diff --git a/include/api.php b/include/api.php
index 3bed2aa62c..d5eb9c5418 100644
--- a/include/api.php
+++ b/include/api.php
@@ -4788,19 +4788,19 @@ function save_media_to_database($mediatype, $media, $type, $album, $allow_cid, $
 	$height = $Image->getHeight();
 
 	// create a new resource-id if not already provided
-	$hash = ($photo_id == null) ? Photo::newResource() : $photo_id;
+	$resource_id = ($photo_id == null) ? Photo::newResource() : $photo_id;
 
 	if ($mediatype == "photo") {
 		// upload normal image (scales 0, 1, 2)
 		Logger::log("photo upload: starting new photo upload", Logger::DEBUG);
 
-		$r = Photo::store($Image, local_user(), $visitor, $hash, $filename, $album, 0, 0, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
+		$r = Photo::store($Image, local_user(), $visitor, $resource_id, $filename, $album, 0, 0, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
 		if (!$r) {
 			Logger::log("photo upload: image upload with scale 0 (original size) failed");
 		}
 		if ($width > 640 || $height > 640) {
 			$Image->scaleDown(640);
-			$r = Photo::store($Image, local_user(), $visitor, $hash, $filename, $album, 1, 0, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
+			$r = Photo::store($Image, local_user(), $visitor, $resource_id, $filename, $album, 1, 0, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
 			if (!$r) {
 				Logger::log("photo upload: image upload with scale 1 (640x640) failed");
 			}
@@ -4808,7 +4808,7 @@ function save_media_to_database($mediatype, $media, $type, $album, $allow_cid, $
 
 		if ($width > 320 || $height > 320) {
 			$Image->scaleDown(320);
-			$r = Photo::store($Image, local_user(), $visitor, $hash, $filename, $album, 2, 0, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
+			$r = Photo::store($Image, local_user(), $visitor, $resource_id, $filename, $album, 2, 0, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
 			if (!$r) {
 				Logger::log("photo upload: image upload with scale 2 (320x320) failed");
 			}
@@ -4820,7 +4820,7 @@ function save_media_to_database($mediatype, $media, $type, $album, $allow_cid, $
 
 		if ($width > 300 || $height > 300) {
 			$Image->scaleDown(300);
-			$r = Photo::store($Image, local_user(), $visitor, $hash, $filename, $album, 4, $profile, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
+			$r = Photo::store($Image, local_user(), $visitor, $resource_id, $filename, $album, 4, $profile, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
 			if (!$r) {
 				Logger::log("photo upload: profile image upload with scale 4 (300x300) failed");
 			}
@@ -4828,7 +4828,7 @@ function save_media_to_database($mediatype, $media, $type, $album, $allow_cid, $
 
 		if ($width > 80 || $height > 80) {
 			$Image->scaleDown(80);
-			$r = Photo::store($Image, local_user(), $visitor, $hash, $filename, $album, 5, $profile, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
+			$r = Photo::store($Image, local_user(), $visitor, $resource_id, $filename, $album, 5, $profile, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
 			if (!$r) {
 				Logger::log("photo upload: profile image upload with scale 5 (80x80) failed");
 			}
@@ -4836,7 +4836,7 @@ function save_media_to_database($mediatype, $media, $type, $album, $allow_cid, $
 
