<?php function bar($x) { if ($x > 0) { bar($x - 1); } } function foo() { for ($idx = 0; $idx < 5; $idx++) { bar($idx); $x = strlen("abc"); } } // start profiling xhprof_enable(); // run program foo(); // stop profiler $xhprof_data = xhprof_disable(); // display raw xhprof data for the profiler run print_r($xhprof_data); $XHPROF_ROOT = realpath(dirname(__FILE__) .'/..'); include_once $XHPROF_ROOT . "/xhprof_lib/utils/xhprof_lib.php"; include_once $XHPROF_ROOT . "/xhprof_lib/utils/xhprof_runs.php"; // save raw data for this profiler run using default // implementation of iXHProfRuns. $xhprof_runs = new XHProfRuns_Default(); // save the run under a namespace "xhprof_foo" $run_id = $xhprof_runs->save_run($xhprof_data, "xhprof_foo"); echo "---------------\n". "Assuming you have set up the http based UI for \n". "XHProf at some address, you can view run at \n". "http://<xhprof-ui-address>/index.php?run=$run_id&source=xhprof_foo\n". "---------------\n";