非法字符原因以及解决办法 - 程序源码论坛-1024

<?php ( T9 i9 \2 X( a' V7 M: w9 [3 w5 G
// 设定你要清除BOM的根目录（会自动扫描所有子目录和文件）$ k4 ~, Z n. I
$HOME = dirname(__FILE__);; w* B1 L' d$ X) t O- Y) _" t
// 如果是Windows系统，修改为：$WIN = 1;
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$WIN = 0;' g% {- U! S2 |* V/ u* X 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">: Y& C0 \" G' S2 P- z
<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" />& g( [) ?' g' I0 o% C! x
<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; }7 x' T5 N, g% R
.FOUND { color: #F30; font-size: 14px; font-weight: bold; }
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</style>, o& b5 j* F3 l9 q9 `3 L
</head>& D6 \! f& j. D, _' e. ^& u
<body>
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<?php& \- ?. f/ C0 `) s
$BOMBED = array();
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RecursiveFolder($HOME);
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echo '<h2>These files had UTF8 BOM, but i cleaned them:</h2><p class="FOUND">';
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foreach ($BOMBED as $utf) { echo $utf ."<br />\n"; }) }6 l! y, \0 i9 a! P
echo '</p>';
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// 递归扫描. S& M/ S- @9 H" _1 c7 f
function RecursiveFolder($sHOME) {* Q& ]- u2 y2 B# F5 v& V o
global $BOMBED, $WIN;5 v7 c" D' X/ H" N' l2 x y
$win32 = ($WIN == 1) ? "\" : "/";
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$folder = dir($sHOME);
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$foundfolders = array();
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while ($file = $folder->read()) {$ {: l; t7 L2 l3 r5 Z
if($file != "." and $file != "..") {
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if(filetype($sHOME . $win32 . $file) == "dir"){( n2 M" ?7 L" M" F
$foundfolders[count($foundfolders)] = $sHOME . $win32 . $file;1 ?5 N P2 p$ _+ c# C, v
} else {3 r, N+ s8 E% J+ s$ E8 T+ d
$content = file_get_contents($sHOME . $win32 . $file);6 p/ B: A7 A8 a6 w C t
$BOM = SearchBOM($content);% Z" u6 K( b3 ~8 f6 G9 k& x
if ($BOM) {
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$BOMBED[count($BOMBED)] = $sHOME . $win32 . $file;! B6 C% q- K ` T
// 移出BOM信息
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$content = substr($content,3); b+ P2 r2 s& T- e, M
// 写回到原始文件' D, Q! y: @0 B$ M2 a( K) W3 H
file_put_contents($sHOME . $win32 . $file, $content);9 h# e8 C3 o* E
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}
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$folder->close();
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if(count($foundfolders) > 0) {
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foreach ($foundfolders as $folder) {
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RecursiveFolder($folder, $win32);4 U4 }' x" O; }. v3 p
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}; f b& Y$ T% c1 G/ C6 \
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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;0 {& ?% w3 B: r: \* D/ e7 j- D( c
return false;
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}
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</body>& m' y; t; j& ?3 e& @; A8 C
</html>

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