 		if ($width > 48 || $height > 48) {
 			$Image->scaleDown(48);
-			$r = Photo::store($Image, local_user(), $visitor, $hash, $filename, $album, 6, $profile, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
+			$r = Photo::store($Image, local_user(), $visitor, $resource_id, $filename, $album, 6, $profile, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
 			if (!$r) {
 				Logger::log("photo upload: profile image upload with scale 6 (48x48) failed");
 			}
@@ -4848,10 +4848,10 @@ function save_media_to_database($mediatype, $media, $type, $album, $allow_cid, $
 	if (isset($r) && $r) {
 		// create entry in 'item'-table on new uploads to enable users to comment/like/dislike the photo
 		if ($photo_id == null && $mediatype == "photo") {
-			post_photo_item($hash, $allow_cid, $deny_cid, $allow_gid, $deny_gid, $filetype, $visibility);
+			post_photo_item($resource_id, $allow_cid, $deny_cid, $allow_gid, $deny_gid, $filetype, $visibility);
 		}
 		// on success return image data in json/xml format (like /api/friendica/photo does when no scale is given)
-		return prepare_photo_data($type, false, $hash);
+		return prepare_photo_data($type, false, $resource_id);
 	} else {
 		throw new InternalServerErrorException("image upload failed");
 	}
diff --git a/mod/photos.php b/mod/photos.php
index f6b03aa3cb..e0630e7dc9 100644
--- a/mod/photos.php
+++ b/mod/photos.php
@@ -749,9 +749,9 @@ function photos_post(App $a)
 
 	$smallest = 0;
 
-	$photo_hash = Photo::newResource();
+	$resource_id = Photo::newResource();
 
-	$r = Photo::store($image, $page_owner_uid, $visitor, $photo_hash, $filename, $album, 0 , 0, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny);
+	$r = Photo::store($image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 0 , 0, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny);
 
 	if (!$r) {
 		Logger::log('mod/photos.php: photos_post(): image store failed', Logger::DEBUG);
@@ -761,13 +761,13 @@ function photos_post(App $a)
 
 	if ($width > 640 || $height > 640) {
 		$image->scaleDown(640);
-		Photo::store($image, $page_owner_uid, $visitor, $photo_hash, $filename, $album, 1, 0, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny);
+		Photo::store($image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 1, 0, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny);
 		$smallest = 1;
 	}
 
 	if ($width > 320 || $height > 320) {
 		$image->scaleDown(320);
-		Photo::store($image, $page_owner_uid, $visitor, $photo_hash, $filename, $album, 2, 0, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny);
+		Photo::store($image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 2, 0, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny);
 		$smallest = 2;
 	}
 
@@ -791,7 +791,7 @@ function photos_post(App $a)
 	$arr['parent-uri']    = $uri;
 	$arr['type']          = 'photo';
 	$arr['wall']          = 1;
-	$arr['resource-id']   = $photo_hash;
+	$arr['resource-id']   = $resource_id;
 	$arr['contact-id']    = $owner_record['id'];
 	$arr['owner-name']    = $owner_record['name'];
 	$arr['owner-link']    = $owner_record['url'];
@@ -807,8 +807,8 @@ function photos_post(App $a)
 	$arr['visible']       = $visible;
 	$arr['origin']        = 1;
 
-	$arr['body']          = '[url=' . System::baseUrl() . '/photos/' . $owner_record['nickname'] . '/image/' . $photo_hash . ']'
-				. '[img]' . System::baseUrl() . "/photo/{$photo_hash}-{$smallest}.".$image->getExt() . '[/img]'
+	$arr['body']          = '[url=' . System::baseUrl() . '/photos/' . $owner_record['nickname'] . '/image/' . $resource_id . ']'
+				. '[img]' . System::baseUrl() . "/photo/{$resource_id}-{$smallest}.".$image->getExt() . '[/img]'
 				. '[/url]';
 
 	$item_id = Item::insert($arr);
diff --git a/mod/wall_upload.php b/mod/wall_upload.php
index 871b9ff141..31112367a9 100644
--- a/mod/wall_upload.php
+++ b/mod/wall_upload.php
@@ -222,7 +222,7 @@ function wall_upload_post(App $a, $desktopmode = true)
 	$width = $Image->getWidth();
 	$height = $Image->getHeight();
 
-	$hash = Photo::newResource();
+	$resource_id = Photo::newResource();
 
 	$smallest = 0;
 
@@ -233,7 +233,7 @@ function wall_upload_post(App $a, $desktopmode = true)
 
 	$defperm = '<' . $default_cid . '>';
 
