Uploading blackjack hand calculator.

Author: WritingPanda

Exercises/PHP/blackhand.php

@@ -0,0 +1,71 @@
+<?php 
+
+$hand = ['A-H', '5-D', 'K-C', 'A-S', '4-H'];
+
+function getTotal($array) {
+    $total = 0;
+    $cardValue = [];
+    $ace = 0;
+
+    foreach ($array as $card) {
+        $card = explode('-', $card);
+        switch ($card[0]) {
+            case 'A':
+                $ace = 11;
+                $cardValue[] = &$ace;
+                break;
+            case 'K':
+            case 'Q':
+            case 'J':
+                $cardValue[] = 10;
+                break;
+            case '10':
+                $cardValue[] = 10;
+                break;
+            case '9':
+                $cardValue[] = 9;
+                break;
+            case '8':
+                $cardValue[] = 8;
+                break;
+            case '7':
+                $cardValue[] = 7;
+                break;
+            case '6':
+                $cardValue[] = 6;
+                break;
+            case '5':
+                $cardValue[] = 5;
+                break;
+            case '4':
+                $cardValue[] = 4;
+                break;
+            case '3':
+                $cardValue[] = 3;
+                break;
+            case '2':
+                $cardValue[] = 2;
+                break;
+        }
+
+        $total = array_sum($cardValue);
+
+        if ($total > 21) {
+            $ace = 1;
+        } 
+    }
+
+    return $total;
+}
+
+$total = getTotal($hand);
+
+if ($total > 21) {
+    echo "You've gone over with $total. Too bad. Good news is that you won't lose any money. Try again?" . PHP_EOL;
+} elseif ($total == 21){
+    echo "Perfect hand with a total of $total! You will win a game of Blackjack!" . PHP_EOL;
+} else {
+    echo "Your total is $total. If your total is > 17, don't hit, but if your total is < 17, hit!" . PHP_EOL;
+}
+
+?>