measuring the elapsed time between code segments in PHP

Question

From time time to time, I\'d like to be able to measure the elapsed time between two segments of code. This is solely to be able to detect the bottlenecks within the code an

Answer 1

Something along these lines should work:

$start = microtime(true); 

// Do something
sleep(2);

$end = (microtime(true) - $start);
echo "elapsed time: $end";