PHP批量去除BOM头代码分享

时间:2021-11-26 15:57:13
?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
<?php
/**
* 去除bom头信息
*/
header("Content-Type:text/html; charset=utf-8");
 
$auto = 1;
checkdir("D:\wamp\www\sales");
function checkdir($basedir){
if ($dh = opendir($basedir)) {
 while (($file = readdir($dh)) !== false) {
  if ($file != '.' && $file != '..'){
  if (!is_dir($basedir."/".$file)) {
   echo "文件名称: $basedir/$file ".checkBOM("$basedir/$file")." <br>";
  }else{
   $dirname = $basedir."/".$file;
   checkdir($dirname);
  }
  }
 }
closedir($dh);
}
}
function checkBOM ($filename) {
global $auto;
$contents = file_get_contents($filename);
$charset[1] = substr($contents, 0, 1);
$charset[2] = substr($contents, 1, 1);
$charset[3] = substr($contents, 2, 1);
if (ord($charset[1]) == 239 && ord($charset[2]) == 187 && ord($charset[3]) == 191) {
 if ($auto == 1) {
  $rest = substr($contents, 3);
  rewrite ($filename, $rest);
  return ("<font color=red>发现BOM并且已自动删除</font>");
 } else {
  return ("<font color=red>发现BOM</font>");
 }
}
else return ("没有发现BOM");
}
function rewrite ($filename, $data) {
$filenum = fopen($filename, "w");
flock($filenum, LOCK_EX);
fwrite($filenum, $data);
fclose($filenum);
}
?>