old_contents: var semver = require('semver');
  var _ = require('lodash');
  var agent = require('superagent');
  
  var SEMVER = /[0-9]+\.[0-9]+\.[0-9]+/g;
  var TIMEOUT = 20000;
  var NOOP = function() {};
  
  function PHPSource(options) {
    _.extend(this, {
      name: 'php',
      url: 'https://packages.cloudcontrolled.com/buildpack-php/versions',
      all: [],
      stable: [],
      updated: undefined
    }, options);
  }
  
  PHPSource.prototype.update = function(done) {
    done = done || NOOP;
  
    return agent.get(this.url)
      .timeout(TIMEOUT)
      .end(parseResponse.bind(this));
  
    function parseResponse(err, res) {
      if (err) {
        return done(err, false);
      }
      if (!res.text) {
        return done(new Error('No response'), false);
      }
      if (res.status !== 200) {
        return done(new Error('Bad response'), false);
      }
  
      this._parse(res.text);
  
      return done(undefined, true);
    }
  };
  
  PHPSource.prototype._parse = function(body) {
    var matches = body.match(SEMVER);
    var versions = _.unique(matches);
  
    this.all = versions.sort(semver.compare);
    this.stable = versions.filter(function(version) {
      return semver(version).prerelease.length === 0;
    });
    this.updated = new Date();
  };
  
  module.exports = PHPSource;
  
new_contents: var semver = require('semver');
  var _ = require('lodash');
  var agent = require('superagent');
  
  var SEMVER = /[0-9]+\.[0-9]+\.[0-9]+/g;
  var TIMEOUT = 20000;
  var NOOP = function() {};
  
  function PHPSource(options) {
    _.extend(this, {
      name: 'php',
      url: 'https://packages.' + process.env.DOMAIN + '/buildpack-php/versions',
      all: [],
      stable: [],
      updated: undefined
    }, options);
  }
  
  PHPSource.prototype.update = function(done) {
    done = done || NOOP;
  
    return agent.get(this.url)
      .timeout(TIMEOUT)
      .end(parseResponse.bind(this));
  
    function parseResponse(err, res) {
      if (err) {
        return done(err, false);
      }
      if (!res.text) {
        return done(new Error('No response'), false);
      }
      if (res.status !== 200) {
        return done(new Error('Bad response'), false);
      }
  
      this._parse(res.text);
  
      return done(undefined, true);
    }
  };
  
  PHPSource.prototype._parse = function(body) {
    var matches = body.match(SEMVER);
    var versions = _.unique(matches);
  
    this.all = versions.sort(semver.compare);
    this.stable = versions.filter(function(version) {
      return semver(version).prerelease.length === 0;
    });
    this.updated = new Date();
  };
  
  module.exports = PHPSource;
  
subject: Use DOMAIN variable for the php endpoint