Reputation: 25733

PHP code execution time

How to find my code execution time?

I am using the below snippet.

I am not happy with that?

list ($msec, $sec) = explode(' ', microtime());
$microtime = (float)$msec + (float)$sec;

Upvotes: 10

Answers (9)

Nabi K.A.Z.

Reputation: 10734

In LINUX:

For one simple code:

time php -r "echo 'hello';"

output:

hello
real 0m0.095s
user 0m0.033s
sys 0m0.055s

For a php file:

time php hello.php

output:

hello
real 0m0.073s
user 0m0.025s
sys 0m0.047s

Upvotes: 1

Joyal

Reputation: 2691

<?php
// Randomize sleeping time
usleep(mt_rand(100, 10000));

// As of PHP 5.4.0, REQUEST_TIME_FLOAT is available in the $_SERVER superglobal array.
// It contains the timestamp of the start of the request with microsecond precision.
$time = microtime(true) - $_SERVER["REQUEST_TIME_FLOAT"];

echo "Did nothing in $time seconds\n";
?>

Upvotes: 0

Sarfraz

Reputation: 382909

I have created this simple class for that:

class timer
{
    private $start_time = NULL;
    private $end_time = NULL;

    private function getmicrotime()
    {
      list($usec, $sec) = explode(" ", microtime());
      return ((float)$usec + (float)$sec);
    }

    function start()
    {
      $this->start_time = $this->getmicrotime();
    }

    function stop()
    {
      $this->end_time = $this->getmicrotime();
    }

    function result()
    {
        if (is_null($this->start_time))
        {
            exit('Timer: start method not called !');
            return false;
        }
        else if (is_null($this->end_time))
        {
            exit('Timer: stop method not called !');
            return false;
        }

        return round(($this->end_time - $this->start_time), 4);
    }

    # an alias of result function
    function time()
    {
        $this->result();
    }

}

To time scripts, you can put it to use like:

$timer = new timer();

$timer->start();
// your code now
$timer->stop();

// show result now
echo $timer->result();

Upvotes: 21

Flavius Stef

Reputation: 13798

If running Unix, take a look at the time command:

Upvotes: 0

Bharanikumar

Reputation: 25733

Thanks for sharing your information.

The below one also LITTLE BIT near of my solution.

function microtime_float() {
    list($usec, $sec) = explode(" ", microtime());
    return ((float)$usec + (float)$sec);
}

$time_start = microtime_float();

SOURCE CODE

$time_end = microtime_float();
$time = round($time_end - $time_start, 4);

echo "Last uncached content render took $time seconds";

Upvotes: 0

Mark Baker

Reputation: 212522

If you want the actual processor timings:

$rUsage = getrusage();
echo 'User time = '.sprintf('%.4f',($rUsage['ru_utime.tv_sec'] * 1e6 + $rUsage['ru_utime.tv_usec']) / 1e6).' seconds';
echo 'system time = '.sprintf('%.4f',($rUsage['ru_stime.tv_sec'] * 1e6 + $rUsage['ru_stime.tv_usec']) / 1e6).' seconds';

Upvotes: 2

Ondrej Slinták

Reputation: 31970

I'm using following class to determine time elapsed:

class StopWatch {
    private static $total;

    public static function start() {
        self::$total = microtime(true);
    }

    public static function elapsed() {
        return microtime(true) - self::$total;
    }
}

You just have to call StopWatch::start at the beginning and StopWatch::elapsed whenever you want to know how much time elapsed from the start.

Upvotes: 9