PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: many create_function vs. eval

No Description

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Result: Discarded

The test labeled "eval()" was the faster by 0.0378 seconds, (2.846% faster)

eval() 100%
create_function() 97.154%

The eval() test took 1.2898 seconds.
The create_function() test took 1.3276 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 286,496 loops for a total of 5,729,920 runs.

  • Line execution difference (0.000007) milliseconds.
  • Avg difference (1.889) milliseconds per 286,496 loops.
  • Total difference 37.79 milliseconds for 5,729,920 loops

The iteration variablity for Code 1 was (11.2464) milliseconds and Code 2 was (12.5851) milliseconds. The lower and the closer together there values are the more accurate the results are.

Code

The first test, "eval()", was:

eval('
	$x = 0;
	$x += 5;

	if ($x >= 5)
		$x = 0;

	$x;
	$x;');

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

$GLOBALS['dummy'] = create_function('', '
	$x = 0;
	$x += 5;

	if ($x >= 5)
		$x = 0;

	$x;
	$x;');
$GLOBALS['dummy']();

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