note 85290 added to control-structures.declare

Code evaluation script which uses debug_backtrace() to get execution time in ns, relative current line number, function, file, and calling function info on each tick, and shove it all in $script_stats array. See debug_backtrace manual to customize what info is collected. Warning: this will exhaust allowed memory very easily, so adjust tick counter according to the size of your code. Also, array_key_exists checking on debug_backtrace arrays is removed here only to keep this example simple, but should be added to avoid a large number of resulting PHP Notice errors. <?php $script_stats = array(); $time = microtime(true); function track_stats(){ global $script_stats,$time; $trace = debug_backtrace(); $exe_time = (microtime(true) - $time) * 1000; $func_args = implode(", ",$trace[1]["args"]); $script_stats[] = array( "current_time" => microtime(true), "memory" => memory_get_usage(true), "file" => $trace[1]["file"].': '.$trace[1]["line"], "function" => $trace[1]["function"].'('.$func_args.')', "called_by" => $trace[2]["function"].' in '.$trace[2]["file"].': '.$trace[2]["line"], "ns" => $exe_time ); $time = microtime(true); } declare(ticks = 1); register_tick_function("track_stats"); // the rest of your project code // output $script_stats into a html table or something ?> ---- Server IP: 209.41.74.194 Probable Submitter: 24.107.184.98 ---- Manual Page -- http://www.php.net/manual/en/control-structures.declare.php Edit -- https://master.php.net/note/edit/85290 Del: integrated -- https://master.php.net/note/delete/85290/integrated Del: useless -- https://master.php.net/note/delete/85290/useless Del: bad code -- https://master.php.net/note/delete/85290/bad+code Del: spam -- https://master.php.net/note/delete/85290/spam Del: non-english -- https://master.php.net/note/delete/85290/non-english Del: in docs -- https://master.php.net/note/delete/85290/in+docs Del: other reasons-- https://master.php.net/note/delete/85290 Reject -- https://master.php.net/note/reject/85290 Search -- https://master.php.net/manage/user-notes.php