Bug: Email config in the .env doesn't appear as expected

[totoprayogo1916]

PHP Version

7.4

CodeIgniter4 Version

4.3.0

CodeIgniter4 Installation Method

Composer (using codeigniter4/appstarter)

Which operating systems have you tested for this bug?

Windows

Which server did you use?

cli-server (PHP built-in webserver)

Database

No response

What happened?

# .env
email.fromEmail = 'XYZ'

v4.2.12

v4.3.0

Steps to Reproduce

just set .env

# .env
email.fromEmail = 'XYZ'

Expected Output

Same as in the previous version.

Anything else?

No response

[totoprayogo1916]

I guess all variables with no default content will show "undefined".

[kenjis]

It seems get_object_vars() does not return uninitialized properties.

[paulbalandan]

It seems get_object_vars() does not return uninitialized properties.

It seems not.

Uninitialized properties are considered inaccessible, and thus will not be included in the array.
https://www.php.net/manual/en/function.get-object-vars.php

[kenjis]

Workaround:

--- a/app/Config/Email.php
+++ b/app/Config/Email.php
@@ -6,9 +6,9 @@ use CodeIgniter\Config\BaseConfig;
 
 class Email extends BaseConfig
 {
-    public string $fromEmail;
-    public string $fromName;
-    public string $recipients;
+    public string $fromEmail  = '';
+    public string $fromName   = '';
+    public string $recipients = '';
 
     /**
      * The "user agent"

Or

--- a/app/Config/Email.php
+++ b/app/Config/Email.php
@@ -6,9 +6,9 @@ use CodeIgniter\Config\BaseConfig;
 
 class Email extends BaseConfig
 {
-    public string $fromEmail;
-    public string $fromName;
-    public string $recipients;
+    public $fromEmail;
+    public $fromName;
+    public $recipients;
 
     /**
      * The "user agent"

[kenjis]

I sent a PR: #7078