PHP Feature Availability Matrix

Explore PHP features across all major versions with our comprehensive interactive matrix. See when features were introduced or deprecated, get practical code examples, discover alternative solutions for older PHP versions, and understand performance implications. Perfect for planning upgrades, maintaining compatibility, and learning new PHP capabilities.

Feature Timeline Code Examples Version Alternatives Performance Notes

Quick Examples

PHP7: Null coalescing operator ??
PHP8: Named arguments, Union types
PHP8.1: Enums, Fibers, Readonly

Filter Features

Feature Category

PHP Version Range

Show Deprecated Features

Show Performance Impact

Show Experimental Features

Legend

✓ Available

NEW Introduced in version

DEP Deprecated

× Not available

⚡ Performance impact

EXP Experimental

Quick Statistics

Total Features

New in Range

Deprecated

PHP 8.4 Features

PHP Feature Matrix

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Help & Related Tools

Everything you need to know

FAQ Frequently Asked Questions

What features does the PHP Feature Availability Matrix show?

The matrix displays PHP features across versions 7.0-8.3 with introduction timelines, deprecation status, code examples, performance impact notes, and alternative solutions for older versions. Filter by category, version range, and feature status.

How do I use the PHP Feature Matrix to plan upgrades?

Select your current and target PHP versions, filter by relevant categories, and review the matrix to see which features become available or deprecated. Click on features for detailed examples and migration alternatives.

Which PHP versions and feature categories are supported?

The matrix covers PHP versions 7.0 through 8.3 with categories including Syntax & Language, Object-Oriented, Type System, Functions, Performance, and Security. All major PHP features and changes are included.

How accurate is the PHP feature timeline information?

The matrix is based on official PHP documentation and release notes. Each feature includes introduction version, deprecation status, and accurate availability information. However, always test features in your target environment.

Can I export the feature matrix for documentation?

Yes! Export options include HTML tables for documentation, CSV data for analysis, JSON for integration, and copyable text matrices. Perfect for team planning, upgrade documentation, and development reference.