<?php
/**
*去除bom头信息
*/
header("Content-Type:text/html;charset=utf-8");
$auto=1;
checkdir("D:\wamp\www\sales");
functioncheckdir($basedir){
if($dh=opendir($basedir)){
while(($file=readdir($dh))!==false){
if($file!='.'&&$file!='..'){
if(!is_dir($basedir."/".$file)){
echo"文件名称:$basedir/$file".checkBOM("$basedir/$file")."<br>";
}else{
$dirname=$basedir."/".$file;
checkdir($dirname);
}
}
}
closedir($dh);
}
}
functioncheckBOM($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("<fontcolor=red>发现BOM并且已自动删除</font>");
}else{
return("<fontcolor=red>发现BOM</font>");
}
}
elsereturn("没有发现BOM");
}
functionrewrite($filename,$data){
$filenum=fopen($filename,"w");
flock($filenum,LOCK_EX);
fwrite($filenum,$data);
fclose($filenum);
}
?>
