Define API params in order to be able to filter

src/Api/Api.php

@@ -11,6 +11,13 @@
 
 class Api implements ApiInterface
 {
+    public const GLOBAL_API_PARAMS = [
+        'p', // presets
+        'q', // quality
+        'fm', // format
+        's', // signature
+    ];
+
     /**
      * Intervention image manager.
      */
@@ -23,6 +30,13 @@ class Api implements ApiInterface
      */
     protected array $manipulators;
 
+    /**
+     * API parameters.
+     *
+     * @var list<string>
+     */
+    protected array $apiParams;
+
     /**
      * Create API instance.
      *
@@ -33,6 +47,7 @@ public function __construct(ImageManager $imageManager, array $manipulators)
     {
         $this->setImageManager($imageManager);
         $this->setManipulators($manipulators);
+        $this->setApiParams();
     }
 
     /**
@@ -116,4 +131,32 @@ public function encode(ImageInterface $image, array $params): string
 
         return $encoded->toString();
     }
+
+    /**
+     * Sets the API parameters for all manipulators.
+     *
+     * @return list<string>
+     */
+    public function setApiParams(): array
+    {
+        $params = [];
+
+        array_walk($this->manipulators, function (ManipulatorInterface $manipulator) use (&$params) {
+            foreach ($manipulator->getApiParams() as $param) {
+                $params[] = $param;
+            }
+        });
+
+        return $this->apiParams = array_values(array_unique(array_merge(self::GLOBAL_API_PARAMS, $params)));
+    }
+
+    /**
+     * Retun the list of API params.
+     *
+     * @return list<string>
+     */
+    public function getApiParams(): array
+    {
+        return $this->apiParams;
+    }
 }

src/Api/ApiInterface.php

@@ -15,4 +15,11 @@ interface ApiInterface
      * @return string Manipulated image binary data.
      */
     public function run(string $source, array $params): string;
+
+    /**
+     * Collection of API parameters.
+     *
+     * @return list<string>
+     */
+    public function getApiParams(): array;
 }

src/Manipulators/Background.php

@@ -10,6 +10,11 @@
 
 class Background extends BaseManipulator
 {
+    public function getApiParams(): array
+    {
+        return ['bg'];
+    }
+
     /**
      * Perform background image manipulation.
      *

src/Manipulators/BaseManipulator.php

@@ -37,6 +37,13 @@ public function getParam(string $name): mixed
             : null;
     }
 
+    /**
+     * Get the names of the manipulator API parameters.
+     *
+     * @rerun list<string>
+     */
+    abstract public function getApiParams(): array;
+
     /**
      * Perform the image manipulation.
      *

src/Manipulators/Blur.php

@@ -8,6 +8,11 @@
 
 class Blur extends BaseManipulator
 {
+    public function getApiParams(): array
+    {
+        return ['blur'];
+    }
+
     /**
      * Perform blur image manipulation.
      *

src/Manipulators/Border.php

@@ -11,6 +11,11 @@
 
 class Border extends BaseManipulator
 {
+    public function getApiParams(): array
+    {
+        return ['border'];
+    }
+
     /**
      * Perform border image manipulation.
      *
@@ -50,8 +55,8 @@ public function getBorder(ImageInterface $image): ?array
         $values = explode(',', $border);
 
         $width = $this->getWidth($image, $this->getDpr(), $values[0]);
-        $color = $this->getColor(isset($values[1]) ? $values[1] : 'ffffff');
-        $method = $this->getMethod(isset($values[2]) ? $values[2] : 'overlay');
+        $color = $this->getColor($values[1] ?? 'ffffff');
+        $method = $this->getMethod($values[2] ?? 'overlay');
 
         if (null !== $width) {
             return [$width, $color, $method];

src/Manipulators/Brightness.php

@@ -8,6 +8,11 @@
 
 class Brightness extends BaseManipulator
 {
+    public function getApiParams(): array
+    {
+        return ['bri'];
+    }
+
     /**
      * Perform brightness image manipulation.
      *

src/Manipulators/Contrast.php

@@ -8,6 +8,11 @@
 
 class Contrast extends BaseManipulator
 {
+    public function getApiParams(): array
+    {
+        return ['con'];
+    }
+
     /**
      * Perform contrast image manipulation.
      *

src/Manipulators/Crop.php

@@ -8,6 +8,11 @@
 
 class Crop extends BaseManipulator
 {
+    public function getApiParams(): array
+    {
+        return ['crop'];
+    }
+
     /**
      * Perform crop image manipulation.
      *

src/Manipulators/Filter.php

@@ -8,6 +8,11 @@
 
 class Filter extends BaseManipulator
 {
+    public function getApiParams(): array
+    {
+        return ['filt'];
+    }
+
     /**
      * Perform filter image manipulation.
      *

src/Manipulators/Flip.php

@@ -8,6 +8,11 @@
 
 class Flip extends BaseManipulator
 {
+    public function getApiParams(): array
+    {
+        return ['flip'];
+    }
+
     /**
      * Perform flip image manipulation.
      *

src/Manipulators/Gamma.php

@@ -8,6 +8,11 @@
 
 class Gamma extends BaseManipulator
 {
+    public function getApiParams(): array
+    {
+        return ['gam'];
+    }
+
     /**
      * Perform gamma image manipulation.
      *

src/Manipulators/ManipulatorInterface.php

@@ -22,6 +22,13 @@ public function setParams(array $params): static;
      */
     public function getParam(string $name): mixed;
 
