非法字符原因以及解决办法 - 程序源码论坛-1024

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// 设定你要清除BOM的根目录（会自动扫描所有子目录和文件）* a3 C' j; j7 z2 t& L
$HOME = dirname(__FILE__);8 A% Z1 y+ \0 B( p& E! s& D
// 如果是Windows系统，修改为：$WIN = 1;
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$WIN = 0;
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>! K/ G4 J" I( N! V3 {! ]
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>UTF8 BOM 清除器</title>
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<style>
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body { font-size: 10px; font-family: Arial, Helvetica, sans-serif; background: #FFF; color: #000; }- G' ^' J6 n' E0 {5 g
.FOUND { color: #F30; font-size: 14px; font-weight: bold; }
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</style>
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</head>
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<body>
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<?php
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$BOMBED = array();
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RecursiveFolder($HOME);$ K+ q# P! p" n1 \) S- y: u
echo '<h2>These files had UTF8 BOM, but i cleaned them:</h2><p class="FOUND">';+ l$ T/ l# |0 m5 s% [# j
foreach ($BOMBED as $utf) { echo $utf ."<br />\n"; }
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echo '</p>';
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// 递归扫描
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function RecursiveFolder($sHOME) {2 P; r& I5 e4 f+ n: f! _
global $BOMBED, $WIN;
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$win32 = ($WIN == 1) ? "\" : "/";
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$folder = dir($sHOME);
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$foundfolders = array();4 P* s7 \0 p3 @! B) T
while ($file = $folder->read()) {& t% N! ]8 x3 s" n- C( C0 p$ b$ c
if($file != "." and $file != "..") {* O+ w: s/ T: [7 [# j
if(filetype($sHOME . $win32 . $file) == "dir"){
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$foundfolders[count($foundfolders)] = $sHOME . $win32 . $file;! K% }9 G. i, `5 X* b
} else {
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$content = file_get_contents($sHOME . $win32 . $file);
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$BOM = SearchBOM($content);/ H: u5 }0 v! f3 ?
if ($BOM) {
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$BOMBED[count($BOMBED)] = $sHOME . $win32 . $file;. s0 P# j; J! z3 [
// 移出BOM信息/ E8 y" E" c% Y4 o6 `3 f, Z
$content = substr($content,3);
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// 写回到原始文件
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file_put_contents($sHOME . $win32 . $file, $content);
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}
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$folder->close();3 @" H. C: _! f8 ^
if(count($foundfolders) > 0) {7 g) |0 `* _' U% H8 n: B' G3 {
foreach ($foundfolders as $folder) {
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RecursiveFolder($folder, $win32);
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}
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// 搜索当前文件是否有BOM
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function SearchBOM($string) {
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if(substr($string,0,3) == pack("CCC",0xef,0xbb,0xbf)) return true;
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return false; - x7 Z: k& R2 i1 n: o4 w( ~2 D
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</body>
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</html>

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