docs: add comment manually

Author: kenjis

system/Cache/Handlers/PredisHandler.php

@@ -88,7 +88,11 @@ public function get(string $key)
 
         return match ($data['__ci_type']) {
             'array', 'object' => unserialize($data['__ci_value']),
-            'boolean', 'integer', 'double', 'string', 'NULL' => settype($data['__ci_value'], $data['__ci_type']) ? $data['__ci_value'] : null,
+            'boolean',
+            'integer',
+            'double', // Yes, 'double' is returned and NOT 'float'
+            'string',
+            'NULL'  => settype($data['__ci_value'], $data['__ci_type']) ? $data['__ci_value'] : null,
             default => null,
         };
     }

system/Cache/Handlers/RedisHandler.php

@@ -114,7 +114,11 @@ public function get(string $key)
 
         return match ($data['__ci_type']) {
             'array', 'object' => unserialize($data['__ci_value']),
-            'boolean', 'integer', 'double', 'string', 'NULL' => settype($data['__ci_value'], $data['__ci_type']) ? $data['__ci_value'] : null,
+            'boolean',
+            'integer',
+            'double', // Yes, 'double' is returned and NOT 'float'
+            'string',
+            'NULL'  => settype($data['__ci_value'], $data['__ci_type']) ? $data['__ci_value'] : null,
             default => null,
         };
     }

system/Common.php

@@ -373,6 +373,7 @@ function env(string $key, $default = null)
             return $default;
         }
 
+        // Handle any boolean values
         return match (strtolower($value)) {
             'true'  => true,
             'false' => false,