tasks a-s

Task/Number-names/PHP/number-names-1.php

@@ -0,0 +1,57 @@
+$orderOfMag = array('Hundred', 'Thousand,', 'Million,', 'Billion,', 'Trillion,');
+$smallNumbers = array('Zero', 'One', 'Two', 'Three', 'Four', 'Five', 'Six', 'Seven', 'Eight', 'Nine',
+'Ten', 'Eleven', 'Twelve', 'Thirteen', 'Fourteen', 'Fifteen', 'Sixteen', 'Seventeen', 'Eighteen', 'Nineteen');
+$decades = array('', '', 'Twenty', 'Thirty', 'Forty', 'Fifty', 'Sixty', 'Seventy', 'Eighty', 'Ninety');
+
+function NumberToEnglish($num, $count = 0){
+   global $orderOfMag, $smallNumbers, $decades;
+   $isLast = true;
+   $str = '';
+
+   if ($num < 0){
+      $str = 'Negative ';
+      $num = abs($num);
+   }
+
+   (int) $thisPart = substr((string) $num, -3);
+
+   if (strlen((string) $num) > 3){
+      // Number still too big, work on a smaller chunk
+      $str .= NumberToEnglish((int) substr((string) $num, 0, strlen((string) $num) - 3), $count + 1);
+      $isLast = false;
+   }
+
+   // do translation stuff
+   if (($count == 0 || $isLast) && ($str == '' || $str == 'Negative '))
+      // This is either a very small number or the most significant digits of the number. Either way we don't want a preceeding "and"
+      $and = '';
+   else
+      $and = ' and ';
+
+   if ($thisPart > 99){
+      // Hundreds part of the number chunk
+      $str .= ($isLast ? '' : ' ') . "{$smallNumbers[$thisPart/100]} {$orderOfMag[0]}";
+
+      if(($thisPart %= 100) == 0){
+         // There is nothing else to do for this chunk (was a multiple of 100)
+         $str .= " {$orderOfMag[$count]}";
+         return $str;
+      }
+      $and = ' and ';  // Set up our and string to the word "and" since there is something in the hundreds place of this chunk
+   }
+
+   if ($thisPart >= 20){
+      // Tens part of the number chunk
+      $str .= "{$and}{$decades[$thisPart /10]}";
+      $and = ' '; // Make sure we don't have any extranious "and"s
+      if(($thisPart %= 10) == 0)
+         return $str . ($count != 0 ? " {$orderOfMag[$count]}" : '');
+   }
+
+   if ($thisPart < 20 && $thisPart > 0)
+      // Ones part of the number chunk
+      return $str . "{$and}{$smallNumbers[(int) $thisPart]} " . ($count != 0 ? $orderOfMag[$count] : '');
+   elseif ($thisPart == 0 && strlen($thisPart) == 1)
+      // The number is zero
+      return $str . "{$smallNumbers[(int)$thisPart]}";
+}

Task/Number-names/PHP/number-names-2.php

@@ -0,0 +1,6 @@
+NumberToEnglish(0);
+NumberToEnglish(12);
+NumberToEnglish(123);
+NumberToEnglish(1234567890123);
+NumberToEnglish(65535);
+NumberToEnglish(-54321);