diff --git a/core/imageboard/tag.php b/core/imageboard/tag.php
index 6d4b5d60..096a3adc 100644
--- a/core/imageboard/tag.php
+++ b/core/imageboard/tag.php
@@ -132,7 +132,7 @@ class Tag
     /**
      * Turn a human-supplied string into a valid tag array.
      *
-     * #return string[]
+     * @return string[]
      */
     public static function explode(string $tags, bool $tagme = true): array
     {
diff --git a/core/polyfills.php b/core/polyfills.php
index 7e086e25..9370bea0 100644
--- a/core/polyfills.php
+++ b/core/polyfills.php
@@ -175,7 +175,7 @@ function stream_file(string $file, int $start, int $end): void
 # http://www.php.net/manual/en/function.http-parse-headers.php#112917
 if (!function_exists('http_parse_headers')) {
     /**
-     * #return string[]
+     * @return string[]
      */
     function http_parse_headers(string $raw_headers): array
     {
diff --git a/ext/comment/main.php b/ext/comment/main.php
index 6bf5f686..83f95c9c 100644
--- a/ext/comment/main.php
+++ b/ext/comment/main.php
@@ -448,7 +448,7 @@ class CommentList extends Extension
     }
 
     /**
-     * #return Comment[]
+     * @return Comment[]
      */
     private static function get_generic_comments(string $query, array $args): array
     {
@@ -462,7 +462,7 @@ class CommentList extends Extension
     }
 
     /**
-     * #return Comment[]
+     * @return Comment[]
      */
     private static function get_recent_comments(int $count): array
     {
@@ -480,7 +480,7 @@ class CommentList extends Extension
     }
 
     /**
-     * #return Comment[]
+     * @return Comment[]
      */
     private static function get_user_comments(int $user_id, int $count, int $offset = 0): array
     {
@@ -500,7 +500,7 @@ class CommentList extends Extension
 
     /**
      * public just for Image::get_comments()
-     * #return Comment[]
+     * @return Comment[]
      */
     public static function get_comments(int $image_id): array
     {
diff --git a/ext/danbooru_api/main.php b/ext/danbooru_api/main.php
index 1104f04f..2fdfd4e3 100644
--- a/ext/danbooru_api/main.php
+++ b/ext/danbooru_api/main.php
@@ -161,7 +161,7 @@ class DanbooruApi extends Extension
      * - page: page number
      * - after_id: limit results to posts added after this id
      *
-     * #return string
+     * @return string
      */
     private function api_find_posts(): HTMLElement
     {
diff --git a/ext/favorites/main.php b/ext/favorites/main.php
index 75e3584a..c66a731a 100644
--- a/ext/favorites/main.php
+++ b/ext/favorites/main.php
@@ -256,7 +256,7 @@ class Favorites extends Extension
     }
 
     /**
-     * #return string[]
+     * @return string[]
      */
     private function list_persons_who_have_favorited(Image $image): array
     {
diff --git a/ext/pools/main.php b/ext/pools/main.php
index e9f38cc6..5ad392aa 100644
--- a/ext/pools/main.php
+++ b/ext/pools/main.php
@@ -709,7 +709,7 @@ class Pools extends Extension
 
     /**
      * Get all of the pool IDs that an image is in, given an image ID.
-     * #return int[]
+     * @return int[]
      */
     private function get_pool_ids(int $imageID): array
     {
@@ -759,7 +759,7 @@ class Pools extends Extension
     /**
      * Gets the previous and next successive images from a pool, given a pool ID and an image ID.
      *
-     * #return int[] Array returning two elements (prev, next) in 1 dimension. Each returns ImageID or NULL if none.
+     * @return int[] Array returning two elements (prev, next) in 1 dimension. Each returns ImageID or NULL if none.
      */
     private function get_nav_posts(Pool $pool, int $imageID): ?array
     {
diff --git a/ext/report_image/main.php b/ext/report_image/main.php
index 4a348a7f..9a65758a 100644
--- a/ext/report_image/main.php
+++ b/ext/report_image/main.php
@@ -192,7 +192,7 @@ class ReportImage extends Extension
     }
 
     /**
-     * #return ImageReport[]
+     * @return ImageReport[]
      */
     public function get_reports(Image $image): array
     {
diff --git a/ext/resize/main.php b/ext/resize/main.php
index 40325d45..0ef4eb11 100644
--- a/ext/resize/main.php
+++ b/ext/resize/main.php
@@ -285,7 +285,7 @@ class ResizeImage extends Extension
     }
 
     /**
-     * #return int[]
+     * @return int[]
      */
     private function calc_new_size(Image $image_obj, int $width, int $height): array
     {
diff --git a/ext/word_filter/main.php b/ext/word_filter/main.php
index fd753390..c5a7a7f7 100644
--- a/ext/word_filter/main.php
+++ b/ext/word_filter/main.php
@@ -42,7 +42,7 @@ class WordFilter extends Extension
     }
 
     /**
-     * #return string[]
+     * @return string[]
      */
     private function get_map(): array
     {