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批量清除目录下的文件BOM头clearbom.php
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<?php | |
if (isset($_GET['dir'])){ //设置文件目录 | |
$basedir=$_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")." <br>"; | |
}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, $rest); | |
return ("<font color=red>BOM found, automatically removed.</font>"); | |
}else { | |
return ("<font color=red>BOM found.</font>"); | |
} | |
}else return ("BOM Not Found."); | |
} | |
function rewrite ($filename, $data) { | |
$filenum = fopen($filename, "w"); | |
flock($filenum, LOCK_EX); | |
fwrite($filenum, $data); | |
fclose($filenum); | |
} | |
?> |
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