Call tpecl and parameterize extension name

Author: kvwalker

.travis.yml

@@ -49,8 +49,8 @@ before_install:
   - |
     # tpecl is a helper to compile and cache php extensions
       tpecl () {
-          local ext_name=ext-mongodb
-          local ext_so=mongodb.so
+          local ext_name=$1
+          local ext_so=$2
           local ext_dir=$(php -r "echo ini_get('extension_dir');")
           local ext_cache=~/php-ext/$(basename $ext_dir)/$ext_name
           if [[ -e $ext_cache/$ext_so ]]; then
@@ -66,7 +66,7 @@ before_install:
 before_script:
   - mongo-orchestration start
   - pushd ${MO_PATH} && ${TRAVIS_BUILD_DIR}/.travis/mo.sh configurations/servers/clean.json start && popd
-  - pecl install -f mongodb-${DRIVER_VERSION}
+  - tpecl mongodb-${DRIVER_VERSION} mongodb.so
   - php --ri mongodb
   - composer install --no-interaction --no-progress --no-suggest
   - ulimit -c