GD imagedestroy() is deprected and noop since PHP version 8.0

Zotlabs/Photo/PhotoGd.php

@@ -63,10 +63,13 @@ class PhotoGd extends PhotoDriver {
 		return;
 	}
 
+	/**
+	 * @brief GD imagedestroy() is deprected and noop since PHP version 8.0
+	 *
+	 * @return void
+	 */
 	protected function destroy() {
-		if($this->is_valid()) {
-			imagedestroy($this->image);
-		}
+		return;
 	}
 
 	/**
@@ -95,8 +98,6 @@ class PhotoGd extends PhotoDriver {
 			imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
 
 		imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height);
-		if($this->image)
-			imagedestroy($this->image);
 
 		$this->image = $dest;
 		$this->setDimensions();
@@ -142,8 +143,6 @@ class PhotoGd extends PhotoDriver {
 			imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
 
 		imagecopyresampled($dest, $this->image, 0, 0, $x, $y, $maxx, $maxy, $w, $h);
-		if($this->image)
-			imagedestroy($this->image);
 
 		$this->image = $dest;
 		$this->setDimensions();

Zotlabs/Thumbs/Epubthumb.php

@@ -54,9 +54,6 @@ class Epubthumb {
 			imagecopyresampled($dest, $image, 0, 0, 0, 0, $width, $height, $srcwidth, $srcheight);
 
 			imagejpeg($dest, "{$file}.thumb");
-
-			imagedestroy($image);
-			imagedestroy($dest);
 		}
 	}
 

Zotlabs/Thumbs/Mp3audio.php

@@ -36,7 +36,6 @@ class Mp3audio {
         	imagealphablending($dest, false);
 			imagesavealpha($dest, true);
         	imagecopyresampled($dest, $image, 0, 0, 0, 0, $width, $height, $srcwidth, $srcheight);
-            imagedestroy($image);
 			imagejpeg($dest,dbunescbin($attach['content']) . '.thumb');
 		}
 	}

tests/unit/includes/PhotodriverTest.php

@@ -29,13 +29,11 @@ class PhotodriverTest extends UnitTestCase {
 			case 'png':
 				$im = imagecreatetruecolor(10, 10);
 				imagepng($im, $tmp);
-				imagedestroy($im);
 				break;
 			case 'jpeg':
 			default:
 				$im = imagecreatetruecolor(10, 10);
 				imagejpeg($im, $tmp);
-				imagedestroy($im);
 				break;
 		}
 		return $tmp;