Compiling latex into a pdf with PHP

2018-06-11 15:53:41

I'm trying to get PHP to execute this command: /usr/bin/pdflatex --interaction batchmode $path.tex with shell_exec but getting an error from pdflatex:

This is pdfTeX, Version 3.1415926-2.5-1.40.14 (TeX Live 2013/Debian) restricted write18 enabled. entering extended mode ! I can't write on file 'tmp_1439479712.log'. (Press Enter to retry, or Control-D to exit; default file extension is'.log') Please type another transcript file name

I tried making a file with shell_exec("echo test > $path.test") and that worked so www-data can write files to the directory, I also tried running pdflatex in the cli as a user similar to www-data and that worked, what am I missing?

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