It doesn't seem like this is a list of packages that can simply get no-change rebuilds to pick up php rather than php5; for instance:

fusionforge-6.0.3+20151023/debian/control:Depends: fusionforge-common (=${source:Version}), php5-cli, ${misc:Depends}
fusionforge-6.0.3+20151023/debian/control:Depends: fusionforge-common (=${source:Version}), php5-cli, libnss-pgsql2, openssh-server, unscd | nscd, libpam-modules, ucf, ${misc:Depends}
fusionforge-6.0.3+20151023/debian/control:Depends: fusionforge-common (=${source:Version}), fusionforge-shell (=${source:Version}), xinetd, rsync, php5-cli, ${misc:Depends}
fusionforge-6.0.3+20151023/debian/control:Depends: fusionforge-common (=${source:Version}), php5-cli, fusionforge-mta-postfix | fusionforge-mta, mailman, ${misc:Depends}
fusionforge-6.0.3+20151023/debian/control:Depends: fusionforge-web (=${source:Version}), php5-cli, python-moinmoin, python-psycopg2, libapache2-mod-wsgi, ${misc:Depends}
fusionforge-6.0.3+20151023/debian/control:Depends: fusionforge-web (=${source:Version}), php5-ldap, ${misc:Depends}
fusionforge-6.0.3+20151023/debian/control:Depends: fusionforge-web (=${source:Version}), php5-cli, ${misc:Depends}
fusionforge-6.0.3+20151023/debian/control:Depends: fusionforge-web (=${source:Version}), php5-cli, php5-curl, mksh, ${perl:Depends}, ${misc:Depends}
fusionforge-6.0.3+20151023/debian/control:Depends: fusionforge-web (=${source:Version}), php5-ldap, ${misc:Depends}
fusionforge-6.0.3+20151023/debian/control.in:Depends: php5-cli, php5-pgsql, php-htmlpurifier, cron, ucf, ${misc:Depends}
fusionforge-6.0.3+20151023/debian/control.in:Depends: fusionforge-common (=${source:Version}), postgresql, php5-cli, ${misc:Depends}
fusionforge-6.0.3+20151023/debian/control.in:Depends: fusionforge-common (=${source:Version}), fusionforge-db, libapache2-mpm-itk | apache2-mpm-itk, php5-cli, libapache2-mod-php5, libphp-simplepie, php-http, php-http-webdav-server, libjs-jquery-livequery, python, poppler-utils, openssl, ${misc:Depends}
fusionforge-6.0.3+20151023/debian/control.in:Depends: fusionforge-common (=${source:Version}), php5-cli, ${misc:Depends}
fusionforge-6.0.3+20151023/debian/control.in:Depends: fusionforge-common (=${source:Version}), php5-cli, libnss-pgsql2, openssh-server, unscd | nscd, libpam-modules, ucf, ${misc:Depends}
fusionforge-6.0.3+20151023/debian/control.in:Depends: fusionforge-common (=${source:Version}), fusionforge-shell (=${source:Version}), xinetd, rsync, php5-cli, ${misc:Depends}
fusionforge-6.0.3+20151023/debian/control.in:Depends: fusionforge-common (=${source:Version}), php5-cli, fusionforge-mta-postfix | fusionforge-mta, mailman, ${misc:Depends}
fusionforge-6.0.3+20151023/debian/plugins:Depends: php5-cli, python-moinmoin, python-psycopg2, libapache2-mod-wsgi
fusionforge-6.0.3+20151023/debian/plugins:Depends: php5-ldap
fusionforge-6.0.3+20151023/debian/plugins:Depends: php5-cli
fusionforge-6.0.3+20151023/debian/plugins:Depends: php5-cli, php5-curl, mksh, ${perl:Depends}
fusionforge-6.0.3+20151023/debian/plugins:Depends: php5-ldap
galette-0.8+dfsg/debian/changelog:  * Fix /etc/cron.daily/galette to not fail when galette and/or php5 is
galette-0.8+dfsg/debian/changelog:    asking renewals of membership. Add the corresponding php5-cli
galette-0.8+dfsg/debian/control:Depends: php5-cli, libapache2-mod-php5 (>= 5.4), apache2 | httpd,
galette-0.8+dfsg/debian/control: php5-curl, php5-gd, php5-tidy, php5-mcrypt, php5-pgsql | php5-mysql | php5-sqlite,
galette-0.8+dfsg/debian/galette.cron.daily:if [ ! -e /usr/share/galette/reminder.php ] || ! which php5 >/dev/null 2>&1; then
galette-0.8+dfsg/debian/galette.cron.daily:su - www-data -s /bin/sh -c "php5 -d error_reporting=22519 /usr/share/galette/reminder.php"
glpi-0.84.8+dfsg.1/debian/changelog:  * Add php5-mysqlnd as an alternate dependency for php5-mysql
glpi-0.84.8+dfsg.1/debian/changelog:  * Replace domxml-php5-php5.php by a LGPL version (Closes: #496071)
glpi-0.84.8+dfsg.1/debian/changelog:  * Prefer php5 over php4
glpi-0.84.8+dfsg.1/debian/control:    php5 | php5-cgi | libapache2-mod-php5,
glpi-0.84.8+dfsg.1/debian/control:    php5-cli,
glpi-0.84.8+dfsg.1/debian/control:    php5-mysql | php5-mysqlnd,
glpi-0.84.8+dfsg.1/debian/glpi.cron.d:*/1 * * * * www-data /usr/bin/php5 /usr/share/glpi/front/cron.php
hoteldruid-2.1.4/debian/changelog:  * debian/control: added php7.0 as alternative to php5.
hoteldruid-2.1.4/debian/control:Depends: ${misc:Depends}, ucf, apache2 | httpd, libapache2-mod-php5 | php5-cgi | php5 | libapache2-mod-php7.0 | php7.0-cgi | php7.0,
hoteldruid-2.1.4/debian/control: php5-sqlite (>= 5.3.3) | php7.0-sqlite3