Fix code-style in files, refactored to PSR12 standard

Author: prusov-code

src/CalcGame.php

@@ -28,8 +28,8 @@ function startCalcGame(): void
                 $expressionResult = $number1 * $number2;
                 break;
         }
-        $expression="{$number1} {$operation} {$number2}";
-        $questions[$i] = $expression ;
+        $expression = "{$number1} {$operation} {$number2}";
+        $questions[$i] = $expression;
         $answers[$i] = $expressionResult;
     }
     playGame($questions, $answers, 'What is the result of the expression?');

src/Cli.php

@@ -48,4 +48,4 @@ function playGame(array $questions, array $correctAnswers, string $gameDescripti
         line('Correct!');
     }
     sayCongratulions($userName);
-}
+}

src/GcdGame.php

@@ -26,4 +26,4 @@ function findGcd(int $number1, int $number2): int
         $number1 = $tempNumber2;
     }
     return $number1;
-}
+}

src/ProgressionGame.php

@@ -27,4 +27,4 @@ function startProgressionGame(): void
 function getProgressionElement(int $index, int $progressionStartNumber, int $progressionStep)
 {
     return $progressionStartNumber + $index * $progressionStep;
-}
+}