非法字符原因以及解决办法 - 程序源码论坛-1024

<?php + d7 j' s K! l, n
// 设定你要清除BOM的根目录（会自动扫描所有子目录和文件）, w$ Z( j5 T9 w3 m
$HOME = dirname(__FILE__);, I9 h0 H! K; |' p4 ~* @ d
// 如果是Windows系统，修改为：$WIN = 1;& r; U1 M1 T& A& P
$WIN = 0;1 d$ j% }" J. ~3 u m
?>
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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>- ` I) u+ B& x6 O% S
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>UTF8 BOM 清除器</title>" M/ ?+ P' X3 K5 _
<style>
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body { font-size: 10px; font-family: Arial, Helvetica, sans-serif; background: #FFF; color: #000; }
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.FOUND { color: #F30; font-size: 14px; font-weight: bold; }" R( z% g9 O/ b1 h" C
</style>
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</head>
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<body>7 T; h# y# F/ c1 h8 S* ~- {6 g
<?php! o0 F3 Q+ U1 S5 C8 D! R6 \1 k0 G
$BOMBED = array();# u( F9 w+ A$ w1 D+ G6 ?; B
RecursiveFolder($HOME);6 c! q( f0 k T( S3 X
echo '<h2>These files had UTF8 BOM, but i cleaned them:</h2><p class="FOUND">';
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foreach ($BOMBED as $utf) { echo $utf ."<br />\n"; }
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echo '</p>';3 ~' ?8 ^+ Z! \
// 递归扫描9 q: i( W/ c. v; E+ J
function RecursiveFolder($sHOME) {( N. f7 Q$ `; E" w; W/ d; C
global $BOMBED, $WIN;
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$win32 = ($WIN == 1) ? "\" : "/";
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$folder = dir($sHOME);$ S9 o5 {0 R- B+ ?$ B8 z7 |. z0 L6 ?
$foundfolders = array();
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while ($file = $folder->read()) {
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if($file != "." and $file != "..") {
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if(filetype($sHOME . $win32 . $file) == "dir"){- T& e+ E& M5 E3 k, Q
$foundfolders[count($foundfolders)] = $sHOME . $win32 . $file;9 a; C& i5 u( w/ O9 z: o
} else {
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$content = file_get_contents($sHOME . $win32 . $file);
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$BOM = SearchBOM($content);% j: r8 b1 _# x8 K* `, d; ^. N
if ($BOM) {
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$BOMBED[count($BOMBED)] = $sHOME . $win32 . $file;
// 移出BOM信息
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$content = substr($content,3);
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// 写回到原始文件( o+ h% A m/ ?
file_put_contents($sHOME . $win32 . $file, $content);
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}
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}
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}
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$folder->close();% L$ W( W P+ j9 ^2 L& H
if(count($foundfolders) > 0) {3 k2 w- X$ W' |( O- h
foreach ($foundfolders as $folder) {/ I4 \' I1 ^4 f9 r# f6 K# U
RecursiveFolder($folder, $win32);
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}
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// 搜索当前文件是否有BOM6 {" O2 b9 ~3 `( S% J( ?' T9 Q
function SearchBOM($string) { ! j1 ?6 c: }9 I% F- w$ s7 f
if(substr($string,0,3) == pack("CCC",0xef,0xbb,0xbf)) return true;
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return false;
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}
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?>
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</body>2 {& J, p, E. k# P- L' c2 \: U h
</html>

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