Look at these filenames. Is this something fucky?

https://endchan.net/b/res/23095.html#23116
/tmp/phpxglr3v
https://endchan.net/christian/res/211.html#235
/tmp/phpcguJ2E
https://endchan.net/pol/res/65362.html#75002
/tmp/phple1Evt

What is in those folders server side?