Add void return types

Author: wouterj

ExecutableFinder.php

@@ -23,6 +23,8 @@ class ExecutableFinder
 
     /**
      * Replaces default suffixes of executable.
+     *
+     * @return void
      */
     public function setSuffixes(array $suffixes)
     {
@@ -31,6 +33,8 @@ public function setSuffixes(array $suffixes)
 
     /**
      * Adds new possible suffix to check for executable.
+     *
+     * @return void
      */
     public function addSuffix(string $suffix)
     {

InputStream.php

@@ -29,6 +29,8 @@ class InputStream implements \IteratorAggregate
 
     /**
      * Sets a callback that is called when the write buffer becomes empty.
+     *
+     * @return void
      */
     public function onEmpty(callable $onEmpty = null)
     {
@@ -40,6 +42,8 @@ public function onEmpty(callable $onEmpty = null)
      *
      * @param resource|string|int|float|bool|\Traversable|null $input The input to append as scalar,
      *                                                                stream resource or \Traversable
+     *
+     * @return void
      */
     public function write(mixed $input)
     {
@@ -54,6 +58,8 @@ public function write(mixed $input)
 
     /**
      * Closes the write buffer.
+     *
+     * @return void
      */
     public function close()
     {

PhpProcess.php

@@ -55,6 +55,9 @@ public static function fromShellCommandline(string $command, string $cwd = null,
         throw new LogicException(sprintf('The "%s()" method cannot be called when using "%s".', __METHOD__, self::class));
     }
 
+    /**
+     * @return void
+     */
     public function start(callable $callback = null, array $env = [])
     {
         if (null === $this->getCommandLine()) {

Pipes/AbstractPipes.php

@@ -41,7 +41,7 @@ public function __construct(mixed $input)
         }
     }
 
-    public function close()
+    public function close(): void
     {
         foreach ($this->pipes as $pipe) {
             if (\is_resource($pipe)) {
@@ -66,7 +66,7 @@ protected function hasSystemCallBeenInterrupted(): bool
     /**
      * Unblocks streams.
      */
-    protected function unblock()
+    protected function unblock(): void
     {
         if (!$this->blocked) {
             return;
@@ -170,7 +170,7 @@ protected function write(): ?array
     /**
      * @internal
      */
-    public function handleError(int $type, string $msg)
+    public function handleError(int $type, string $msg): void
     {
         $this->lastError = $msg;
     }

Pipes/PipesInterface.php

@@ -57,5 +57,5 @@ public function haveReadSupport(): bool;
     /**
      * Closes file handles and pipes.
      */
-    public function close();
+    public function close(): void;
 }

Pipes/WindowsPipes.php

@@ -172,7 +172,7 @@ public function areOpen(): bool
         return $this->pipes && $this->fileHandles;
     }
 
-    public function close()
+    public function close(): void
     {
         parent::close();
         foreach ($this->fileHandles as $type => $handle) {