PHP Get Script Running Time_PHP Tutorial

header("content-type:text/html;charset=utf-8");

//microtime— Returns the current Unix Timestamp and microseconds

$oldtime = microtime(true);

echo "The running time of this script is:";

$v=0;

for ($i = 0; $i

$v++;

}

$newtime =microtime(true);

//Get the time difference

$runtime = $newtime-$oldtime;

//Convert timestamp to string—var_export Output or return a string representation of a variable

$runtime=var_export($runtime);

//Intercept the string substr_count and calculate the number of occurrences of the string

$postion = substr_count($runtime, 'E');

$runtime = substr($runtime,0,$postion-1);

//Convert string value to floatfloatval — Get the floating point value of a variable

$runtime = floatval($runtime)/1000;

echo $runtime."seconds";