Phpstan level 6 in Composer/Plaform and Composer/Script (#10159) (#10170)

src/Composer/Platform/HhvmDetector.php

@@ -31,11 +31,17 @@ class HhvmDetector
         $this->processExecutor = $processExecutor;
     }
 
+    /**
+     * @return void
+     */
     public function reset()
     {
         self::$hhvmVersion = null;
     }
 
+    /**
+     * @return string|null
+     */
     public function getVersion()
     {
         if (null !== self::$hhvmVersion) {
@@ -44,7 +50,6 @@ class HhvmDetector
 
         self::$hhvmVersion = defined('HHVM_VERSION') ? HHVM_VERSION : null;
         if (self::$hhvmVersion === null && !Platform::isWindows()) {
-            self::$hhvmVersion = false;
             $this->executableFinder = $this->executableFinder ?: new ExecutableFinder();
             $hhvmPath = $this->executableFinder->find('hhvm');
             if ($hhvmPath !== null) {
@@ -60,6 +65,6 @@ class HhvmDetector
             }
         }
 
-        return self::$hhvmVersion;
+        return self::$hhvmVersion ?: null;
     }
 }

src/Composer/Platform/Runtime.php

@@ -17,6 +17,7 @@ class Runtime
     /**
      * @param string $constant
      * @param class-string $class
+     *
      * @return bool
      */
     public function hasConstant($constant, $class = null)
@@ -27,6 +28,7 @@ class Runtime
     /**
      * @param string $constant
      * @param class-string $class
+     *
      * @return mixed
      */
     public function getConstant($constant, $class = null)
@@ -36,6 +38,7 @@ class Runtime
 
     /**
      * @param string $fn
+     *
      * @return bool
      */
     public function hasFunction($fn)
@@ -45,7 +48,8 @@ class Runtime
 
     /**
      * @param callable $callable
-     * @param  array    $arguments
+     * @param mixed[] $arguments
+     *
      * @return mixed
      */
     public function invoke($callable, array $arguments = array())
@@ -55,6 +59,7 @@ class Runtime
 
     /**
      * @param class-string $class
+     *
      * @return bool
      */
     public function hasClass($class)
@@ -64,8 +69,10 @@ class Runtime
 
     /**
      * @param class-string $class
-     * @param  array        $arguments
+     * @param mixed[] $arguments
+     *
      * @return object
+     * @throws \ReflectionException
      */
     public function construct($class, array $arguments = array())
     {
@@ -86,6 +93,7 @@ class Runtime
 
     /**
      * @param string $extension
+     *
      * @return string
      */
     public function getExtensionVersion($extension)
@@ -95,7 +103,9 @@ class Runtime
 
     /**
      * @param string $extension
+     *
      * @return string
+     * @throws \ReflectionException
      */
     public function getExtensionInfo($extension)
     {

src/Composer/Platform/Version.php

@@ -92,6 +92,12 @@ class Version
         return self::convertVersionId($versionId, 100);
     }
 
+    /**
+     * @param int $versionId
+     * @param int $base
+     *
+     * @return string
+     */
     private static function convertVersionId($versionId, $base)
     {
         return sprintf(

src/Composer/Script/Event.php

@@ -51,8 +51,8 @@ class Event extends BaseEvent
      * @param Composer $composer The composer object
      * @param IOInterface $io The IOInterface object
      * @param bool $devMode Whether or not we are in dev mode
-     * @param array       $args     Arguments passed by the user
+     * @param array<string|int|float|bool|null> $args Arguments passed by the user
-     * @param array       $flags    Optional flags to pass data not as argument
+     * @param mixed[] $flags Optional flags to pass data not as argument
      */
     public function __construct($name, Composer $composer, IOInterface $io, $devMode = false, array $args = array(), array $flags = array())
     {