[core] config->save() is implicit in set_XXX(), no need to call it from outside of there

core/config.php

@@ -11,13 +11,6 @@ namespace Shimmie2;
  */
 interface Config
 {
-    /**
-     * Save the list of name:value pairs to wherever they came from,
-     * so that the next time a page is loaded it will use the new
-     * configuration.
-     */
-    public function save(string $name = null): void;
-
     //@{ /*--------------------------------- SET ------------------------------------------------------*/
     /**
      * Set a configuration option to a new value, regardless of what the value is at the moment.
@@ -144,6 +137,13 @@ abstract class BaseConfig implements Config
     /** @var array<string, mixed> */
     public array $values = [];
 
+    /**
+     * Save the list of name:value pairs to wherever they came from,
+     * so that the next time a page is loaded it will use the new
+     * configuration.
+     */
+    abstract protected function save(string $name): void;
+
     public function set_int(string $name, ?int $value): void
     {
         $this->values[$name] = is_null($value) ? null : $value;
@@ -341,16 +341,10 @@ class DatabaseConfig extends BaseConfig
         return $values;
     }
 
-    public function save(string $name = null): void
+    protected function save(string $name): void
     {
         global $cache;
 
-        if (is_null($name)) {
-            reset($this->values); // rewind the array to the first element
-            foreach ($this->values as $name => $value) {
-                $this->save($name);
-            }
-        } else {
         $query = "DELETE FROM {$this->table_name} WHERE name = :name";
         $args = ["name" => $name];
         $cols = ["name","value"];
@@ -369,7 +363,7 @@ class DatabaseConfig extends BaseConfig
             "INSERT INTO {$this->table_name} (".join(",", $cols).") VALUES (".join(",", $params).")",
             $args
         );
-        }
+
         // rather than deleting and having some other request(s) do a thundering
         // herd of race-conditioned updates, just save the updated version once here
         $cache->set($this->cache_name, $this->values);

ext/featured/main.php

@@ -73,7 +73,6 @@ class Featured extends Extension
         global $config;
         if ($event->image->id == $config->get_int("featured_id")) {
             $config->set_int("featured_id", 0);
-            $config->save();
         }
     }
 

ext/setup/main.php

@@ -406,7 +406,6 @@ class Setup extends Extension
                 }
             }
         }
-        $config->save();
         log_warning("setup", "Configuration updated");
     }