add comments

app/Models/Row.php

@@ -23,12 +23,22 @@ class Row extends BaseModel
     protected $guarded = [];
     public $timestamps = false;
 
+    /**
+     * Disable casts, pushing the previous value onto a stack
+     *
+     * Needed when using the rowsData() revision method that could
+     * cause a name collision with a database column, confusing Eloquent
+     * into applying incorrect casts.
+     */
     public static function disableCasts()
     {
         array_push(self::$noCastsStack, self::$noCasts);
         self::$noCasts = true;
     }
 
+    /**
+     * Restore the original value of casts enabled/disabled
+     */
     public static function enableCasts()
     {
         self::$noCasts = array_pop(self::$noCastsStack);