-	$r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $filename, $album, 0, 0, $defperm);
+	$r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 0, 0, $defperm);
 
 	if (!$r) {
 		$msg = L10n::t('Image upload failed.');
@@ -247,7 +247,7 @@ function wall_upload_post(App $a, $desktopmode = true)
 
 	if ($width > 640 || $height > 640) {
 		$Image->scaleDown(640);
-		$r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $filename, $album, 1, 0, $defperm);
+		$r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 1, 0, $defperm);
 		if ($r) {
 			$smallest = 1;
 		}
@@ -255,7 +255,7 @@ function wall_upload_post(App $a, $desktopmode = true)
 
 	if ($width > 320 || $height > 320) {
 		$Image->scaleDown(320);
-		$r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $filename, $album, 2, 0, $defperm);
+		$r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 2, 0, $defperm);
 		if ($r && ($smallest == 0)) {
 			$smallest = 2;
 		}
@@ -265,7 +265,7 @@ function wall_upload_post(App $a, $desktopmode = true)
 		$r = q("SELECT `id`, `datasize`, `width`, `height`, `type` FROM `photo`
 			WHERE `resource-id` = '%s'
 			ORDER BY `width` DESC LIMIT 1",
-			$hash
+			$resource_id
 		);
 		if (!$r) {
 			if ($r_json) {
@@ -281,9 +281,9 @@ function wall_upload_post(App $a, $desktopmode = true)
 		$picture["width"]     = $r[0]["width"];
 		$picture["height"]    = $r[0]["height"];
 		$picture["type"]      = $r[0]["type"];
-		$picture["albumpage"] = System::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $hash;
-		$picture["picture"]   = System::baseUrl() . "/photo/{$hash}-0." . $Image->getExt();
-		$picture["preview"]   = System::baseUrl() . "/photo/{$hash}-{$smallest}." . $Image->getExt();
+		$picture["albumpage"] = System::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $resource_id;
+		$picture["picture"]   = System::baseUrl() . "/photo/{$resource_id}-0." . $Image->getExt();
+		$picture["preview"]   = System::baseUrl() . "/photo/{$resource_id}-{$smallest}." . $Image->getExt();
 
 		if ($r_json) {
 			echo json_encode(['picture' => $picture]);
@@ -300,7 +300,7 @@ function wall_upload_post(App $a, $desktopmode = true)
 		exit();
 	}
 
-	echo  "\n\n" . '[url=' . System::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $hash . '][img]' . System::baseUrl() . "/photo/{$hash}-{$smallest}.".$Image->getExt()."[/img][/url]\n\n";
+	echo  "\n\n" . '[url=' . System::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $resource_id . '][img]' . System::baseUrl() . "/photo/{$resource_id}-{$smallest}.".$Image->getExt()."[/img][/url]\n\n";
 	exit();
 	// NOTREACHED
 }
diff --git a/src/Model/Photo.php b/src/Model/Photo.php
index 5de7358f75..10e80a4fb5 100644
--- a/src/Model/Photo.php
+++ b/src/Model/Photo.php
@@ -404,9 +404,9 @@ class Photo extends BaseObject
 			"photo", ["resource-id"], ["uid" => $uid, "contact-id" => $cid, "scale" => 4, "album" => "Contact Photos"]
 		);
 		if (!empty($photo['resource-id'])) {
-			$hash = $photo["resource-id"];
+			$resource_id = $photo["resource-id"];
 		} else {
-			$hash = self::newResource();
+			$resource_id = self::newResource();
 		}
 
 		$photo_failure = false;
@@ -432,7 +432,7 @@ class Photo extends BaseObject
 		if ($Image->isValid()) {
 			$Image->scaleToSquare(300);
 
-			$r = self::store($Image, $uid, $cid, $hash, $filename, "Contact Photos", 4);
+			$r = self::store($Image, $uid, $cid, $resource_id, $filename, "Contact Photos", 4);
 
 			if ($r === false) {
 				$photo_failure = true;
@@ -440,7 +440,7 @@ class Photo extends BaseObject
 
 			$Image->scaleDown(80);
 
