<?php
function makeTimer($label)
{
$startTime = microtime(true);
return function ($milestone) use($label, $startTime) {
$elapsedTime = (int) (microtime(true) - $startTime) * 1000;
return "({$label}: {$milestone}) elapsed time: {$elapsedTime}ms";
};
}
$timer1 = makeTimer("First Timer");
echo $timer1("At start") . "<br>";
sleep(1);
$timer2 = makeTimer("Second Timer");
echo $timer2("At start, 1s after timer1") . "<br>";
echo $timer1("After 1sec") . "<br>";
sleep(1);
echo $timer2("After 1sec") . "<br>";
echo $timer1("After another second") . "<br>";
<?php
function makeTimer($name)
{
$startTime = microtime(true);
return function ($milestone) use($name, $startTime) {
$currentElapsedTime = microtime(true) - $startTime;
return sprintf("%s (%s): %dms\n", $name, $milestone, $currentElapsedTime * 1000);
};
}
$firstTimer = makeTimer("Timer 1");
echo $firstTimer("started");
sleep(1);
$secondTimer = makeTimer("Timer 2");
echo $secondTimer("started");
echo $firstTimer("after Timer 2 started");
sleep(1);
echo $firstTimer("a coupla seconds later");
sleep(1);
echo $secondTimer("at the end");
