Where can take two slashes( // ) in the beginning of the file?

Good friends!
At the beginning of all files appear - //
I thought somewhere in the code, and so on, but create a blank file and these two brats are already there.
So the file is clean, and the browser they are displayed!
c2n.me/3OdsECx
I am so confused)
June 14th 19 at 20:47
2 answers
June 14th 19 at 20:49
Don't believe it.
If the symbols in the html so someone recorded them there. Probably somewhere in the php script.
Ie somewhere in the script cat. monitors all files and adds // ? - diamond commented on June 14th 19 at 20:52
Unlikely. Probably the script index.php (uppercase) or something like wrapper.php (which the design adds to the content) - Jerad_Padbe commented on June 14th 19 at 20:55
I say, create a new file, test.php and there already all will be.
I think it's all the same in php, because .html does not. - diamond commented on June 14th 19 at 20:58
can do this myself with Nginx, in this case even completely turn off php, as it will still add) - keara_Mosciski commented on June 14th 19 at 21:01
1. what removes cat test.php?

2. which makes wget <a href="http://site.ru/test.php</code>">http://site.ru/test.php</a> (instead of site.ru - your domain)? - Jerad_Padbe commented on June 14th 19 at 21:04
cat didn't give it up
wget downloaded with these slashes - diamond commented on June 14th 19 at 21:07
Then, perhaps, it adds the web server (Nginx / Apache). Look in *.conf / .htaccess - Jerad_Padbe commented on June 14th 19 at 21:10
June 14th 19 at 20:51
It is able to make itself Nginx. There is a special module. Only with such small initial data nothing is clear.
https://github.com/openresty/echo-nginx-module#con...

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