class php::apc(
  $series,
  $ensure = 'present',
) {
  $fpm              = $::php::fpm
  $services_portion = regsubst($series,           '^', 'php')
  $services         = regsubst($services_portion, '$', '-fpm')

  if $series == '5' {
    $version = $::php::params::version5
  }
  else {
    $version = $::php::params::version7
  }

  package { [ 'php-apcu', 'php-apcu-bc' ]:
    ensure => $ensure,
    notify => $fpm ? {
      'present' => Service[$services],
      default   => undef,
    },
  }
}