diff --git a/src/Configurator/ComposerScriptsConfigurator.php b/src/Configurator/ComposerScriptsConfigurator.php
index 705966448..16c81e65c 100644
--- a/src/Configurator/ComposerScriptsConfigurator.php
+++ b/src/Configurator/ComposerScriptsConfigurator.php
@@ -26,7 +26,7 @@ public function configure(Recipe $recipe, $scripts)
         $json = new JsonFile(Factory::getComposerFile());
 
         $jsonContents = $json->read();
-        $autoScripts = isset($jsonContents['scripts']['auto-scripts']) ? $jsonContents['scripts']['auto-scripts'] : [];
+        $autoScripts = $jsonContents['scripts']['auto-scripts'] ?? [];
         $autoScripts = array_merge($autoScripts, $scripts);
 
         $manipulator = new JsonManipulator(file_get_contents($json->getPath()));
@@ -40,7 +40,7 @@ public function unconfigure(Recipe $recipe, $scripts)
         $json = new JsonFile(Factory::getComposerFile());
 
         $jsonContents = $json->read();
-        $autoScripts = isset($jsonContents['scripts']['auto-scripts']) ? $jsonContents['scripts']['auto-scripts'] : [];
+        $autoScripts = $jsonContents['scripts']['auto-scripts'] ?? [];
         foreach (array_keys($scripts) as $cmd) {
             unset($autoScripts[$cmd]);
         }
diff --git a/src/Downloader.php b/src/Downloader.php
index 7e6d19020..f2c1612b2 100644
--- a/src/Downloader.php
+++ b/src/Downloader.php
@@ -42,7 +42,7 @@ public function __construct(Composer $composer, IoInterface $io)
         $this->cache = new Cache($io, $config->get('cache-repo-dir').'/'.preg_replace('{[^a-z0-9.]}i', '-', self::ENDPOINT));
         $this->sess = bin2hex(random_bytes(16));
         $extra = $this->composer->getPackage()->getExtra();
-        if (isset($extra['flex-id']) && $extra['flex-id']) {
+        if ($extra['flex-id'] ?? false) {
             $this->options['http'] = [
                 'header' => ['Flex-ID: '.$extra['flex-id']],
             ];
diff --git a/src/Options.php b/src/Options.php
index be221f0a0..9e6c51dde 100644
--- a/src/Options.php
+++ b/src/Options.php
@@ -25,7 +25,7 @@ public function __construct(array $options = [])
 
     public function get($name)
     {
-        return isset($this->options[$name]) ? $this->options[$name] : null;
+        return $this->options[$name] ?? null;
     }
 
     public function expandTargetDir($target)
diff --git a/src/PackageResolver.php b/src/PackageResolver.php
index dc07ef40b..1dde9c15f 100644
--- a/src/PackageResolver.php
+++ b/src/PackageResolver.php
@@ -61,7 +61,7 @@ public function resolve(array $arguments = [])
         // third pass to resolve versions
         $requires= [];
         foreach ((new VersionParser())->parseNameVersionPairs($packages) as $package) {
-            $requires[] = $package['name'].$this->parseVersion($package['name'], isset($package['version']) ? $package['version'] : null);
+            $requires[] = $package['name'].$this->parseVersion($package['name'], $package['version'] ?? null);
         }
 
         return array_unique($requires);
diff --git a/src/Recipe.php b/src/Recipe.php
index 1235996e0..741e171bd 100644
--- a/src/Recipe.php
+++ b/src/Recipe.php
@@ -53,10 +53,6 @@ public function getManifest()
 
     public function getFiles()
     {
-        if (!isset($this->data['files'])) {
-            return [];
-        }
-
-        return $this->data['files'];
+        return $this->data['files'] ?? [];
     }
 }