.travis.yml

# Travis CI (MIT License) configuration file
# @link https://travis-ci.org/

# Use new container based environment
sudo: false

# Declare project language.
# @link http://about.travis-ci.org/docs/user/languages/php/
language: php

# Declare versions of PHP to use. Use one decimal max.
matrix:
  fast_finish: true

  include:
    # aliased to 5.3.29
    - php: '5.3'
    # aliased to a recent 5.4.x version
    - php: '5.4'
    # aliased to a recent 5.5.x version
    - php: '5.5'
      env: SNIFF=1
    # aliased to a recent 5.6.x version
    - php: '5.6'
    # aliased to a recent 7.0.x version
    - php: '7.0'
    # aliased to a recent 7.1.x version
    - php: '7.1'
    # aliased to a recent hhvm version
    - php: 'hhvm'

  allow_failures:
    - php: 'hhvm'

before_script:
  - export PHPCS_DIR=/tmp/phpcs
  - export SNIFFS_DIR=/tmp/sniffs
  # Install CodeSniffer for WordPress Coding Standards checks.
  - if [[ "$SNIFF" == "1" ]]; then git clone -b master --depth 1 https://github.com/squizlabs/PHP_CodeSniffer.git $PHPCS_DIR; fi
  # Install WordPress Coding Standards.
  - if [[ "$SNIFF" == "1" ]]; then git clone -b master --depth 1 https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards.git $SNIFFS_DIR; fi
  # Install PHP Compatibility sniffs.
  - if [[ "$SNIFF" == "1" ]]; then git clone -b master --depth 1 https://github.com/wimg/PHPCompatibility.git $SNIFFS_DIR/PHPCompatibility; fi
  # Set install path for WordPress Coding Standards.
  # @link https://github.com/squizlabs/PHP_CodeSniffer/blob/4237c2fc98cc838730b76ee9cee316f99286a2a7/CodeSniffer.php#L1941
  - if [[ "$SNIFF" == "1" ]]; then $PHPCS_DIR/scripts/phpcs --config-set installed_paths $SNIFFS_DIR; fi
  # After CodeSniffer install you should refresh your path.
  - if [[ "$SNIFF" == "1" ]]; then phpenv rehash; fi


# Run test script commands.
# All commands must exit with code 0 on success. Anything else is considered failure.
script:
    # Search for PHP syntax errors.
    - find -L . -name '*.php' -print0 | xargs -0 -n 1 -P 4 php -l
    # WordPress Coding Standards.
    # @link https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards
    # @link http://pear.php.net/package/PHP_CodeSniffer/
    # -p flag: Show progress of the run.
    # -s flag: Show sniff codes in all reports.
    # -v flag: Print verbose output.
    # -n flag: Do not print warnings. (shortcut for --warning-severity=0)
    # --standard: Use WordPress as the standard.
    # --extensions: Only sniff PHP files.
    - if [[ "$SNIFF" == "1" ]]; then $PHPCS_DIR/scripts/phpcs -p -s -v -n . --standard=./phpcs.xml --extensions=php; fi

# Receive notifications for build results.
# @link http://docs.travis-ci.com/user/notifications/#Email-notifications
notifications:
    email: false