Run multiple mongo db versions and extensions in the travis build.

Removed a couple php versions to keep the number of runs down.

Author: Jonathan Gaillard

.travis.yml

@@ -1,10 +1,19 @@
 language: php
 php:
   - 5.6
-  - 5.5
-  - 5.4
   - 5.3
-services: mongodb
+env:
+  - EXT_VERSION=1.3.7 DB_PACKAGE=mongodb-10gen
+  - EXT_VERSION=1.3.7 DB_PACKAGE=mongodb-org
+  - EXT_VERSION=1.5.4 DB_PACKAGE=mongodb-10gen
+  - EXT_VERSION=1.5.4 DB_PACKAGE=mongodb-org
+before_install:
+  - "sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10"
+  - "echo 'deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen' | sudo tee /etc/apt/sources.list.d/mongodb.list"
+  - "sudo apt-get update"
+  - "sudo apt-get install ${DB_PACKAGE}"
 before_script:
-  - echo 'extension="mongo.so"' >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
+  - yes '' | pecl install -f mongo-${EXT_VERSION}
+    # wait for mongo, start is only needed for 2.4 package, see http://tldp.org/LDP/abs/html/devref1.html for description of this syntax.
+  - sudo service mongodb start; bash -c 'while ! exec 6<>/dev/tcp/localhost/27017; do echo "$(date) - still trying to connect to mongo"; sleep 1; done'
 script: php build.php