PHP Compatibility Checker

Check PHP code compatibility across different PHP versions to ensure smooth upgrades and deployments.

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About This Tool

The PHP Compatibility Checker is a comprehensive online tool that analyzes PHP code for compatibility issues across different PHP versions. Upload your PHP files or paste code directly to detect deprecated functions, removed features, syntax changes, and version-specific problems. Get detailed reports with line numbers, severity levels, and suggestions for fixes to ensure your code works seamlessly when upgrading PHP versions or deploying to different environments.

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How to Use

Upload PHP files using the drag-and-drop area or paste code directly into the textarea.
Select the target PHP version you want to check compatibility against (PHP
6 to PHP
3+).
Choose analysis options: Check for deprecated functions, syntax compatibility, or both.
Click 'Check Compatibility' to analyze your code.
Review the detailed report showing compatibility issues, warnings, and statistics.

Frequently Asked Questions

Find Quick Answers

What PHP versions does this tool support checking?

The tool can check compatibility against PHP versions from 5.6 up to 8.3 and beyond. You can select your target version from the dropdown menu.

Does the tool store my uploaded PHP files?

No, all processing happens in memory and files are not stored permanently. Your code remains private and secure.

What types of compatibility issues does it detect?

The tool detects deprecated functions, removed features, syntax changes, and version-specific incompatibilities based on PHP's official documentation and changelogs.

Can I check multiple files at once?

Yes, you can upload multiple PHP files simultaneously using the file upload area. The tool will analyze all files and provide a consolidated report.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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