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Is Markzen SEO Compatible with PHP 8.3?

Not Compatible

This plugin has critical incompatibilities with PHP 8.3.

PHP Version Requirements

Declared Minimum

Not declared

Actual Minimum Detected

8.0

Tested Up To

PHP 8.3

Compatibility Issues (84)

Missing 'Requires PHP' headerHIGH

Plugin Header

Deprecated: Implicit nullable parameterLOW

includes/markzen-helpers.php:92

PHP 8.0+ Required: Named argumentsINFO

admin/class-markzen-shell.php:287

PHP 8.0+ Required: str_contains()INFO

admin/class-markzen-shell.php:53

PHP 8.0+ Required: str_starts_with()INFO

admin/class-markzen-shell.php:52

PHP 8.0+ Required: Named argumentsINFO

admin/views/robots.php:23

PHP 8.0+ Required: Named argumentsINFO

admin/views/tools-link-checker.php:198

PHP 8.0+ Required: Match expressionINFO

admin/views/tools-link-checker.php:44

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:34

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:91

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:140

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:143

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:145

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:153

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:164

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:191

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:198

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:206

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:218

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:219

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:222

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:224

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:280

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:290

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:306

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:317

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:338

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:347

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:348

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:349

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:350

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-image-analyzer.php:351

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:54

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:86

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:95

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:121

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:132

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:142

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:165

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:171

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:214

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:226

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:254

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:264

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:295

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:305

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:307

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:338

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:354

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:386

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:391

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:399

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:413

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:415

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:417

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:421

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:433

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:437

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:614

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:649

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:658

PHP 8.0+ Required: Named argumentsINFO

includes/analysis/class-link-checker.php:668

PHP 8.0+ Required: str_starts_with()INFO

includes/analysis/class-script-detector.php:170

PHP 8.0+ Required: str_ends_with()INFO

includes/analysis/class-script-detector.php:126

PHP 8.0+ Required: Named argumentsINFO

includes/class-markzen-exporter.php:293

PHP 8.0+ Required: Named argumentsINFO

includes/class-markzen-exporter.php:349

PHP 8.0+ Required: Named argumentsINFO

includes/core/class-robots.php:65

PHP 8.0+ Required: Named argumentsINFO

includes/core/class-robots.php:91

PHP 8.0+ Required: Named argumentsINFO

includes/core/class-robots.php:322

PHP 8.0+ Required: Named argumentsINFO

includes/core/class-robots.php:362

PHP 8.0+ Required: Named argumentsINFO

includes/lighthouse/class-lighthouse-bridge.php:39

PHP 8.0+ Required: Named argumentsINFO

includes/lighthouse/class-lighthouse-bridge.php:69

PHP 8.0+ Required: Named argumentsINFO

includes/lighthouse/class-lighthouse-bridge.php:269

PHP 8.0+ Required: Named argumentsINFO

includes/lighthouse/class-lighthouse-bridge.php:292

PHP 8.0+ Required: Named argumentsINFO

includes/lighthouse/class-lighthouse-bridge.php:307

PHP 8.0+ Required: Named argumentsINFO

includes/lighthouse/class-lighthouse-bridge.php:315

PHP 8.0+ Required: Named argumentsINFO

includes/lighthouse/class-lighthouse-bridge.php:329

PHP 8.0+ Required: Named argumentsINFO

includes/lighthouse/class-lighthouse-bridge.php:339

PHP 8.0+ Required: Named argumentsINFO

includes/lighthouse/class-lighthouse-bridge.php:357

PHP 8.0+ Required: Named argumentsINFO

includes/lighthouse/class-lighthouse-bridge.php:363

PHP 8.0+ Required: Named argumentsINFO

includes/lighthouse/class-lighthouse-bridge.php:386

PHP 8.0+ Required: Named argumentsINFO

includes/lighthouse/class-lighthouse-bridge.php:488

PHP 8.0+ Required: Union typesINFO

includes/markzen-helpers.php:111

PHP 8.0+ Required: Named argumentsINFO

public/class-markzen-public.php:372

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.

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Frequently Asked Questions

Does Markzen SEO work with PHP 8.3?

Markzen SEO is not fully compatible with PHP 8.3. Our analysis detected 84 compatibility issues.

What PHP version does Markzen SEO require?

Markzen SEO declares a minimum PHP requirement of Not declared. WP HealthKit's static analysis detected an actual minimum of 8.0.