核心代码
rush:PHP;">
function checkBOM ($filename) {
global $auto;
$contents = file_get_contents($filename);
$charset[1] = substr($contents,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.");
}else {
return ("BOM found.");
}
}else return ("BOM Not Found.");
}
rush:PHP;">
ob_get_clean();
ob_clean();
header("Content-type: image/jpeg");
