PHP json output has?? , CSS style is not normal, remove PHP BOM Header

//Just save the file as removebom.php, place it in the root of the server, and then execute it to remove the server-side BOM.
At the start of a little red dot in chrome

1<?PHP2 //Remove the Utf-8 BOMs3 //by magicbug at gmail dot com4 if(isset($_get[' dir ']) {//config the Basedir5  $basedir=$_get[' dir '];6}Else{7  $basedir= '. ';8 } 9 $auto= 1; TenCheckdir ($basedir); One functionCheckdir ($basedir){ A  if($DH=Opendir($basedir)) { -    while(($file=Readdir($DH)) !==false) { -    if($file! = '. ' &&$file! = ' ... '){ the     if(!Is_dir($basedir." /".$file)) { -      Echo"FileName:$basedir/ - $file". Checkbom ("$basedir/$file")." <br> "; -}Else{ +      $dirname=$basedir." /". - $file; +Checkdir ($dirname); A     } at    } -   } -  Closedir($DH); -  } - } -  in functionCheckbom ($filename) { -  Global $auto; to  $contents=file_get_contents($filename); +  $charset[1] =substr($contents, 0, 1); -  $charset[2] =substr($contents, 1, 1); the  $charset[3] =substr($contents, 2, 1); *  if(Ord($charset[1]) = = 239 &&Ord($charset[2]) = = 187 && $  Ord($charset[3]) = = 191) {Panax Notoginseng   if($auto= = 1) { -    $rest=substr($contents-R); theRewrite ($filename,$rest); +    return("<font Color=red>bom found, AAutomatically removed.</font> "); the}Else { +    return("<font Color=red>bom found. -</font> "); $   } $  } -  Else return("BOM not Found.")); - } the  - functionRewrite ($filename,$data) {Wuyi  $filenum=fopen($filename, "W"); the  Flock($filenum,lock_ex); -  fwrite($filenum,$data); Wu  fclose($filenum); - } About?>

PHP json output has?? , CSS style is not normal, remove PHP BOM Header