新文件

bom.php

+<?php
+// echo "test";exit;
+if (isset($_GET['dir'])) { //设置文件目录 
+  $basedir = $_GET['dir'];
+} else {
+  $basedir = '.';
+}
+$auto = 1;
+checkdir($basedir);
+ 
+function checkdir($basedir)
+{
+  if ($dh = opendir($basedir)) {
+    while (($file = readdir($dh)) !== false) {
+      if ($file != '.' && $file != '..') {
+        if (!is_dir($basedir . "/" . $file)) {
+          echo "filename: $basedir/$file " . checkBOM("$basedir/$file") . " <br>";
+        } 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, $rest);
+      return ("<font color='red'>BOM found, automatically removed.</font>");
+    } else {
+      return ("<font color='red'>BOM found.</font>");
+    }
+  } else
+    return ("BOM Not Found.");
+}
+ 
+function rewrite($filename, $data)
+{
+  $filenum = fopen($filename, "w");
+  flock($filenum, LOCK_EX);
+  fwrite($filenum, $data);
+  fclose($filenum);
+}
+?>
\ No newline at end of file