tpecl is a helper to compile and cache php extensions on travis

tpecl.sh

#!/usr/bin/env bash

# How to use:
#
# Copy this to your travis file
#
# cache:
#   directories:
#     - ${HOME}/php-ext
#
# And add it to your bash file
# source ./tpecl.sh
#
# tpecl mongodb-${DRIVER_VERSION} mongodb.so

tpecl () {
    local EXT_NAME=$1
    local EXT_SO_NAME=$2
    local EXT_DIR=$(php -r "echo ini_get('extension_dir');")
    local EXT_CACHE=~/php-ext/$(basename $EXT_DIR)/$EXT_NAME
    local INI_PATH=~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini

    if [[ -f "$EXT_CACHE/$EXT_SO_NAME" ]]; then
        echo extension=$EXT_CACHE/$EXT_SO_NAME >> $INI_PATH
    else
        mkdir -p $EXT_CACHE

        echo yes | pecl install -f $EXT_NAME &&

        cp $EXT_DIR/$EXT_SO_NAME $EXT_CACHE
    fi

    if [[ ! $(php -m | grep -w "${EXT_SO_NAME%.*}") ]]; then
        echo extension=$EXT_SO_NAME >> $INI_PATH
    fi
}

export -f tpecl;

Download it with:
wget https://cdn.rawgit.com/prisis/4e81f5e52ad7e11518e4d2eb81d7e89d/raw/765b9ee3a2f2c48edac7f4ecae9f6e02662902a4/tpecl.sh