PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: strtotime('today') vs. mktime

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Result: Discarded

The test labeled "strtotime('today')" was the faster by 0.021 seconds, (1.906% faster)

strtotime('today') 100%
mktime() 98.094%

The strtotime('today') test took 1.0793 seconds.
The mktime() test took 1.1003 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 291,879 loops for a total of 5,837,580 runs.

  • Line execution difference (0.000004) milliseconds.
  • Avg difference (1.048) milliseconds per 291,879 loops.
  • Total difference 20.97 milliseconds for 5,837,580 loops

The iteration variablity for Code 1 was (1.9690) milliseconds and Code 2 was (1.6217) milliseconds. The lower and the closer together there values are the more accurate the results are.

Code

The first test, "strtotime('today')", was:

for ($i = 0; $i < 100; $i++)
	$GLOBALS['dummy'] = strtotime('today', $GLOBALS['t']);

The second test, "mktime()", was:

for ($i = 0; $i < 100; $i++)
{
	$temp = localtime($GLOBALS['t'], true);
	$GLOBALS['dummy'] = mktime($temp['tm_hour'], $temp['tm_min'], $temp['tm_sec'], $temp['tm_mon'] + 1, $temp['tm_mday'] + 1, 1900 + $temp['tm_year']);
}

Running: Linux (x86_64:1 GB) PHP (7.2.22-1+ubuntu16.04.1+deb.sury.org+1)