Fix some PHPStan warnings in 'classes/db/migrations.php', 'classes/db/prefs.php', and 'classes/debug.php'.

1 files changed, 8 insertions, 2 deletions

diff --git a/classes/db/prefs.php b/classes/db/prefs.php
index 821216622..209ef58c1 100644
--- a/classes/db/prefs.php
+++ b/classes/db/prefs.php
@@ -2,11 +2,17 @@
 class Db_Prefs {
 	// this class is a stub for the time being (to be removed)
 
-	function read($pref_name, $user_id = false, $die_on_error = false) {
+	/**
+	 * @return bool|int|null|string
+	 */
+	function read(string $pref_name, ?int $user_id = null, bool $die_on_error = false) {
 		return get_pref($pref_name, $user_id);
 	}
 
-	function write($pref_name, $value, $user_id = false, $strip_tags = true) {
+	/**
+	 * @param mixed $value
+	 */
+	function write(string $pref_name, $value, ?int $user_id = null, bool $strip_tags = true): bool {
 		return set_pref($pref_name, $value, $user_id, $strip_tags);
 	}
 }