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）9 H! i4 z2 T4 u6 Z! [, Y; R1 C, O
$HOME = dirname(__FILE__);
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// 如果是Windows系统，修改为：$WIN = 1;8 G1 H0 T4 t" f* \" H6 Z6 ~) M4 w/ e
$WIN = 0;. c6 f- ~4 ~3 u
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>UTF8 BOM 清除器</title>- K5 K% j2 f, r$ r3 s5 U: D9 ?+ o
<style>& D& c: ?/ E$ f) b1 I7 x, l; g
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; }( ?" d7 [. n5 {( J; |# {7 M5 O
</style>9 E! K2 K$ R, L- m& i- u% A# {2 O
</head>
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<body>/ ]7 q/ F9 k9 u5 X4 r
<?php( y7 H* a, ^: s0 f/ b- ?
$BOMBED = array();$ T* a. H$ L6 R. p. B. \8 p" P! N
RecursiveFolder($HOME);% e- m. M) f7 J; U9 N: }! |
echo '<h2>These files had UTF8 BOM, but i cleaned them:</h2><p class="FOUND">';
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foreach ($BOMBED as $utf) { echo $utf ."<br />\n"; }/ f+ ^1 `) z3 ?1 G3 Y
echo '</p>';6 m: }, [) ~8 q4 [& V. k" A
// 递归扫描% O/ u* M4 v2 D2 z2 E+ E
function RecursiveFolder($sHOME) {9 w! [" f: @$ l/ e
global $BOMBED, $WIN; g8 e& c. N/ e. A
$win32 = ($WIN == 1) ? "\" : "/";' _# [6 P, L! C# Y3 R! s
$folder = dir($sHOME);
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$foundfolders = array();6 R4 y; I [3 l3 m- c
while ($file = $folder->read()) {, } [2 B: h( F! L# a
if($file != "." and $file != "..") {
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if(filetype($sHOME . $win32 . $file) == "dir"){" [2 {! U, i: r
$foundfolders[count($foundfolders)] = $sHOME . $win32 . $file;9 v e9 K& h9 z8 J
} else {
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$content = file_get_contents($sHOME . $win32 . $file);
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$BOM = SearchBOM($content);3 w9 U. [! V( K! y7 x. z6 l f
if ($BOM) {
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$BOMBED[count($BOMBED)] = $sHOME . $win32 . $file;5 G5 q3 ]4 X4 J7 c- {/ G+ h D
// 移出BOM信息2 E; Z4 N' @) I% j C9 A4 {7 ?4 F l
$content = substr($content,3);7 N$ y3 m& u! e& u* e( w
// 写回到原始文件$ p. I/ a) I8 T3 B; o0 M
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($foundfolders) > 0) {
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foreach ($foundfolders as $folder) {6 J' U/ N+ i. Z% `# t" j4 G
RecursiveFolder($folder, $win32);7 o5 } @/ Z! M3 O+ l* j: \) N, L
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}
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// 搜索当前文件是否有BOM8 _: ^( D/ I& F$ q! b. e
function SearchBOM($string) { . T" `9 S" P+ p& {1 D' j
if(substr($string,0,3) == pack("CCC",0xef,0xbb,0xbf)) return true;5 d Z: |! P/ m" e! H5 N3 v2 A" T& {
return false; 2 Q5 o) {: k( b6 M0 C z
}
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</body>; n. |1 T1 r: b; j1 u; r0 T( ]
</html>

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