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用PHP解决万恶的BOM

来源:中国IT实验室 作者:佚名 发表于:2013-07-01 13:17  点击:
[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);
 [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);
  }
  }
  }
  友情提示:代码是批量处理目录下(包括子目录)的所有带BOM文件,使用前需备份

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