尝试一下
原文链接：https://www.f2er.com/php/131148.html$handle = @fopen("/path/to/file.bin","r");
if ($handle) {
while (!feof($handle)) {
$buffer[] = fgets($handle,400);
}
fclose($handle);
$buffer[0][0] = chr(hexdec("FF")); // set the first byte to 0xFF
}
// convert array to string
