www-apps/phpmp needs to be patched and verified with PHP 7 It calls the split function in several places which is removed. I do not know if it works with today's mpd as upstream seems to have abandoned this sub-project. If you no longer wish to maintain it, I suggest removing this package.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=3324eee670ba2e9ba8db35a66c6b4d486b879a6e commit 3324eee670ba2e9ba8db35a66c6b4d486b879a6e Author: Brian Evans <grknight@gentoo.org> AuthorDate: 2018-07-23 14:03:25 +0000 Commit: Brian Evans <grknight@gentoo.org> CommitDate: 2018-07-23 14:09:46 +0000 www-apps/phpmp: Package Removal Closes: https://bugs.gentoo.org/651184 profiles/package.mask | 1 - www-apps/phpmp/Manifest | 1 - www-apps/phpmp/files/postinstall-en.txt | 1 - www-apps/phpmp/metadata.xml | 15 ------------- www-apps/phpmp/phpmp-0.11.0-r1.ebuild | 39 --------------------------------- 5 files changed, 57 deletions(-)