Re: how to display the binary form of the file with php?

On 13.08.2016 at 03:08, 水静流深 wrote: > Every file can be displayed in the binary form no matter which encoding the file is.(utf-8 gbk > iso-8859-1 latin-1) > > xxd filename can do the trick. > > Now i want to do with php,here is my try. > > > <?php $target="test.txt"; $file_handle = fopen($target, "rb"); > while (!feof($file_handle)) { $byte = fread($file_handle,1); echo $byte; } > fclose($file_handle ); ?> > It is unlucky that all the character is not displayed on binary form,how to fix > echo $byte ? You can use echo dechex($byte); instead. printf() might be preferable, though. Note that reading a file bytewise might be rather slow in PHP. Consider to read chunks of bytes instead. -- Christoph M. Becker