Is Flex SMTP Compatible with PHP 8.3?

Q: Does Flex SMTP work with PHP 8.3?

Flex SMTP is not fully compatible with PHP 8.3. 3 compatibility issues were detected.

Q: What PHP version does Flex SMTP require?

Flex SMTP declares a minimum PHP requirement of 7.4. The actual minimum PHP version detected by static analysis is 8.0.

Not Compatible

This plugin has critical incompatibilities with PHP 8.3.

PHP Version Requirements

Declared Minimum

7.4

Actual Minimum Detected

8.0

Mismatch with declared minimum

Tested Up To

PHP 8.3

Compatibility Issues (3)

PHP Version Mismatch: Declared vs RequiredHIGH

Plugin Header

str_starts_with() requires PHP 8.0 but plugin declares `Requires PHP: 7.4`HIGH

includes/mailer.php:33

PHP 8.0+ Required: str_starts_with()INFO

includes/mailer.php:33

PHP Version Distribution

According to WordPress.org statistics, over 72% of WordPress sites run PHP 8.0 or higher. Ensuring compatibility with modern PHP versions is important for security, performance, and access to the latest language features.

View Full Security Audit Check Your Own Plugin

Frequently Asked Questions

Does Flex SMTP work with PHP 8.3?

Flex SMTP is not fully compatible with PHP 8.3. Our analysis detected 3 compatibility issues.

What PHP version does Flex SMTP require?

Flex SMTP declares a minimum PHP requirement of 7.4. WP HealthKit's static analysis detected an actual minimum of 8.0.