phpvalue.rb

module PhpValue
  def self.indent(depth)
    ' ' * depth * 4
  end

  def self.output(value, depth = 0)
    case value
    when true, false
      value.to_s
    when nil
      "null"
    when String
      "'#{value}'"
    when Numeric
      "#{value}"
    when Array
      if value.size > 0
        inner = value.map { |v| self.output(v, depth + 1) }.join(",\n#{indent(depth + 1)}")
        "array(\n#{indent(depth + 1)}#{inner}\n#{indent(depth)})"
      else
        "array()"
      end
    when Hash
      inner = value.sort.map do |k, v|
        vv = self.output(v, depth + 1)
        "#{indent(depth + 1)}'#{k}' => #{vv}"
      end.join(",\n")
      "array(\n#{inner}\n#{indent(depth)})"
    else
      "null"
    end
  end
end