<?php
require_once('stopwatch.class.php');
// initiate the class and set the start flag
$sw = new stopWatch;
// let the script sleep for half a second
usleep(500000);
// set a benchmark flag named 'step one'
$sw->setFlag('step one');
usleep(1500000);
// set a benchmark flag named 'step two'
$sw->setFlag('step two');
// let the script sleep for 3/4 seconds
usleep(750000);
// set a benchmark flag named 'step three'
$sw->setFlag('step three');
// let the script sleep for 2 seconds
usleep(2000000);
// set the stop flag
$sw->stop();
// dump setted flags during the execution of the script
print_r('<pre>');
var_dump($sw->time);
print_r('</pre>');
// print out the results programmatically
echo('<h3>Execution time TILL a given step</h3>');
echo('Execution time (in seconds) till step one: ' . $sw->till_step['step one'] . '<br>');
echo('Execution time (in seconds) till step two: ' . $sw->till_step['step two'] . '<br>');
echo('Execution time (in seconds) till step three: ' . $sw->till_step['step three'] . '<br>');
echo('Total execution time of the script: ' . $sw->time['execution_time']);
echo('<h3>Execution time OF a given step</h3>');
echo('Execution time (in seconds) of step one: ' . $sw->duration_step['step one'] . '<br>');
echo('Execution time (in seconds) of step two: ' . $sw->duration_step['step two'] . '<br>');
echo('Execution time (in seconds) of step three: ' . $sw->duration_step['step three'] . '<br>');
echo('Execution time (in seconds) from last step to the end: ' . $sw->duration_step['end'] . '<br>');
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