非法字符原因以及解决办法 - 程序源码论坛-1024

<?php
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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）+ Z0 R0 j/ X5 h
$HOME = dirname(__FILE__);
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// 如果是Windows系统，修改为：$WIN = 1;
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$WIN = 0;
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?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>UTF8 BOM 清除器</title>+ w$ G6 d; F7 _! o7 g, s* b
<style>
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body { font-size: 10px; font-family: Arial, Helvetica, sans-serif; background: #FFF; color: #000; }5 {/ Z3 C. H1 }2 q, T X
.FOUND { color: #F30; font-size: 14px; font-weight: bold; }
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</style>: ^7 x0 p R# u1 N2 l! U a# z: d1 b
</head>9 }% c) q* f; Q/ D
<body>
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<?php* R# T- F4 [0 D# F
$BOMBED = array();3 G3 C) J9 P9 c4 \( {
RecursiveFolder($HOME);
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echo '<h2>These files had UTF8 BOM, but i cleaned them:</h2><p class="FOUND">';) D5 ? b8 z* ~& I; p# w
foreach ($BOMBED as $utf) { echo $utf ."<br />\n"; }
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echo '</p>';9 @5 V* K0 N* M+ O
// 递归扫描. s& ~% Q. h; G0 N/ `( |# c
function RecursiveFolder($sHOME) {
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global $BOMBED, $WIN;
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$win32 = ($WIN == 1) ? "\" : "/";7 h1 w5 U/ c" h+ {& U9 q/ b3 n
$folder = dir($sHOME);: ^: i- b' x7 ]
$foundfolders = array();" n1 C0 Z. i9 G
while ($file = $folder->read()) {
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if($file != "." and $file != "..") {
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if(filetype($sHOME . $win32 . $file) == "dir"){
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$foundfolders[count($foundfolders)] = $sHOME . $win32 . $file;
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} else {3 t3 x! }% }. e5 V5 a& h
$content = file_get_contents($sHOME . $win32 . $file);
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$BOM = SearchBOM($content);2 I N8 f \9 K% w. I8 a5 H( S
if ($BOM) {
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$BOMBED[count($BOMBED)] = $sHOME . $win32 . $file;- o( R; Z2 n( L `7 @( m; g
// 移出BOM信息
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$content = substr($content,3);& E1 l2 |& j/ H# H7 K
// 写回到原始文件4 v" f2 T4 Z+ i9 Z8 @
file_put_contents($sHOME . $win32 . $file, $content);
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}
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}
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$folder->close();
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if(count($foundfolders) > 0) {2 _, \ J) r" y5 I4 A* O u- t
foreach ($foundfolders as $folder) {: r/ _' ~; l* ^% k. g1 k' x
RecursiveFolder($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) { 1 v+ d0 [7 j# h8 Y
if(substr($string,0,3) == pack("CCC",0xef,0xbb,0xbf)) return true;' h. ]; N6 E' D+ \5 y
return false; * Z/ V7 q- _& X7 M8 J4 v6 l
}
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?>
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</body>
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</html>

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