PHP Validator

A PHP syntax and compatibility checker that helps developers validate code fragments across PHP versions without executing them.

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< 15ms

Browser Execution Speed

100%

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4.9 / 5.0

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About This Tool

PHP Validator analyzes PHP code snippets to verify syntax correctness and cross-version compatibility without executing the code. It supports multiple PHP versions and returns structured diagnostics that aid manual review and automation. The tool parses the input, builds an AST, and applies version-specific rules to flag errors, deprecations, and potential compatibility issues. It distinguishes hard syntax errors from warnings about deprecated features, guiding developers on concrete fixes. Audiences include developers integrating PHP components into CMS themes or libraries, educators teaching PHP basics, and code reviewers seeking reproducible diagnostics before merges. Unique value lies in non-executing, version-aware analysis that scales to fragments and small files, with machine-readable outputs suitable for CI pipelines. Core features include line/column diagnostics, severity classification, and exports in JSON for automation. Typical use cases cover pre-commit checks, upgrade planning, and targeted code reviews where runtime execution is not feasible. The tool emphasizes correctness and forward-compatibility as a quality gate during development, refactoring, or code audits.

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How to Use

Provide inputs: code_text, php_version, strict_types, short_open_tag, and options.
Configure scope: set reporting_mode and any advanced flags as needed.
Run validation: trigger analysis to generate diagnostics.
Review outputs: examine syntax_issues, deprecations, and warnings with location data.
Integrate or export: save results as JSON or feed into CI checks.

Frequently Asked Questions

Find Quick Answers

What issues does it report?

It reports syntax errors and parse failures, deprecations, and version-compatibility warnings. It does not execute code, perform runtime tests, or conduct security scans.

Can it analyze across multiple PHP versions?

Yes. By specifying the target PHP version, the tool flags constructs deprecated or incompatible with that version, aiding upgrade planning and compatibility validation.

Does it run PHP code to test behavior?

No. The validation is static: it parses PHP source and applies grammar and version rules without executing functions or accessing external resources.

Can results be consumed by automation?

Yes. Diagnostics are exposed in structured formats (e.g., JSON) suitable for CI pipelines, code review integrations, and automated dashboards.

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