A little PHP function to get a succinct string of function backtraces

debug_backtrace_format.php

<?php

// A little PHP function to get a succinct string of function backtraces.
function debug_backtrace_format()
{
	$bt = array_slice(debug_backtrace(), 1); // shift off the call to debug_backtrace_format()
	return join(', ', array_map(create_function('$a', 'return $a["function"] ."() (". $a["file"] .":". $a["line"] .")";'), $bt));
}

function test()
{
	test2();
}

function test2()
{
	echo debug_backtrace_format();
}

test();

// OUTPUTS:
// test2() (/Users/ssouder/Desktop/Stubs/stub.php:11), test() (/Users/ssouder/Desktop/Stubs/stub.php:19)

?>