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PHP批量去除PHP文件中bom的代码 - jerrylsxu

程序员文章站 2022-04-29 10:15:38
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";    
                }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, $rest);    
            return ("BOM found, automatically removed._http://www.joyphper.net");    
        } else {    
            return ("BOM found.");    
        }    
    }    
    else return ("BOM Not Found.");    
}    
function rewrite ($filename, $data) {    
    $filenum = fopen($filename, "w");    
    flock($filenum, LOCK_EX);    
    fwrite($filenum, $data);    
    fclose($filenum);    
}    
?>