PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: callback vs. if

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Historical Results

Based on (2) saved test runs, The test labeled "if" was (on average) the faster by 0.0123 seconds, (1.849% faster)

if 100%
callback 98.151%

The if test took 0.6535 seconds.
The callback test took 0.6658 seconds.


Each test case ran 20 random code order iterations consisting of 162,478 loops for a total of 3,249,550 runs.

  • Line execution difference (0.000004) milliseconds.
  • Avg difference (0.000) milliseconds per 162,478 loops.
  • Total difference 12.31 milliseconds for 3,249,550 loops

The iteration variablity for Code 1 was (0.0000) milliseconds and Code 2 was (0.0000) milliseconds. The lower and the closer together there values are the more accurate the results are.


The first test, "callback", was:

if ($GLOBALS['dummy'] === 41)
	$cb = 'do_something1';
	$cb = 'do_something2';

The second test, "if", was:

$v = 'do_something1';
if ($GLOBALS['dummy'] === 41)

Running: Linux (x86_64:1 GB) PHP (