set config_loaded with uid

src/Core/Config/Adapter/PreloadPConfigAdapter.php

@@ -13,7 +13,10 @@ use Friendica\Database\DBA;
  */
 class PreloadPConfigAdapter extends AbstractDbaConfigAdapter implements IPConfigAdapter
 {
-	private $config_loaded = false;
+	/**
+	 * @var array true if config for user is loaded
+	 */
+	private $config_loaded;
 
 	/**
 	 * @param int $uid The UID of the current user
@@ -25,6 +28,8 @@ class PreloadPConfigAdapter extends AbstractDbaConfigAdapter implements IPConfig
 		if (isset($uid)) {
 			$this->load($uid, 'config');
 		}
+
+		$this->config_loaded = [];
 	}
 
 	/**
@@ -34,11 +39,11 @@ class PreloadPConfigAdapter extends AbstractDbaConfigAdapter implements IPConfig
 	{
 		$return = [];
 
-		if ($this->config_loaded) {
+		if (empty($uid)) {
 			return $return;
 		}
 
-		if (empty($uid)) {
+		if ($this->isLoaded($uid, $cat, null)) {
 			return $return;
 		}
 
@@ -53,7 +58,7 @@ class PreloadPConfigAdapter extends AbstractDbaConfigAdapter implements IPConfig
 		}
 		DBA::close($pconfigs);
 
-		$this->config_loaded = true;
+		$this->config_loaded[$uid] = true;
 
 		return $return;
 	}
@@ -67,7 +72,7 @@ class PreloadPConfigAdapter extends AbstractDbaConfigAdapter implements IPConfig
 			return '!<unset>!';
 		}
 
-		if (!$this->config_loaded) {
+		if (!$this->isLoaded($uid, $cat, $key)) {
 			$this->load($uid, $cat);
 		}
 
@@ -92,7 +97,7 @@ class PreloadPConfigAdapter extends AbstractDbaConfigAdapter implements IPConfig
 			return false;
 		}
 
-		if (!$this->config_loaded) {
+		if ($this->isLoaded($uid, $cat, $key)) {
 			$this->load($uid, $cat);
 		}
 		// We store our setting values as strings.
@@ -121,7 +126,7 @@ class PreloadPConfigAdapter extends AbstractDbaConfigAdapter implements IPConfig
 			return false;
 		}
 
-		if (!$this->config_loaded) {
+		if (!$this->isLoaded($uid, $cat, $key)) {
 			$this->load($uid, $cat);
 		}
 
@@ -139,6 +144,6 @@ class PreloadPConfigAdapter extends AbstractDbaConfigAdapter implements IPConfig
 			return false;
 		}
 
-		return $this->config_loaded;
+		return isset($this->config_loaded[$uid]) && $this->config_loaded[$uid];
 	}
 }