[1.x] Fix PHP 8.1 deprecations

.github/workflows/test.yaml

@@ -54,3 +54,15 @@ jobs:
               run: |
                   composer update --prefer-dist --no-interaction --no-ansi --no-progress
                   php vendor/bin/phpunit
+
+    tests-php-8-1:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@master
+            - uses: shivammathur/setup-php@v2
+              with:
+                  php-version: '8.1'
+            - name: PHPUnit
+              run: |
+                  composer update --prefer-dist --no-interaction --no-ansi --no-progress
+                  php vendor/bin/phpunit

src/Manipulators/Brightness.php

@@ -5,7 +5,7 @@
 use Intervention\Image\Image;
 
 /**
- * @property string $bri
+ * @property string|null $bri
  */
 class Brightness extends BaseManipulator
 {
@@ -34,7 +34,7 @@ public function run(Image $image)
      */
     public function getBrightness()
     {
-        if (!preg_match('/^-*[0-9]+$/', $this->bri)) {
+        if (null === $this->bri || !preg_match('/^-*[0-9]+$/', $this->bri)) {
             return;
         }
 

src/Manipulators/Contrast.php

@@ -5,7 +5,7 @@
 use Intervention\Image\Image;
 
 /**
- * @property string $con
+ * @property string|null $con
  */
 class Contrast extends BaseManipulator
 {
@@ -34,7 +34,7 @@ public function run(Image $image)
      */
     public function getContrast()
     {
-        if (!preg_match('/^-*[0-9]+$/', $this->con)) {
+        if (null === $this->con || !preg_match('/^-*[0-9]+$/', $this->con)) {
             return;
         }
 

src/Manipulators/Crop.php

@@ -43,6 +43,10 @@ public function run(Image $image)
      */
     public function getCoordinates(Image $image)
     {
+        if (null === $this->crop) {
+            return;
+        }
+
         $coordinates = explode(',', $this->crop);
 
         if (4 !== count($coordinates) or

src/Manipulators/Gamma.php

@@ -5,7 +5,7 @@
 use Intervention\Image\Image;
 
 /**
- * @property string $gam
+ * @property string|null $gam
  */
 class Gamma extends BaseManipulator
 {
@@ -34,7 +34,7 @@ public function run(Image $image)
      */
     public function getGamma()
     {
-        if (!preg_match('/^[0-9]\.*[0-9]*$/', $this->gam)) {
+        if (null === $this->gam || !preg_match('/^[0-9]\.*[0-9]*$/', $this->gam)) {
             return;
         }
 

src/Manipulators/Size.php

@@ -5,10 +5,10 @@
 use Intervention\Image\Image;
 
 /**
- * @property string $dpr
- * @property string $fit
- * @property string $h
- * @property string $w
+ * @property string      $dpr
+ * @property string|null $fit
+ * @property string      $h
+ * @property string      $w
  */
 class Size extends BaseManipulator
 {
@@ -117,6 +117,10 @@ public function getHeight()
      */
     public function getFit()
     {
+        if (null === $this->fit) {
+            return 'contain';
+        }
+
         if (in_array($this->fit, ['contain', 'fill', 'max', 'stretch'], true)) {
             return $this->fit;
         }
@@ -408,6 +412,10 @@ public function resolveCropOffset(Image $image, $width, $height)
      */
     public function getCrop()
     {
+        if (null === $this->fit) {
+            return [50, 50, 1.0];
+        }
+
         $cropMethods = [
             'crop-top-left' => [0, 0, 1.0],
             'crop-top' => [50, 0, 1.0],

src/Server.php

@@ -138,7 +138,7 @@ public function getSource()
      */
     public function setSourcePathPrefix($sourcePathPrefix)
     {
-        $this->sourcePathPrefix = trim($sourcePathPrefix, '/');
+        $this->sourcePathPrefix = trim((string) $sourcePathPrefix, '/');
     }
 
     /**
@@ -200,7 +200,7 @@ public function sourceFileExists($path)
      */
     public function setBaseUrl($baseUrl)
     {
-        $this->baseUrl = trim($baseUrl, '/');
+        $this->baseUrl = trim((string) $baseUrl, '/');
     }
 
     /**
@@ -240,7 +240,7 @@ public function getCache()
      */
     public function setCachePathPrefix($cachePathPrefix)
     {
-        $this->cachePathPrefix = trim($cachePathPrefix, '/');
+        $this->cachePathPrefix = trim((string) $cachePathPrefix, '/');
     }
 
     /**

src/ServerFactory.php

@@ -57,13 +57,13 @@ public function getServer()
             $this->getApi()
         );
 
-        $server->setSourcePathPrefix($this->getSourcePathPrefix());
-        $server->setCachePathPrefix($this->getCachePathPrefix());
+        $server->setSourcePathPrefix($this->getSourcePathPrefix() ?: '');
+        $server->setCachePathPrefix($this->getCachePathPrefix() ?: '');
         $server->setGroupCacheInFolders($this->getGroupCacheInFolders());
         $server->setCacheWithFileExtensions($this->getCacheWithFileExtensions());
         $server->setDefaults($this->getDefaults());
         $server->setPresets($this->getPresets());
-        $server->setBaseUrl($this->getBaseUrl());
+        $server->setBaseUrl($this->getBaseUrl() ?: '');
         $server->setResponseFactory($this->getResponseFactory());
 
         if ($this->getTempDir()) {
@@ -259,7 +259,7 @@ public function getManipulators()
             new Flip(),
             new Blur(),
             new Pixelate(),
-            new Watermark($this->getWatermarks(), $this->getWatermarksPathPrefix()),
+            new Watermark($this->getWatermarks(), $this->getWatermarksPathPrefix() ?: ''),
             new Background(),
             new Border(),
             new Encode(),