexIterator( $iterator, '/^.+\.php/i', RecursiveRegexIterator::GET_MATCH );
?>
到目前为止一切顺利,但我需要反转结果,以归档与array_reverse()相同的效果
我尝试过这样做,没有成功:
<?php
$dir_iterator = array_reverse( (array)$dir_iterator );
?>
另外,如何才能获得返回的结果数?我试过这个,但是没有用:
<?php
$total_results = count( $dir_iterator );
?>
有人可以帮帮我吗?
非常感谢提前!
答案 0 :(得分:5)
您需要的是iterator_to_array
,您可以尝试
$dir_iterator = array_reverse(iterator_to_array($dir_iterator ));
计算迭代器你需要的是:
$total_results = iterator_count( $dir_iterator );
Better Sill实施你的
$dir_iterator = new ReverseIterator($dir_iterator);
foreach ( $dir_iterator as $file ) {
// do your thing
}
// To get total
echo count($dir_iterator);
使用的课程
class ReverseIterator extends ArrayIterator implements Countable {
private $t;
public function __construct(Iterator $it) {
$r = array_reverse(iterator_to_array($it));
$this->t = count($r);
parent::__construct($r);
unset($r);
}
function count() {
return $this->t;
}
}