The Xdebug extension helps you debugging your script by providing a lot of valuable debug information. Xdebug is a free and open source PHP extension for debugging and profiling PHP scripts in detail.
The debug information that Xdebug can provide includes the following:
Considering it is an extension, the usage is easy and requires very few things to setup in the code-side.
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stack traces and function traces in error messages with:
- full parameter display for user defined functions
- function name, file name and line indications
- support for member functions
- memory allocation
- protection for infinite recursions
Xdebug also provides:
- profiling information for PHP scripts
- code coverage analysis
- capabilities to debug your scripts interactively with a debug client
It can provide data on stack traces and function traces in error messages with full parameter display for user defined functions, function name, file name and line indications.
Xdebug can also present the memory allocation, profiling information and code coverage analysis.
And, it has an interface (including extensions for browsers) that interact with running PHP scripts for debugger clients.
Download Free PHP Debugger & Profiler Tool
Requirements: Zend Optimizer must be enabled
Website: http://xdebug.org/
Download: http://xdebug.org/download.php
