MongoDB driver for PHP. Formula was removed
Last versions were
php54-mongodb requires the following formulae to be installed:
autoconf 2.69 Automatic configure script builder
openssl 1.0.2o_1 SSL/TLS cryptography library

Recent formula history

Mike McQuaid Deprecate tap.
Mark Garrett Update to 1.3.2. PHP 5.4 is not supported in the 1.3.x branch, so update to latest 1.2.x branch
Andreas Braun php{54-72}-mongodb 1.3.0-beta1
Andreas Braun php{54-71}-mongodb 1.2.9
Andreas Braun php{54-71}-mongodb 1.2.8

Formula code at GitHub