PHP7 isn't currently supported
commit3bad6f4aa40fce4f4eee02226012b8f981b76c34
authorOlly Betts <olly@survex.com>
Sun, 27 Mar 2016 08:56:16 +0000 (27 21:56 +1300)
committerOlly Betts <olly@survex.com>
Sun, 27 Mar 2016 08:56:16 +0000 (27 21:56 +1300)
tree43b4edfd32adc5238bf87ecd98aedc6e0c823736
parentd20921ed23322d33709fa08cea612b8935edb5b9
PHP7 isn't currently supported

Note in documentation, and check for this version in configure and
reject it.
xapian-bindings/README
xapian-bindings/configure.ac
xapian-bindings/php/docs/index.rst