These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.17 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/oniguruma-6.9.10:0/5::gentoo  USE="-crnl-as-line-terminator -static-libs" 957 KiB
[ebuild  N     ] app-eselect/eselect-php-0.9.9::gentoo  USE="-apache2 -fpm" 54 KiB
[ebuild  N     ] net-libs/c-client-2007f_p7-r1::gentoo  USE="ipv6 pam ssl -doc -kerberos -static-libs -topal" 2772 KiB
[ebuild  N     ] dev-lang/php-8.3.35:8.3::gentoo  USE="acl bzip2 cli ctype fileinfo filter flatfile gdbm gmp iconv imap ipv6 jit jpeg nls opcache opcache-jit phar png posix readline session simplexml sqlite ssl threads tokenizer truetype unicode xml zlib -apache2 -apparmor -argon2 -avif -bcmath -berkdb -calendar -capstone -cdb -cgi -curl -debug -embed -enchant -exif -ffi -fpm -ftp -gd -inifile -intl -iodbc -kerberos -ldap -ldap-sasl -libedit -lmdb -mhash -mssql -mysql -mysqli -odbc -pcntl -pdo -phpdbg -postgres -qdbm (-selinux) -session-mm -sharedmem -snmp -soap -sockets -sodium -spell (-systemd) -sysvipc -test -tidy -tokyocabinet -valgrind -webp -xmlreader -xmlwriter -xpm -xslt -zip" POSTGRES_TARGETS="postgres17 -postgres15 -postgres16 -postgres18" 12328 KiB
[ebuild  N     ] dev-php/pecl-mailparse-3.2.0:7::gentoo  PHP_TARGETS="php8-3 -php8-2 -php8-4 -php8-5" 931 KiB

Total: 5 packages (5 new), Size of downloads: 17040 KiB