module.exports = function assert_options(what, value) {
  //  discuss at: https://locutus.io/php/assert_options/
  // original by: Brett Zamir (https://brett-zamir.me)
  //   example 1: assert_options('ASSERT_CALLBACK')
  //   returns 1: null

  let iniKey, defaultVal
  switch (what) {
    case 'ASSERT_ACTIVE':
      iniKey = 'assert.active'
      defaultVal = 1
      break
    case 'ASSERT_WARNING':
      iniKey = 'assert.warning'
      defaultVal = 1
      var msg = 'We have not yet implemented warnings for us to throw '
      msg += 'in JavaScript (assert_options())'
      throw new Error(msg)
    case 'ASSERT_BAIL':
      iniKey = 'assert.bail'
      defaultVal = 0
      break
    case 'ASSERT_QUIET_EVAL':
      iniKey = 'assert.quiet_eval'
      defaultVal = 0
      break
    case 'ASSERT_CALLBACK':
      iniKey = 'assert.callback'
      defaultVal = null
      break
    default:
      throw new Error('Improper type for assert_options()')
  }

  // I presume this is to be the most recent value, instead of the default value
  const iniVal = (typeof require !== 'undefined' ? require('../info/ini_get')(iniKey) : undefined) || defaultVal

  return iniVal
}