1 <?php
2 if (isset($_GET['dir'])) { //设置文件目录
3 $basedir = $_GET['dir'];
4 } else {
5 $basedir = '.';
6 }
7
8 $auto = 1;
9 checkdir($basedir);
10
11 function checkdir($basedir)
12 {
13 if ($dh = opendir($basedir)) {
14 while (($file = readdir($dh)) !== false) {
15 if ($file != '.' && $file != '..') {
16 if (!is_dir($basedir . "/" . $file)) {
17 echo "filename: $basedir/$file " . checkBOM("$basedir/$file") . " <br>";
18 } else {
19 $dirname = $basedir . "/" . $file;
20 checkdir($dirname);
21 }
22 }
23 }
24 closedir($dh);
25 }
26 }
27
28 function checkBOM($filename)
29 {
30 global $auto;
31 $contents = file_get_contents($filename);
32 $charset[1] = substr($contents, 0, 1);
33 $charset[2] = substr($contents, 1, 1);
34 $charset[3] = substr($contents, 2, 1);
35 if (ord($charset[1]) == 239 && ord($charset[2]) == 187 && ord($charset[3]) == 191) {
36 if ($auto == 1) {
37 $rest = substr($contents, 3);
38 rewrite($filename, $rest);
39 return ("<font color='red'>BOM found, automatically removed.</font>");
40 } else {
41 return ("<font color='red'>BOM found.</font>");
42 }
43 } else
44 return ("BOM Not Found.");
45 }
46
47 function rewrite($filename, $data)
48 {
49 $filenum = fopen($filename, "w");
50 flock($filenum, LOCK_EX);
51 fwrite($filenum, $data);
52 fclose($filenum);
53 }
54
55 ?>
