---
title: "WP Compat Scanner"
author: "Lax Mariappan"
date: "2026-02-09"
excerpt: "WP Compat Scanner A WordPress plugin that scans your installed plugins for compatibility issues with specific WordPress versions. Uses the wp-since library to detect deprecated functions, version mismatches, and compatibility problems. Features Scan all plugins — Check active or all installed plugins at once Detect deprecated code — Find functions/hooks that may be removed in […]"
canonical_url: "https://laxmariappan.com/projects/wp-compat-scanner/"
---

# WP Compat Scanner

WP Compat Scanner
A WordPress plugin that scans your installed plugins for compatibility issues with specific WordPress versions. Uses the wp-since library to detect deprecated functions, version mismatches, and compatibility problems.
Features

Scan all plugins — Check active or all installed plugins at once
Detect deprecated code — Find functions/hooks that may be removed in future WordPress versions
Version validation — Verify declared minimum WordPress versions match actual usage
New features detection — See which new WordPress features your plugins are using
Custom compatibility maps — Generate maps for specific WordPress versions (RC, beta, etc.)
WP-CLI integration — Easy command-line interface

Quick Start
# Scan all active plugins
wp compat-scanner scan

# Scan specific plugin
wp compat-scanner scan --plugin=your-plugin-slug

# Check against WordPress 6.9 RC1
wp compat-scanner generate_map --version=6.9-RC1
wp compat-scanner scan --since-map=wp-content/plugins/wp-compat-scanner/wp-since-6.9-RC1.json
Language: PHP
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