is there any way to hook a debug function into a hook such as init and retrieve every php function whose operates there ?

Question

is there any way to hook a debug function into a hook such as init and retrieve every php function whose operates there ?

what i meant with PHP function is its name ? is it possible to retrieve any php function name via php built in function ?

Answer 1

debug_backtrace()

PS. http://php.net/manual-lookup.php?pattern=debug ;)

Answer 2

Specifically for Wordpress: WordPress › wp pear debug « WordPress Plugins