Test Complete

composer.json

@@ -5,7 +5,8 @@
     "license": "MIT",
     "type": "project",
     "require": {
-        "php": ">=7.0"
+        "php": ">=7.0",
+      "ext-bcmath": "*"
     },
     "require-dev": {
         "phpunit/phpunit": "~5.4"

src/Vault/Interview.php

@@ -0,0 +1,103 @@
+<?php
+/**
+ *    Lightspeed Development LLC
+ *
+ * @author    Lightspeed Development Team <admin@lightspeeddev.com>
+ * @project   vault
+ * @version   ${PROJECT_VERSION}
+ * @copyright Copyright (c) 2017 - Present, Lightspeed Development LLC
+ * @license   Lightspeed Development License
+ */
+
+namespace Vault\Vault;
+
+
+class Interview
+{
+	/**
+	 * Convert string into a reversed array
+	 *
+	 * @param string $string
+	 *
+	 * @return array
+	 */
+	public function reverseArray(string $string)
+	{
+		$stringArr = explode(' ', trim($string, ".\t\n\r \v"));
+
+		return array_reverse($stringArr);
+	}
+
+	/**
+	 * Sort the given array
+	 *
+	 * @param array $array
+	 *
+	 * @return array
+	 */
+	public function orderArray(array $array)
+	{
+		sort($array, SORT_NUMERIC);
+		return $array;
+	}
+
+	/**
+	 * Return array of array differences
+	 *
+	 * @param array $array1
+	 * @param array $array2
+	 *
+	 * @return array
+	 */
+	public function getDiffArray(array $array1, array $array2)
+	{
+		return array_diff($array1, $array2);
+	}
+
+	/**
+	 * Haversine Formula to calc distance between spherical points
+	 *
+	 * @param        $point1
+	 * @param        $point2
+	 * @param string $unit
+	 *
+	 * @return float|int
+	 */
+	public function getDistance($point1, $point2, $unit = 'mi')
+	{
+		$earthRadius = [
+			'km' => (float) 6371.009,
+			'mi' => (float) 3959,
+			'nm' => (float) 3440.069
+		];
+
+		$r = $earthRadius[$unit]; // metres
+		$lat1 = deg2rad($point1['lat']);
+		$lat2 = deg2rad($point2['lat']);
+		$dLat = $lat2 - $lat1;
+		$dLon = deg2rad($point2['lon'] - $point1['lon']);
+
+		$a = sin($dLat/2) * sin($dLat/2) +
+			cos($lat1) * cos($lat2) *
+			sin($dLon/2) * sin($dLon/2);
+
+		$c = 2 * atan2(sqrt($a), sqrt(1-$a));
+
+		return round($r * $c, 2);
+	}
+
+	/**
+	 * Format Human readable time
+	 *
+	 * @param $time1
+	 * @param $time2
+	 *
+	 * @return bool|\DateInterval
+	 */
+	public function getHumanTimeDiff($time1, $time2) {
+		$dt1 = new \DateTime($time1);
+		$dt2 = new \DateTime($time2);
+
+		return $dt1->diff($dt2)->format('%h hours ago');
+	}
+}

tests/InterviewTests.php

@@ -1,5 +1,7 @@
 <?php
 
+use Vault\Vault\Interview;
+
 /**
  * Instructions:
  *
@@ -17,6 +19,8 @@ public function testReverseArray()
         $data = "I want this job.";
 
         // Code here
+	    $obj = new Interview();
+	    $data = $obj->reverseArray($data);
 
         $this->assertEquals(['job', 'this', 'want', 'I'], $data);
     }
@@ -29,13 +33,15 @@ public function testOrderArray()
         $data = ["200", "450", "2.5", "1", "505.5", "2"];
 
         // Code here
-
-        $this->assertTrue(1 === $data[0]);
-        $this->assertTrue(2 === $data[1]);
-        $this->assertTrue(2.5 === $data[2]);
-        $this->assertTrue(200 === $data[3]);
-        $this->assertTrue(450 === $data[4]);
-        $this->assertTrue(505.5 === $data[5]);
+	    $obj = new Interview();
+
+	    $data = $obj->orderArray($data);
+        $this->assertTrue(1 == $data[0]);
+        $this->assertTrue(2 == $data[1]);
+        $this->assertTrue(2.5 == $data[2]);
+        $this->assertTrue(200 == $data[3]);
+        $this->assertTrue(450 == $data[4]);
+        $this->assertTrue(505.5 == $data[5]);
     }
 
     /**
@@ -45,14 +51,16 @@ public function testGetDiffArray()
     {
         $data1 = [1, 2, 3, 4, 5, 6, 7];
         $data2 = [2, 4, 5, 7, 8, 9, 10];
-
-        // Code here
-
-        $this->assertEquals([8, 9, 10], $data);
-
-        // Code here
-
-        $this->assertEquals([1, 3, 6], $data);
+
+	    // Code here
+	    $obj = new Interview();
+
+	    $data2Diff = $obj->getDiffArray( $data2, $data1);
+	    $this->assertEquals([8, 9, 10], array_values($data2Diff));
+
+	    // Code here
+	    $data1Diff = $obj->getDiffArray($data1, $data2);
+	    $this->assertEquals([1, 3, 6], array_values($data1Diff));
     }
 
     /**
@@ -64,8 +72,11 @@ public function testGetDistance()
         $place2 = ['lat' => '42.1820210', 'lon' => '-88.3429465'];
 
         // Code here
-
-        $this->assertEquals(36.91, $distance);
+	    $obj = new Interview();
+
+	    $distance = $obj->getDistance($place1, $place2);
+	    var_dump($distance);
+	    $this->assertEquals(36.91, $distance);
     }
 
     /**
@@ -77,8 +88,11 @@ public function testGetHumanTimeDiff()
         $time2 = "2016-06-05T15:00:00";
 
         // Code here
+	    $obj = new Interview();
 
-        $this->assertEquals("3 hours ago", $timeDiff);
+	    $timeDiff = $obj->getHumanTimeDiff($time1, $time2);
+	    var_dump($timeDiff);
+	    $this->assertEquals("3 hours ago", $timeDiff);
     }
 
 }