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php目录文件扫描程序

WBOY
Release: 2016-05-25 16:51:22
Original
1114 people have browsed it

这段代码来自phpcms觉得很好,所以拿出来分享给大家,有需要的朋友可以参考一下。

<?php
/** 
 * 文件扫描
 * @param $filepath     目录
 * @param $subdir       是否搜索子目录
 * @param $ex           搜索扩展
 * @param $isdir        是否只搜索目录
 * @param $md5   是否生成MD5验证码
 * @param $enforcement  强制更新缓存
 */
function scan_file_lists($filepath, $subdir = 1, $ex = &#39;&#39;, $isdir = 0, $md5 = 0, $enforcement = 0) {
    static $file_list = array();
    if ($enforcement) $file_list = array();
    $flags = $isdir ? GLOB_ONLYDIR : 0;
    $list = glob($filepath . &#39;*&#39; . (!emptyempty($ex) && emptyempty($subdir) ? &#39;.&#39; . $ex : &#39;&#39;) , $flags);
    if (!emptyempty($ex)) $ex_num = strlen($ex);
    foreach ($list as $k => $v) {
        $v1 = str_replace(PHPCMS_PATH, &#39;&#39;, $v);
        if ($subdir && is_dir($v)) {
            scan_file_lists($v . DIRECTORY_SEPARATOR, $subdir, $ex, $isdir, $md5);
            continue;
        }
        if (!emptyempty($ex) && strtolower(substr($v, -$ex_num, $ex_num)) == $ex) {
            if ($md5) {
                $file_list[$v1] = md5_file($v);
            } else {
                $file_list[] = $v1;
            }
            continue;
        } elseif (!emptyempty($ex) && strtolower(substr($v, -$ex_num, $ex_num)) != $ex) {
            unset($list[$k]);
            continue;
        }
    }
    return $file_list;
}
?>
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