xdebug_php.ini

; Automatically add files before PHP document.
; http://php.net/auto-prepend-file
auto_prepend_file = /Users/shauvik/Library/Containers/com.bitnami.mampstack/Data/app-5_4_9/apache2/htdocs/php_trace/prepend.php

; Automatically add files after PHP document.
; http://php.net/auto-append-file
auto_append_file = /Users/shauvik/Library/Containers/com.bitnami.mampstack/Data/app-5_4_9/apache2/htdocs/php_trace/append.php

;...

;[XDebug]
;; Only Zend OR (!) XDebug
zend_extension="/Applications/MampStack.app/Contents/Resources/app/php/lib/php/extensions/xdebug.so"
;xdebug.remote_enable=true
;xdebug.remote_host=127.0.0.1
;xdebug.remote_port=9000
;xdebug.remote_handler=dbgp
xdebug.profiler_enable=1
xdebug.profiler_output_dir=/tmp
;Shauvik
xdebug.collect_assignments=1
xdebug.collect_params=4
xdebug.collect_return=1
xdebug.trace_format=1
xdebug.var_display_max_children=-1
xdebug.var_display_max_data=-1
xdebug.var_display_max_depth=-1

append.php

<?php
//var_dump(xdebug_get_code_coverage());
//xdebug_stop_code_coverage();
$headers = getallheaders();

if(array_key_exists('Trace-Request-Id', $headers)) {
	xdebug_stop_trace();
}

prepend.php

<?php
    //xdebug_start_code_coverage(XDEBUG_CC_UNUSED | XDEBUG_CC_DEAD_CODE);
	
	$base = "/Users/shauvik/Library/Containers/com.bitnami.mampstack/Data/app-5_4_9/apache2/htdocs/xtlogs/";

	$patharr = explode("/",$_SERVER['REQUEST_URI']);
	$foldername = count($patharr)>1 ? $patharr[1] : '';

	if($foldername){
		if (!file_exists($base.$foldername)) {
			mkdir($base.$foldername);
		}
		$base = $base.$foldername.'/';	
	}

    $headers = getallheaders();
    //echo $headers['RequestId'];
    //var_dump($headers);

    if(array_key_exists('Trace-Request-Id', $headers)) {
    	xdebug_start_trace($base.'trace.'.$headers['Trace-Request-Id']);	
    }