.travis.yml

dist: xenial
language: php

env:
  global:
    - ICU_VERSION=58.2

matrix:
    include:
        - php: 7.1
        - php: 7.2
        - php: 7.3

services:
  - mysql

cache:
    directories:
     - /home/travis/.build/php-icu-58.2
     - /home/travis/.build/icu-58.2

before_install:
  - sudo apt-get update
  - travis_retry composer self-update
  - |
      if [[ $ICU_VERSION ]]; then
        ICU_DIR=$HOME/.build/icu-$ICU_VERSION
        ICU_PHP_VERSION=$(php -r "echo PHP_VERSION;")
        ICU_PHP_DIR=$HOME/.build/php-icu-$ICU_VERSION
        echo $ICU_PHP_DIR
        export ICU_PHP=$ICU_PHP_DIR/bin/php
        if [ -f $ICU_PHP ]; then
          echo "Using cached PHP directory."
        else
          wget -O icu-src.tgz http://download.icu-project.org/files/icu4c/$ICU_VERSION/icu4c-$(echo $ICU_VERSION | tr '.' '_')-src.tgz
          mkdir icu-src && tar xzf icu-src.tgz -C icu-src --strip-components=1
          pushd icu-src/source
              ./configure --prefix=$ICU_DIR
              make && make install
          popd
          wget -O php-src.tgz http://us1.php.net/get/php-$ICU_PHP_VERSION.tar.gz/from/this/mirror
          mkdir php-src && tar xzf php-src.tgz -C php-src --strip-components=1
          pushd php-src
              ./configure --prefix=$ICU_PHP_DIR --enable-intl --with-icu-dir=$ICU_DIR
              make && make install
          popd
        fi
        $ICU_PHP -r "echo INTL_ICU_VERSION.PHP_EOL;"
        $ICU_PHP -r "var_dump((new ReflectionClass('Normalizer'))->getConstants());"
      fi
  - $ICU_PHP -i

install:
  - travis_retry composer update --prefer-dist --no-interaction --prefer-stable --no-suggest

script:
  - $ICU_PHP ./vendor/bin/phpunit

branches:
  only:
    - master
    - improve-travis-build