Is Contact Form 7 Compatible with PHP 8.3?

Not Compatible

This plugin has critical incompatibilities with PHP 8.3.

PHP Version Requirements

Declared Minimum

7.4

Actual Minimum Detected

Unknown

Tested Up To

PHP 8.3

Compatibility Issues (62)

PHP Version Mismatch: Declared vs RequiredHIGH

Plugin Header

PHP 8.0+ Required: Named argumentsHIGH

admin/includes/tag-generator.php:19

PHP 8.0+ Required: Named argumentsHIGH

includes/config-validator/validator.php:112

PHP 8.0+ Required: Named argumentsHIGH

includes/contact-form.php:49

PHP 8.0+ Required: Named argumentsHIGH

includes/filesystem.php:27

PHP 8.0+ Required: Named argumentsHIGH

includes/form-tags-manager.php:77

PHP 8.0+ Required: Named argumentsHIGH

includes/html-formatter.php:325

PHP 8.0+ Required: Named argumentsHIGH

includes/html-formatter.php:382

PHP 8.0+ Required: Named argumentsHIGH

includes/html-formatter.php:402

PHP 8.0+ Required: Named argumentsHIGH

includes/html-formatter.php:403

PHP 8.0+ Required: Named argumentsHIGH

includes/html-formatter.php:553

PHP 8.0+ Required: Named argumentsHIGH

includes/html-formatter.php:675

PHP 8.0+ Required: Named argumentsHIGH

includes/integration.php:38

PHP 8.0+ Required: Named argumentsHIGH

includes/rest-api.php:19

PHP 8.0+ Required: Named argumentsHIGH

includes/rest-api.php:53

PHP 8.0+ Required: Named argumentsHIGH

includes/rest-api.php:107

PHP 8.0+ Required: Named argumentsHIGH

includes/rest-api.php:118

PHP 8.0+ Required: Named argumentsHIGH

includes/rest-api.php:130

PHP 8.0+ Required: Named argumentsHIGH

includes/submission.php:33

PHP 8.0+ Required: Named argumentsHIGH

includes/submission.php:41

PHP 8.0+ Required: Named argumentsHIGH

includes/swv/php/abstract-rules.php:199

PHP 8.0+ Required: Named argumentsHIGH

modules/akismet/service.php:13

PHP 8.0+ Required: Named argumentsHIGH

modules/constant-contact/constant-contact.php:38

PHP 8.0+ Required: Named argumentsHIGH

modules/constant-contact/constant-contact.php:46

PHP 8.0+ Required: Named argumentsHIGH

modules/constant-contact/constant-contact.php:52

PHP 8.0+ Required: Named argumentsHIGH

modules/flamingo.php:232

PHP 8.0+ Required: Named argumentsHIGH

modules/recaptcha/service.php:15

PHP 8.0+ Required: Named argumentsHIGH

modules/sendinblue/service.php:14

PHP 8.0+ Required: Named argumentsHIGH

modules/stripe/service.php:14

PHP 8.0+ Required: Named argumentsHIGH

modules/turnstile/service.php:20

PHP 8.0+ Required: str_contains()MEDIUM

includes/config-validator/form.php:203

PHP 8.0+ Required: str_contains()MEDIUM

includes/config-validator/form.php:225

PHP 8.0+ Required: str_contains()MEDIUM

includes/config-validator/mail.php:374

PHP 8.0+ Required: str_contains()MEDIUM

includes/config-validator/mail.php:576

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/config-validator/mail.php:56

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/config-validator/mail.php:61

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/config-validator/mail.php:390

PHP 8.0+ Required: str_ends_with()MEDIUM

includes/config-validator/mail.php:62

PHP 8.0+ Required: str_ends_with()MEDIUM

includes/contact-form-functions.php:212

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/contact-form.php:565

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/contact-form.php:566

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/contact-form.php:567

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/file.php:167

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/form-tag.php:123

PHP 8.0+ Required: str_ends_with()MEDIUM

includes/form-tag.php:37

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/form-tags-manager.php:428

PHP 8.0+ Required: str_contains()MEDIUM

includes/formatting.php:203

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/html-formatter.php:448

PHP 8.0+ Required: str_contains()MEDIUM

includes/mail.php:359

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/rest-api.php:336

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/special-mail-tags.php:109

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/special-mail-tags.php:209

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/special-mail-tags.php:244

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/submission.php:355

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/submission.php:540

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/validation-functions.php:46

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/validation-functions.php:47

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/validation-functions.php:295

PHP 8.0+ Required: str_starts_with()MEDIUM

includes/validation.php:51

PHP 8.0+ Required: str_starts_with()MEDIUM

modules/akismet/akismet.php:135

PHP 8.0+ Required: str_starts_with()MEDIUM

modules/sendinblue/sendinblue.php:194

PHP 8.0+ Required: str_starts_with()MEDIUM

modules/sendinblue/sendinblue.php:195

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 Contact Form 7 work with PHP 8.3?

Contact Form 7 is not fully compatible with PHP 8.3. Our analysis detected 62 compatibility issues.

What PHP version does Contact Form 7 require?

Contact Form 7 declares a minimum PHP requirement of 7.4. WP HealthKit's static analysis detected an actual minimum of Unknown.