This software uses function split() which was deprecated already in PHP 5.6 and removed in 7.0. While a newer version of FlySpray (1.0) is in beta, the one we have in ports (0.9.9.7) needs something like PHP_VER=56 in the Makefile to run. That's however not enough, since devel/flyspray requires databases/adodb, which needs the same treat (unless it becomes flavorized one day). According to FreshPorts, devel/flyspray is the only consumer of databases/adodb.
Created attachment 202089 [details] Use databases/adodb5 instead of databases/adodb Upon further investigation, FlySpray itself can work with PHP 7.2 (albeit with some warnings). The real problem is its dependency databases/adodb, which is stuck at PHP 5. However FlySpray works fine with (the newer) databases/adodb5.
A commit references this bug: Author: amdmi3 Date: Thu Feb 18 20:04:22 UTC 2021 New revision: 565975 URL: https://svnweb.freebsd.org/changeset/ports/565975 Log: Switch from databases/adodb to databases/adodb5 to fix with newer versions of PHP PR: 231220 Submitted by: ml@netfence.it Changes: head/devel/flyspray/Makefile