feat(Vowels): merge pull request from Ahmed-Aboud

added count3 function to count Vowels and test cases

Author: azdanov

exercises/Vowels/Complete/VowelsComplete.php

@@ -31,4 +31,18 @@ public static function count2(string $string): int
 
         return $counter;
     }
+    
+    public static function count3(string $string): int
+    {
+         $counter = 0;
+         $length = strlen($string);
+         $vowels = ['a','e','i','o','u'];
+
+          for($i=0;$i < $length;++$i){
+              if (in_array(strtolower($string[$i]),$vowels)) {
+                    ++$counter;
+               }             
+           }
+          return $counter;
+    }
 }

tests/Vowels/Complete/VowelsCompleteTest.php

@@ -48,4 +48,20 @@ public function testCanCountNone2(): void
     {
         self::assertSame(0, VowelsComplete::count2('bcdfghjkl'));
     }
+    public function testCanCount3(): void
+    {
+        self::assertSame(5, VowelsComplete::count3('abcdefghijklmnopqrstuvwxyz'));
+    }
+    public function testCanCountAllUpper3(): void
+    {
+        self::assertSame(5, VowelsComplete::count3('AEIOU'));
+    }
+    public function testCanCountOnly3(): void
+    {
+        self::assertSame(5, VowelsComplete::count3('aeiou'));
+    }
+    public function testCanCountNone3(): void
+    {
+        self::assertSame(0, VowelsComplete::count3('bcdfghjkl'));
+    }
 }