一不小心让 ultraedit 写入了bom(因为我在别的机器上编辑过文件,他的ultraedit.ini没设置过),所以搞得authimage显示不出来,忙了好几天。当然最根本就是在ultraedit.ini中修改一下设置为:

程式碼:
Write UTF-8 BOM=0
Write UTF-8 BOM NF=0
同时写了一个小程序,用来自动移除文件头中的boms,放到根目录中执行一次就行了。


//remove the utf-8 boms
//by magicbug at gmail dot com

if (isset($_GET['dir'])){ //config the basedir
$basedir=$_GET['dir'];
}else{
$basedir = '.';
}

$auto = 1;

checkdir($basedir);

function checkdir($basedir){
if ($dh = opendir($basedir)) {
while (($file = readdir($dh)) !== false) {
if ($file != '.' && $file != '..'){
if (!is_dir($basedir."/".$file)) {
echo "filename: $basedir/$file ".checkBOM("$basedir/$file")."
";
}else{
$dirname = $basedir."/".$file;
checkdir($dirname);
}
}
}
closedir($dh);
}
}

function checkBOM ($filename) {
global $auto;
$contents = file_get_contents($filename);
$charset[1] = substr($contents, 0, 1);
$charset[2] = substr($contents, 1, 1);
$charset[3] = substr($contents, 2, 1);
if (ord($charset[1]) == 239 && ord($charset[2]) == 187 && ord($charset[3]) == 191) {
if ($auto == 1) {
$rest = substr($contents, 3);
rewrite ($filename, $rest);
return ("BOM found, automatically removed.");
} else {
return ("BOM found.");
}
}
else return ("BOM Not Found.");
}

function rewrite ($filename, $data) {
$filenum = fopen($filename, "w");
flock($filenum, LOCK_EX);
fwrite($filenum, $data);
fclose($filenum);
}

資料來源:http://forum.lifetype.org.tw/index.php?PHPSESSID=678cfe4590eb69a0e25266f291996992&topic=2108.msg12367#msg12367
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