PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: min/max vs. if

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Result: Discarded

The test labeled "min()/max()" was the faster by 0.1038 seconds, (11.388% faster)

min()/max() 100%
ifs 88.612%

The min()/max() test took 0.8075 seconds.
The ifs test took 0.9113 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 157,828 loops for a total of 3,156,560 runs.

  • Line execution difference (0.000033) milliseconds.
  • Avg difference (5.189) milliseconds per 157,828 loops.
  • Total difference 103.78 milliseconds for 3,156,560 loops

The iteration variablity for Code 1 was (9.3652) milliseconds and Code 2 was (7.3556) milliseconds. The lower and the closer together there values are the more accurate the results are.

Code

The first test, "min()/max()", was:

$GLOBALS['dummy'] = 83;
for ($j = 0; $j < 100; $j++)
	$GLOBALS['dummy2'] = min(50, max(20, $GLOBALS['dummy']));

The second test, "ifs", was:

$GLOBALS['dummy'] = 83;
for ($j = 0; $j < 100; $j++)
{
	if ($GLOBALS['dummy'] < 20)
		$GLOBALS['dummy2'] = 20;
	elseif ($GLOBALS['dummy'] > 50)
		$GLOBALS['dummy2'] = 50;
	else
		$GLOBALS['dummy2'] = $GLOBALS['dummy'];
}

Running: Linux (x86_64:1 GB) PHP (7.2.25-1+ubuntu16.04.1+deb.sury.org+1)