fix undefined $php_modules var
fix undefined $php_modules var

artetecha/puphpet,thedeedawg/puphpet,artetecha/puphpet,mattclegg/puphpet,mattclegg/puphpet,mattclegg/puphpet,artetecha/puphpet,ikari7789/puphpet,mattclegg/puphpet,thedeedawg/puphpet,thedeedawg/puphpet,thedeedawg/puphpet,ikari7789/puphpet,ikari7789/puphpet,ikari7789/puphpet,artetecha/puphpet,artetecha/puphpet,ikari7789/puphpet,thedeedawg/puphpet,mattclegg/puphpet