PHP Classes

PHP StopWatch Class: Measures script execution time between steps

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Version License PHP version Categories
stop-watch 1.0.0GNU General Publi...5.0PHP 5, Time and Date
Description 

Author

Gianluca Zanferrari

This class can measures script execution time between steps.

It can start measuring the time when a class object is created.

The class can take note of partial time for given steps and assign them a text label.

In the end it can return an array with the times it took to reach each step, as well the time between steps.

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Name: Gianluca Zanferrari <contact>
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Example

<?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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Plain text file stopwatch.class.php Class class itself
Accessible without login Plain text file stopwatch.example.php Example example

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User Comments (1)
nice work!
10 years ago (J Diamond)		70%StarStarStarStar
 

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