PHP Debug Log program execution time and execution status

/** * debuging (' DTrace ');  //view Call Stack  * debuging ($var);  //print $var (var_dump)  *  debuging ($var,  ' php ');  //print $var (var_export)  * debuging ($var,  $echo,  2);  //output $var * debuging (__line__.__class) in JSON format;//common use in large if statement body positioning,  or looking for program end point  */function  debuging ($var  =  ',  $echo  =  ',  $die  = false,  $force  =  false)  {  static  $clear;  if  (0 &&  $clear  ===  null)  {    ob_end_flush  ();     $clear  = true ;  }  static  $d;  if  (0 && empty  (  $d  )  {     $d  = 1;    debuging  (  ' DTrace '  );  }     $force  && $_get [' Debug '] = 1;   if  (ISSET&NBSP; ( $_get [' Debug '] )  {    if  (' DTrace '  ===  $var)  {      dTrace  (  $die  );    }  elseif  ($die  === 2)  {      header  (  ' Content-type:  application/json '  );      echo json_encode  (  $var  );    } else {      echo  "<pre>\n ";      if  ($echo)  {         echo  "$echo:";      }      if  ($echo  ===  ' php ')         var_export  (  $var  );       else        var_dump  (  $var  );      echo  "</pre>\n";    }     $die  &&  die    }}function dtrace ($die  = false)  {  try {     static  $lastTime;     $lastTime  or  $lastTime  =  $_server [' Request_time '];    throw new exception  ();   } catch  ( Exception  $e  )  {     $currTime  =  microtime  ( true );     $totalTime  =  $currTime  - $_ server [' request_time '];     $execTime  =  $currTime  -  $lastTime;      $lastTime  =  $currTime;    echo  "\n
 PHP Debug Log program execution time and execution