FilterIterator查找所有符合正则条件的文件

[php]代码库

<?php
class ImgFilter extends FilterIterator {
    public function accept() {
        return preg_match('@\.(gif|jpe?g|png)$@i',$this->current());
    }
}

foreach (new ImgFilter(new DirectoryIterator('/www/public_html/images')) as $img) {
    print "<img src='".htmlentities($img)."'/>\n";
}
?>