Xdebug

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On the record

Browser integrations

The step debugging documentation lists Xdebug Helper extensions for Firefox, Chrome/Chromium, and Edge, plus XDebugToggle for Safari.xdebug.org · read 2 Oct 2026

Code coverage

Xdebug provides code coverage analysis to show which parts of a codebase execute when running PHPUnit tests.xdebug.org · read 2 Oct 2026

Compatibility

Xdebug documents compatibility by PHP version and notes that current Xdebug releases support currently supported PHP versions.xdebug.org · read 2 Oct 2026

Error reporting

Xdebug improves var_dump() and adds stack traces for notices, warnings, errors, and exceptions.xdebug.org · read 2 Oct 2026

IDE integrations

The DBGp protocol is supported by nearly every PHP IDE, including Visual Studio Code and PhpStorm, and by text-based editors.xdebug.org · read 2 Oct 2026

Networking

Xdebug initiates debugger connections to the IDE, and Xdebug Cloud is described as a relay for cases where direct connections are blocked by networking or a firewall.xdebug.org · read 2 Oct 2026

Product

Xdebug is a PHP extension that provides features to improve the PHP development experience.xdebug.org · read 2 Oct 2026

Profiling

The built-in profiler reports execution and memory-use information in Cachegrind-compatible files that can be viewed with tools such as KCacheGrind or QCacheGrind.xdebug.org · read 2 Oct 2026

Release limits

The download page lists precompiled Windows binaries for specified PHP versions and source downloads for Linux and macOS.xdebug.org · read 2 Oct 2026

Security and privacy

The opened official pages describe debugging logs and connection configuration but make no security certification or compliance claim.xdebug.org · read 2 Oct 2026

Step debugging

Its step debugger lets developers walk through code interactively to examine control flow and data structures.xdebug.org · read 2 Oct 2026

Support

Community support uses Stack Overflow with low issue priority, while paid Pro and Business tiers offer email technical support and medium or high issue priority.xdebug.org · read 2 Oct 2026

Supported systems

Installation instructions cover Linux, macOS, Windows, and Unix-like systems; source builds are described for Unix-like operating systems.xdebug.org · read 2 Oct 2026

Tracing

Function tracing can record calls, arguments, and invocation locations, and optionally variable assignments and return values.xdebug.org · read 2 Oct 2026

Alternatives to Xdebug

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