.travis.yml

language: php 

php:
  - 5.6
  - 7.0

env:
  global:
    # PHP Code Sniffer special rules
    - R_CLASS="Squiz.Classes.ValidClassName" # must use CamleClasName    
    - R_CONST="Generic.NamingConventions.UpperCaseConstantName" # const must UPPERCASE
    - R_FILE="PSR1.Files.SideEffects" # a file declare , or executes logic, not both 
    - R_LINE="Generic.Files.LineLength" #
    - R_METHOD="PSR1.Methods.CamelCapsMethodName" # must use camleMethodName
    - R_NS="PSR1.Classes.ClassDeclaration" # class must use Namespace
    - CS_INGNORE="components/install/view.php"    # ingore Files
  matrix:
    #strict mode to check formatting
    - STRICT=true 
    # exclude some special or unsupported conventions
    - STRICT=false

#allow failures
matrix:
  allow_failures:
    - env: STRICT=true

#install dependence
install:
  - composer install --prefer-dist --verbose

#init the env to exclude
before_script:
  # STRICT mode only exclude Namespace and LineLength
  - if [[ "$STRICT" == "true" ]];then
      export CS_EXCLUDE="$R_LINE,$R_NS";
    else
      export CS_EXCLUDE="$R_CLASS,$R_CONST,$R_FILE,$R_LINE,$R_METHOD,$R_NS";
    fi
  - echo $CS_EXCLUDE

# check formatting and Syntax
script:
  - ./vendor/bin/phpcs components
      --standard=PSR2
      --exclude="$CS_EXCLUDE"
      --ignore="$CS_INGNORE"
      --colors
      --extensions=php