Merge pull request #629 from MarkVaughn/mark/php7

Adds PHP7 type hinting where missing

src/Collection/TaskResultCollection.php

@@ -28,14 +28,11 @@ public function isFailed(): bool
         return false;
     }
 
-    /**
-     * @return int|mixed
-     */
-    public function getResultCode()
+    public function getResultCode(): int
     {
         $resultCode = static::NO_TASKS;
         foreach ($this as $taskResult) {
-            $resultCode = max($resultCode, $taskResult->getResultCode());
+            $resultCode = (int) max($resultCode, $taskResult->getResultCode());
         }
 
         return $resultCode;

src/Console/Command/ConfigureCommand.php

@@ -213,7 +213,7 @@ protected function guessGitDir(): string
         return rtrim($this->paths()->getRelativePath($topLevel), '/');
     }
 
-    public function pathValidator($path): string
+    public function pathValidator(string $path): string
     {
         if (!$this->filesystem->exists($path)) {
             throw new RuntimeException(sprintf('The path %s could not be found!', $path));

src/Console/Command/Git/PreCommitCommand.php

@@ -57,9 +57,6 @@ protected function configure()
         );
     }
 
-    /**
-     * @return int|void
-     */
     public function execute(InputInterface $input, OutputInterface $output)
     {
         $io = new ConsoleIO($input, $output);

src/Console/Command/RunCommand.php

@@ -53,9 +53,6 @@ protected function configure()
         );
     }
 
-    /**
-     * @return int|void
-     */
     public function execute(InputInterface $input, OutputInterface $output)
     {
         $files = $this->getRegisteredFiles();

src/Util/Str.php

@@ -6,12 +6,8 @@ class Str
 {
     /**
      * String contains one of the provided needles
-     *
-     * @param string $haystack
-     * @param array $needles
-     * @return bool
      */
-    public static function containsOneOf($haystack, array $needles)
+    public static function containsOneOf(string $haystack, array $needles): bool
     {
         foreach ($needles as $needle) {
             if ($needle !== '' && mb_strpos($haystack, $needle) !== false) {