Work on Joinup or OpenEuropa?

whichproject

#!/usr/bin/env php
<?php

const JOINUP_RATIO = 0.667;

$times = [];
foreach (['Joinup', 'NextEuropa', 'OpenEuropa'] as $project) {
  do {
    $time = readline("Time spent on $project: ");
  } while (!is_numeric($time));
  $times[$project] = $time;
}

do {
  $work_days = readline("Total number of work days this month: ");
} while (!is_numeric($work_days));

$total_time = array_sum($times);
$month_time = $work_days * 8;
$times['OpenEuropa'] = $total_time - $times['Joinup'];
$ratio = $times['Joinup'] / $total_time;
$project = $ratio < JOINUP_RATIO ? 'Joinup' : 'OpenEuropa';
$target_total_time = $project === 'OpenEuropa' ? $times['Joinup'] * 1 / JOINUP_RATIO : $times['OpenEuropa'] * 1 / (1 - JOINUP_RATIO);
$remaining_time = $project === 'OpenEuropa' ? (1 - JOINUP_RATIO) * $target_total_time - $times['OpenEuropa'] : JOINUP_RATIO * $target_total_time - $times['Joinup'];
$remaining_hours = floor($remaining_time); 
$remaining_minutes = floor(fmod($remaining_time, 1) * 60);

print "Work on $project for $remaining_hours hours $remaining_minutes minutes.\n";

// Calculate the total remaining time this month.
$total_remaining = $month_time - $total_time;

foreach (['Joinup', 'OpenEuropa'] as $project) {
  $ratio = $project === 'Joinup' ? JOINUP_RATIO : 1 - JOINUP_RATIO;
  $total_project_time = $month_time * $ratio;
  $remaining_project_time = $total_project_time - $times[$project];
  $remaining_project_hours = floor($remaining_project_time); 
  $remaining_project_minutes = floor(fmod($remaining_project_time, 1) * 60);
  print "Remaining time for $project this month: $remaining_project_hours hours $remaining_project_minutes minutes.\n";
}