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Package Information: PHP_FunctionCallTracer

» Summary » License
Function Call Tracer The BSD License
» Current Release » Bug Summary
1.0.0 (stable) was released on 2007-09-13 (Changelog)
Easy Install

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pear install PHP_FunctionCallTracer

Pyrus Install

Try PEAR2's installer, Pyrus.

php pyrus.phar install pear/PHP_FunctionCallTracer

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» Description
Creates a function calls debug trace. Functions arguments, returned parameters and watched variables are reported in the same section for each function call.
The trace is available as an array, or can be displayed or written in a file.
Traced variables can be processed by provided user functions for displaying purposes.

This package is not a replacement for full fledged PHP debuggers. It is useful for (1) remote debugging, (2) to debug a complex sequence of function calls, (3) to display non text variables in a user readable format.

(1) Remote debugging is sometimes the only option to debug a package that works fine on your system, e.g. a 32-bit OS, but breaks on a different system, e.g. a 64-bit OS, which you have no access to. A remote user who has the latter OS could run the package, then send you the trace for analysis.

(2) It is sometimes difficult not to loose track of functions calls in some live debugging sessions even with top notch PHP editor/debuggers. The trace produced by this package may come handy and is easy to use in combination with the source code to track calls and variables.

(3) Some variables native format does not always display well, typically:
packed data and UTF-8 strings. They can be converted as they are being traced to a readable format by provided user functions. For example: converting binary strings to hexadecimal, or UTF-8 string to Unicode.

Fully tested with phpUnit. Code coverage test close to 100%.

Usage including trace examples is fully documented in docs/examples files.
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Dependencies for PHP_FunctionCallTracer