+    /**
+     * Get the names of the manipulator API parameters.
+     *
+     * @rerun list<string>
+     */
+    public function getApiParams(): array;
+
     /**
      * Perform the image manipulation.
      *

src/Manipulators/Orientation.php

@@ -8,6 +8,11 @@
 
 class Orientation extends BaseManipulator
 {
+    public function getApiParams(): array
+    {
+        return ['or'];
+    }
+
     /**
      * Perform orientation image manipulation.
      *

src/Manipulators/Pixelate.php

@@ -8,6 +8,11 @@
 
 class Pixelate extends BaseManipulator
 {
+    public function getApiParams(): array
+    {
+        return ['pixel'];
+    }
+
     /**
      * Perform pixelate image manipulation.
      *

src/Manipulators/Sharpen.php

@@ -8,6 +8,11 @@
 
 class Sharpen extends BaseManipulator
 {
+    public function getApiParams(): array
+    {
+        return ['sharp'];
+    }
+
     /**
      * Perform sharpen image manipulation.
      *

src/Manipulators/Size.php

@@ -24,6 +24,11 @@ public function __construct(?int $maxImageSize = null)
         $this->maxImageSize = $maxImageSize;
     }
 
+    public function getApiParams(): array
+    {
+        return ['w', 'f', 'fit', 'dpr'];
+    }
+
     /**
      * Set the maximum image size.
      *
@@ -427,7 +432,7 @@ public function getCrop(): array
         }
 
         if (preg_match('/^crop-([\d]{1,3})-([\d]{1,3})(?:-([\d]{1,3}(?:\.\d+)?))*$/', $fit, $matches)) {
-            $matches[3] = isset($matches[3]) ? $matches[3] : 1;
+            $matches[3] = $matches[3] ?? 1;
 
             if ($matches[1] > 100 || $matches[2] > 100 || $matches[3] > 100) {
                 return [50, 50, 1.0];

src/Manipulators/Watermark.php

@@ -33,6 +33,11 @@ public function __construct(?FilesystemOperator $watermarks = null, string $wate
         $this->setWatermarksPathPrefix($watermarksPathPrefix);
     }
 
+    public function getApiParams(): array
+    {
+        return ['mark', 'markw', 'markh', 'markx', 'marky', 'markpad', 'markfit', 'markpos', 'markalpha', 'dpr'];
+    }
+
     /**
      * Set the watermarks file system.
      *

src/Server.php

@@ -366,8 +366,7 @@ public function getCachePath(string $path, array $params = []): string
         }
 
         if ($this->cacheWithFileExtensions) {
-            /** @psalm-suppress PossiblyUndefinedArrayOffset */
-            $ext = isset($params['fm']) ? $params['fm'] : pathinfo($path, PATHINFO_EXTENSION);
+            $ext = $params['fm'] ?? pathinfo($path, PATHINFO_EXTENSION);
             $ext = 'pjpg' === $ext ? 'jpg' : $ext;
             $cachedPath .= '.'.$ext;
         }
@@ -481,23 +480,23 @@ public function getPresets(): array
     /**
      * Get all image manipulations params, including defaults and presets.
      *
-     * @param array $params Image manipulation params.
+     * @param array<string, string|int> $params Image manipulation params.
      *
-     * @return array All image manipulation params.
+     * @return array<string, string|int> All image manipulation params.
      */
     public function getAllParams(array $params): array
     {
         $all = $this->defaults;
 
         if (isset($params['p'])) {
-            foreach (explode(',', $params['p']) as $preset) {
+            foreach (explode(',', (string) $params['p']) as $preset) {
                 if (isset($this->presets[$preset])) {
                     $all = array_merge($all, $this->presets[$preset]);
                 }
             }
         }
 
-        return array_merge($all, $params);
+        return array_filter(array_merge($all, $params), fn ($key) => in_array($key, $this->api->getApiParams(), true), ARRAY_FILTER_USE_KEY);
     }
 
     /**

tests/Api/ApiTest.php

@@ -60,6 +60,19 @@ public function testGetManipulators()
         $this->assertEquals([], $this->api->getManipulators());
     }
 
+    public function testGetApiParams(): void
+    {
+        $manipulator1 = \Mockery::mock(ManipulatorInterface::class, function ($mock) {
+            $mock->shouldReceive('getApiParams')->andReturn(['foo', 'bar']);
+        });
+        $manipulator2 = \Mockery::mock(ManipulatorInterface::class, function ($mock) {
+            $mock->shouldReceive('getApiParams')->andReturn(['foo', 'baz']);
+        });
+
+        $api = new Api(ImageManager::gd(), [$manipulator1, $manipulator2]);
+        $this->assertEquals(array_merge(Api::GLOBAL_API_PARAMS, ['foo', 'bar', 'baz']), $api->getApiParams());
+    }
+
     public function testRun()
     {
         $image = \Mockery::mock(ImageInterface::class, function ($mock) {
@@ -77,6 +90,7 @@ public function testRun()
         $manipulator = \Mockery::mock(ManipulatorInterface::class, function ($mock) use ($image) {
             $mock->shouldReceive('setParams')->with([]);
             $mock->shouldReceive('run')->andReturn($image);
+            $mock->shouldReceive('getApiParams')->andReturn(['p', 'q', 'fm', 's']);
         });
 
         $api = new Api($manager, [$manipulator]);