Use PHP to solve all evil BOM_PHP tutorial

[php]
$path = dirname(__FILE__); 
 
scandDir($path); 
 
 
function bomtoutf8($filename) 
{ 
    $ef = 239; 
    $bb = 187; 
    $bf = 191; 
 
    if (is_dir($filename)) return; 
    $fd = fopen($filename, "rb"); 
    if (!$fd) exit($filename); 
    $headers = fread($fd, 3); 
    fclose($fd); 
     
    if (strlen($headers) < 3) return; 
 
    if (ord($headers[0]) == $ef &&  
        ord($headers[1]) == $bb && 
        ord($headers[2]) == $bf 
        ) { 
        echo $filename, "n"; 
        $content = file_get_contents($filename); 
        if (!$content) { 
            exit("file get contents failed"); 
        } 
        $len = strlen($content); 
        $content = substr($content, 3); 
 
        if ($content === false && $len!=3) { 
            exit("sbustr failed"); 
        } else if ($content === false && $len==3){ 
            $content = ""; 
        } 
        $ret = file_put_contents($filename, $content, LOCK_EX); 
        if ($ret === false) { 
            exit("file put contents failed"); 
        } 
        echo "successed file ", $filename, "n"; 
    } 
 
 
} 
 
function scandDir($path) 
{ 
    $d = dir($path); 
    if (!$d) exit("dir failed"); 
 
    while (false !== ($entry = $d->read())) { 
        if ($entry == '.' || $entry == '..') { 
            continue; 
        } 
        $filename = $path . DIRECTORY_SEPARATOR . $entry; 
    //  echo $filename, "n";  
        if (is_dir($filename)) { 
            scandDir($filename); 
        } else { 
            bomtoutf8($filename); 
        } 
    } 
} 

$path = dirname(__FILE__);

scandDir($path);

function bomtoutf8($filename)
{
 $ef = 239;
 $bb = 187;
 $bf = 191;

 if (is_dir($filename)) return;
 $fd = fopen($filename, "rb");
 if (!$fd) exit($filename);
 $headers = fread($fd, 3);
 fclose($fd);
 
 if (strlen($headers) < 3) return;

 if (ord($headers[0]) == $ef &&
  ord($headers[1]) == $bb &&
  ord($headers[2]) == $bf
  ) {
  echo $filename, "n";
  $content = file_get_contents($filename);
  if (!$content) {
   exit("file get contents failed");
  }
  $len = strlen($content);
  $content = substr($content, 3);

if ($content === false && $len!=3) {
exit("sbustr failed");
} else if ($content === false && $len==3){
$content = "";
}
$ret = file_put_contents($filename, $content, LOCK_EX);
if ($ret === false) {
exit("file put contents failed");
}
echo "successed file ", $filename, "n";
}

}

function scandDir($path)
{
$d = dir($path);
if (!$d) exit("dir failed");

while (false !== ($entry = $d->read())) {
if ($entry == '.' || $entry == '..') {
Continue;
}
$filename = $path . DIRECTORY_SEPARATOR . $entry;
//echo $filename, "n";
if (is_dir($filename)) {
ScandDir($filename);
} else {
bomtoutf8($filename);
}
}
}

Friendly reminder: The code is all BOM files in the batch processing directory (including subdirectories), and needs to be backed up before use

http://www.bkjia.com/PHPjc/477261.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/477261.htmlTechArticle[php] ?php $path = dirname(__FILE__); scandDir($path); function bomtoutf8($filename ) { $ef = 239; $bb = 187; $bf = 191; if (is_dir($filename)) return; $fd = fopen($filename, rb); i...