@epsilonadmin
Thank you very much for your kindness. I'll take a look.

@epsilonadmin
Thank you very much. I was relieved to know that it was strong in terms of security.
In which code part of fulltext-search.php is the character data extracted by PdfToText.class.php used? ??

@epsilonadmin
Is there a possibility of security problems using TextMill.io when uploading confidential data? ??

@enya
I'm new to PHP so I'm sorry if I made a mistake. I think I'm converting the character code between lines 282 and 315 in PdfToText.class.php. How can I make the character code such as Shift-JIS convertible here? ??
I'm sorry if it's not the content to ask here.

@epsilonadmin
Thank you very much. Let's take a look at the contents.

@enya
Another question is, in which php file is the code that recognizes the pdf text when NativePHP is applied? ??

@epsilonadmin
Thank you very much.

@enya
I'm sorry, the quality of the data I passed last time was not good, so could you try it with this data?テスト用のデータ.pdf

@epsilonadmin
This is a sample, but I will send it. Thank you.bantekansan.pdf

@epsilonadmin
Yes, I did. It worked fine with Textmill.io. However, we are worried about security, so we would like to operate with Native PHP.