How to display binary data in PHP

How to display binary data in PHP
I want to study the dictionary of this software, according to the online description, the data in the IDX file is the word and the corresponding explanation in the Diz file location. But are binary, these data in the Web page is displayed is garbled or space, how can I let him display as a number, or meaningful visible characters?

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Use the unpack function to convert binary content to PHP-recognized values
It's just that you'd better open it with an editor with Hex editing, mostly to figure out his data structure.
Before we can write a program.
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The Wang Zhen of the star translation under Linux is painful enough. But Linux looks like there is no good translation tools to open the browser ...

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