Introduction

Implemented as a SAPI module, phpdbg can exert complete control over the environment without impacting the functionality or performance of your code.

phpdbg aims to be a lightweight, powerful, easy to use debugging platform for PHP. It offers the following features:

• Step-Through Debugging
• Flexible Breakpoints (Class Method, Function, File:Line, Address, Opcode)
• Easy Access to PHP with built-in eval()
• Userland API
• SAPI Agnostic - Easily Integrated
• PHP Configuration File Support
• JIT Super Globals - Set Your Own !!
• Optional readline Support - Comfortable Terminal Operation
• Easy Operation - See Help :)

Command line options

Option	Example Argument	Description
-c	-c/my/php.ini	Set php.ini file to load
-d	-dmemory_limit=4G	Set a php.ini directive
-n		Disable default php.ini
-q		Suppress welcome banner
-v		Enable oplog output
-b		Disable color
-i	-imy.init	Set .phpdbginit file
-I		Ignore default .phpdbginit
-O	-Omy.oplog	Set oplog output file
-r		Run execution context
-rr		Run execution context and quit after execution (not respecting breakpoints)
-e		Generate extended information for debugger/profiler
-E		Enable step through eval, careful!
-s	-s=, -s=foo	Read code to execute from stdin with an optional delimiter
-S	-Scli	Override SAPI name, careful!
-l	-l4000	Setup remote console ports
-a	-a192.168.0.3	Setup remote console bind address
-x		Enable xml output (instead of normal text output)
-p	-p, -p=func, -p*	Output opcodes and quit
-h		Print the help overview
-V		Print version number
--	-- arg1 arg2	Use to delimit phpdbg arguments and php $argv; append any $argv argument after it