function test_DayCalc_yearCode()
{
//Arrange
$test_DayCalc = new DayCalc();
$input = '04/19/1979';
//Act
$result = $test_DayCalc->calcDay($input);
//Assert
$this->assertEquals("Thursday", $result);
}
<?php
require_once __DIR__ . "/../vendor/autoload.php";
require_once __DIR__ . "/../src/DayCalc.php";
use Symfony\Component\Debug\Debug;
Debug::enable();
$app = new Silex\Application();
$app['debug'] = true;
$app->register(new Silex\Provider\TwigServiceProvider(), array('twig.path' => __DIR__ . '/../views'));
$app->get("/", function () use($app) {
return $app['twig']->render('index.html.twig');
});
$app->get("/view_result", function () use($app) {
$day = new DayCalc();
$date = $_GET['date'];
$day_of_week = $day->calcDay($date);
$date_array = explode("-", $date);
$month_array = array("1", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December");
$month_number = intval($date_array[1]);
$day_number = intval($date_array[2]);
$year_number = intval($date_array[0]);
$date_for_output = "{$month_array[$month_number]} {$day_number}, {$year_number}";
return $app['twig']->render('result.html.twig', array('day' => $day_of_week, 'date' => $date_for_output));
});
return $app;
function calcDay($input)
{
$month_conversion_array = array(6, 2, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4);
$month_date_year_array = explode("-", $input);
$month_for_conversion = intval($month_date_year_array[1]);
$month_for_conversion--;
if (DayCalc::leapYear($month_date_year_array[0])) {
$month_conversion_array[0] = 5;
$month_conversion_array[1] = 1;
}
$day_code = $month_date_year_array[2];
$day_code = intval($day_code);
$month_code = $month_conversion_array[$month_for_conversion];
$year_for_conversion = $month_date_year_array[0];
$year_pattern = 0;
if ($year_for_conversion < 1600 || $year_for_conversion >= 2400) {
return "Error. Please enter a date range from 1/1/1600 to 12/31/2399";
} else {
if ($year_for_conversion >= 2300 && $year_for_conversion <= 2399) {
$year_for_conversion -= 300;
$year_pattern = 1;
} else {
if ($year_for_conversion >= 2200 && $year_for_conversion <= 2299) {
$year_for_conversion -= 200;
$year_pattern = 3;
} else {
if ($year_for_conversion >= 2100 && $year_for_conversion <= 2199) {
$year_for_conversion -= 100;
$year_pattern = 5;
} else {
if ($year_for_conversion >= 2000 && $year_for_conversion <= 2099) {
$year_for_conversion -= 0;
$year_pattern = 0;
} else {
if ($year_for_conversion >= 1900 && $year_for_conversion <= 1999) {
$year_for_conversion += 100;
$year_pattern = 1;
} else {
if ($year_for_conversion >= 1800 && $year_for_conversion <= 1899) {
$year_for_conversion += 200;
$year_pattern = 3;
} else {
if ($year_for_conversion >= 1700 && $year_for_conversion <= 1799) {
$year_for_conversion += 300;
$year_pattern = 5;
} else {
if ($year_for_conversion >= 1600 && $year_for_conversion <= 1699) {
$year_for_conversion += 400;
$year_pattern = 0;
} else {
return "what?";
}
}
}
}
}
}
}
}
}
$day_of_week_array = array("Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday");
$year_code = (floor($year_for_conversion - 2000) / 4 + ($year_for_conversion - 2000)) % 7;
//2099 - floor(99 / 4) = 24; 24 + 99 = 123; 123 % 7 = 4
$year_code += $year_pattern;
$day_of_week_element = $month_code + $day_code + $year_code;
while ($day_of_week_element > 6) {
$day_of_week_element -= 7;
if ($day_of_week_element < 0) {
return "less than 0";
}
}
return $day_of_week_array[$day_of_week_element];
}