Is Performance Lab Compatible with PHP 8.3?

Not Compatible

This plugin has critical incompatibilities with PHP 8.3.

PHP Version Requirements

Declared Minimum

7.2

Actual Minimum Detected

8.1

Mismatch with declared minimum

Tested Up To

PHP 8.3

Compatibility Issues (12)

PHP Version Mismatch: Declared vs RequiredHIGH

Plugin Header

PHP 8.1+ Required: Enum declarationHIGH

includes/admin/rest-api.php:104

Dynamic properties without AllowDynamicProperties attributeHIGH

includes/server-timing/class-perflab-server-timing.php:25

PHP 8.0+ Required: str_contains()MEDIUM

includes/site-health/audit-enqueued-assets/helper.php:101

PHP 8.0+ Required: str_contains()MEDIUM

includes/site-health/audit-enqueued-assets/helper.php:102

PHP 8.0+ Required: str_contains()MEDIUM

includes/site-health/audit-enqueued-assets/helper.php:103

PHP 8.0+ Required: str_contains()MEDIUM

includes/site-health/audit-enqueued-assets/helper.php:104

PHP 8.0+ Required: str_contains()MEDIUM

includes/site-health/audit-enqueued-assets/helper.php:468

PHP 8.0+ Required: str_contains()MEDIUM

includes/site-health/bfcache-compatibility-headers/helper.php:69

PHP 8.0+ Required: str_starts_with()MEDIUM

load.php:56

PHP 8.0+ Required: str_starts_with()MEDIUM

load.php:243

PHP version mismatchMEDIUM

load.php:8

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 Performance Lab work with PHP 8.3?

Performance Lab is not fully compatible with PHP 8.3. Our analysis detected 12 compatibility issues.

What PHP version does Performance Lab require?

Performance Lab declares a minimum PHP requirement of 7.2. WP HealthKit's static analysis detected an actual minimum of 8.1.