Document associative array where clauses (#10583)

* Document associative array where clauses

* Update queries.md

---------

Co-authored-by: Taylor Otwell <[email protected]>

Author: MarkHolmesRex

queries.md

@@ -522,6 +522,15 @@ For convenience, if you want to verify that a column is `=` to a given value, yo
 $users = DB::table('users')->where('votes', 100)->get();
 ```
 
+You may also provide an associative array to the `where` method to quickly query against multiple columns:
+
+```php
+$users = DB::table('users')->where([
+    'first_name' => 'Jane',
+    'last_name' => 'Doe',
+])->get();
+```
+
 As previously mentioned, you may use any operator that is supported by your database system:
 
 ```php