-			$r = self::store($Image, $uid, $cid, $hash, $filename, "Contact Photos", 5);
+			$r = self::store($Image, $uid, $cid, $resource_id, $filename, "Contact Photos", 5);
 
 			if ($r === false) {
 				$photo_failure = true;
@@ -448,7 +448,7 @@ class Photo extends BaseObject
 
 			$Image->scaleDown(48);
 
-			$r = self::store($Image, $uid, $cid, $hash, $filename, "Contact Photos", 6);
+			$r = self::store($Image, $uid, $cid, $resource_id, $filename, "Contact Photos", 6);
 
 			if ($r === false) {
 				$photo_failure = true;
@@ -456,24 +456,24 @@ class Photo extends BaseObject
 
 			$suffix = "?ts=" . time();
 
-			$image_url = System::baseUrl() . "/photo/" . $hash . "-4." . $Image->getExt() . $suffix;
-			$thumb = System::baseUrl() . "/photo/" . $hash . "-5." . $Image->getExt() . $suffix;
-			$micro = System::baseUrl() . "/photo/" . $hash . "-6." . $Image->getExt() . $suffix;
+			$image_url = System::baseUrl() . "/photo/" . $resource_id . "-4." . $Image->getExt() . $suffix;
+			$thumb = System::baseUrl() . "/photo/" . $resource_id . "-5." . $Image->getExt() . $suffix;
+			$micro = System::baseUrl() . "/photo/" . $resource_id . "-6." . $Image->getExt() . $suffix;
 
 			// Remove the cached photo
 			$a = \get_app();
 			$basepath = $a->getBasePath();
 
 			if (is_dir($basepath . "/photo")) {
-				$filename = $basepath . "/photo/" . $hash . "-4." . $Image->getExt();
+				$filename = $basepath . "/photo/" . $resource_id . "-4." . $Image->getExt();
 				if (file_exists($filename)) {
 					unlink($filename);
 				}
-				$filename = $basepath . "/photo/" . $hash . "-5." . $Image->getExt();
+				$filename = $basepath . "/photo/" . $resource_id . "-5." . $Image->getExt();
 				if (file_exists($filename)) {
 					unlink($filename);
 				}
-				$filename = $basepath . "/photo/" . $hash . "-6." . $Image->getExt();
+				$filename = $basepath . "/photo/" . $resource_id . "-6." . $Image->getExt();
 				if (file_exists($filename)) {
 					unlink($filename);
 				}
diff --git a/src/Model/User.php b/src/Model/User.php
index fd12bdaaf2..7ecf4a576c 100644
--- a/src/Model/User.php
+++ b/src/Model/User.php
@@ -836,9 +836,9 @@ class User
 			if ($Image->isValid()) {
 				$Image->scaleToSquare(300);
 
-				$hash = Photo::newResource();
+				$resource_id = Photo::newResource();
 
-				$r = Photo::store($Image, $uid, 0, $hash, $filename, L10n::t('Profile Photos'), 4);
+				$r = Photo::store($Image, $uid, 0, $resource_id, $filename, L10n::t('Profile Photos'), 4);
 
 				if ($r === false) {
 					$photo_failure = true;
@@ -846,7 +846,7 @@ class User
 
 				$Image->scaleDown(80);
 
-				$r = Photo::store($Image, $uid, 0, $hash, $filename, L10n::t('Profile Photos'), 5);
+				$r = Photo::store($Image, $uid, 0, $resource_id, $filename, L10n::t('Profile Photos'), 5);
 
 				if ($r === false) {
 					$photo_failure = true;
@@ -854,14 +854,14 @@ class User
 
 				$Image->scaleDown(48);
 
-				$r = Photo::store($Image, $uid, 0, $hash, $filename, L10n::t('Profile Photos'), 6);
+				$r = Photo::store($Image, $uid, 0, $resource_id, $filename, L10n::t('Profile Photos'), 6);
 
 				if ($r === false) {
 					$photo_failure = true;
 				}
 
 				if (!$photo_failure) {
-					Photo::update(['profile' => 1], ['resource-id' => $hash]);
+					Photo::update(['profile' => 1], ['resource-id' => $resource_id]);
 				}
 			}
 		}