Fix PHPStan errors in monsters.php

phpstan.neon

@@ -29,6 +29,7 @@ parameters:
 		- '#Variable \$[a-zA-Z0-9\\_]+ might not be defined#'
 		# Eloquent models
 		- '#Call to an undefined static method [a-zA-Z0-9\\_]+::[a-zA-Z0-9\\_]+()#'
+		- '#Call to an undefined method object::toArray\(\)#'
 		# system/pages/highscores.php
 		- '#Call to an undefined method Illuminate\\Database\\Query\\Builder::withOnlineStatus\(\)#'
 		- '#Access to an undefined property Illuminate\\Database\\Eloquent\\Model::\$online_status#'

system/pages/monsters.php

@@ -44,6 +44,8 @@ $monster = Monster::where('hide', '!=', 1)->where('name', $monster_name)->first(
 if ($monster && isset($monster->name)) {
 	$monster = $monster->toArray();
 
+	/** @var array $monster */
+
 	function sort_by_chance($a, $b)
 	{
 		if ($a['chance'] == $b['chance']) {