批量 gb->utf-8编码转换. (转)

 

<?
//文件编码转换.
function file_iconv($fromcode,$tocode,$file){
    $data = join('',file($file));
    if(preg_match('/charset='.str_replace('-','/-',$tocode).'/mis',$data)){
        echo "<font color='red'>$file  $tocode .</font>";
    }
    $data = preg_replace('/charset='.str_replace('-','/-',$fromcode).'/mis',"charset=$tocode",$data);
    $data = preg_replace('/(sets+namess+)''.str_replace('-','',$fromcode).''/mis',"/1'".str_replace('-','',$tocode)."'",$data);
    $data = iconv("$fromcode","$tocode",$data);
    $fp = fopen("$file","w");
    fwrite($fp,$data);
    fclose($fp);
    echo "$file ...<br>";
}

function listfiles($dir="."){
    
    $handle=opendir("$dir");
    while ($file = readdir($handle)) {
        if($file=="."||$file=="..")continue;
        if(is_dir("$dir/$file")){
            listfiles("$dir/$file");
        }
        else {
            $ext = strtolower(strrchr($file,'.'));
            if(in_array($ext,array(".php",".html",".htm"))){
                file_iconv("gb2312","utf-8","$dir/$file");
            }
        }
    }
    closedir($handle);
}

listfiles("mydir");
?>