PHP Deprecated: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated when hover admin bar while api key is invalid

[Mai-Saad]

Before submitting an issue please check that you’ve completed the following steps:

• Made sure you’re on the latest version=> 2.2.4
• Used the search feature to ensure that the bug hasn’t been reported before

Describe the bug
When hover the admin bar while API key is invalid, a deprecation notice is in debug.log

To Reproduce
Steps to reproduce the behavior:

1. fresh install /activate of imagify 2.2.4
2. open settings page
3. Add invalid key and save
4. hover imagify in admin bar
5. check debug.log
   [27-Jan-2025 10:54:17 UTC] PHP Deprecated: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /home/dell/Local Sites/apache2025/app/public/wp-content/plugins/imagify/views/admin/admin-bar-status.php on line 4

Expected behavior
No deprecation notice in debug.log

Test Environment

• WordPress: 6.7.1
• PHP: 8.3.11
• Server: Apache/2.4.43 (Unix)
• Database: mysqli (Server: 8.0.35 / Client: mysqlnd 8.3.11)
• Browser: Chrome 131.0.0.0
• OS: Linux
• Theme: Twenty Twenty-Four 1.3
• Plugins:
  • Code Snippets 3.6.6.1
  • Imagify 2.2.4
  • Query Monitor 3.17.0
  • Regenerate Thumbnails 3.1.6
  • Test Reports 1.2.0
  • Transients Manager 2.0.7
  • WP Rollback 2.0.7

Acceptance Criteria (for WP Media team use only)
Clear instructions for developers, to be added before the grooming