Move file pointer creation to trait

src/Drivers/Abstract/Decoders/AbstractDecoder.php

@@ -7,11 +7,14 @@ use Intervention\Image\Exceptions\DecoderException;
 use Intervention\Image\Interfaces\ColorInterface;
 use Intervention\Image\Interfaces\DecoderInterface;
 use Intervention\Image\Interfaces\ImageInterface;
+use Intervention\Image\Traits\CanBuildFilePointer;
 use Intervention\MimeSniffer\MimeSniffer;
 use Intervention\MimeSniffer\AbstractType;
 
 abstract class AbstractDecoder implements DecoderInterface
 {
+    use CanBuildFilePointer;
+
     public function __construct(protected ?AbstractDecoder $successor = null)
     {
         //
@@ -49,9 +52,7 @@ abstract class AbstractDecoder implements DecoderInterface
         }
 
         try {
-            $pointer = fopen('php://temp', 'rw');
+            $pointer = $this->buildFilePointer($image_data);
-            fputs($pointer, $image_data);
-            rewind($pointer);
             $data = @exif_read_data($pointer, null, true);
             fclose($pointer);
         } catch (Exception $e) {

src/GenericData.php

@@ -4,9 +4,12 @@ namespace Intervention\Image;
 
 use Intervention\Image\Exceptions\NotWritableException;
 use Intervention\Image\Interfaces\GenericDataInterface;
+use Intervention\Image\Traits\CanBuildFilePointer;
 
 class GenericData implements GenericDataInterface
 {
+    use CanBuildFilePointer;
+
     /**
      * Create new instance
      *
@@ -50,11 +53,7 @@ class GenericData implements GenericDataInterface
      */
     public function toFilePointer()
     {
-        $pointer = fopen('php://temp', 'rw');
+        return $this->buildFilePointer($this->toString());
-        fputs($pointer, $this->toString());
-        rewind($pointer);
-
-        return $pointer;
     }
 
     /**

src/Traits/CanBuildFilePointer.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Intervention\Image\Traits;
+
+trait CanBuildFilePointer
+{
+    public function buildFilePointer(string $data)
+    {
+        $pointer = fopen('php://temp', 'rw');
+        fputs($pointer, $data);
+        rewind($pointer);
+
+        return $pointer;
+    }
+}