fix getAllValues() to filter values based on prefix

Signed-off-by: Maxence Lange <maxence@artificial-owl.com>

lib/private/AppConfig.php

@@ -210,12 +210,17 @@ class AppConfig implements IAppConfig {
 	 * @return array<string, string> [configKey => configValue]
 	 * @since 29.0.0
 	 */
-	public function getAllValues(string $app, string $key = '', bool $filtered = false): array {
-		$this->assertParams($app, $key);
+	public function getAllValues(string $app, string $prefix = '', bool $filtered = false): array {
+		$this->assertParams($app, $prefix);
 		// if we want to filter values, we need to get sensitivity
 		$this->loadConfigAll();
 		// array_merge() will remove numeric keys (here config keys), so addition arrays instead
-		$values = ($this->fastCache[$app] ?? []) + ($this->lazyCache[$app] ?? []);
+		$values = array_filter(
+			(($this->fastCache[$app] ?? []) + ($this->lazyCache[$app] ?? [])),
+			function (string $key) use ($prefix): bool {
+				return str_starts_with($key, $prefix); // filter values based on $prefix
+			}, ARRAY_FILTER_USE_KEY
+		);
 
 		if (!$filtered) {
 			return $values;

lib/public/IAppConfig.php

@@ -137,13 +137,13 @@ interface IAppConfig {
 	 * **WARNING:** ignore lazy filtering, all config values are loaded from database
 	 *
 	 * @param string $app id of the app
-	 * @param string $key config keys prefix to search, can be empty.
+	 * @param string $prefix config keys prefix to search, can be empty.
 	 * @param bool $filtered filter sensitive config values
 	 *
 	 * @return array<string, string> [configKey => configValue]
 	 * @since 29.0.0
 	 */
-	public function getAllValues(string $app, string $key = '', bool $filtered = false): array;
+	public function getAllValues(string $app, string $prefix = '', bool $filtered = false): array;
 
 	/**
 	 * List all apps storing a specific config key and its stored value.
@@ -152,7 +152,7 @@ interface IAppConfig {
 	 * @param string $key config key
 	 * @param bool $lazy search within lazy loaded config
 	 *
-	 * @return array<string, string> [appId => configValue]
+	 * @return array<string, string|int|float|bool|array> [appId => configValue]
 	 * @since 29.0.0
 	 */
 	public function searchValues(string $key, bool $lazy = false): array;