PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: callback vs. if

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Historical Results

Based on (1) saved test runs, The test labeled "callback" was (on average) the faster by 0.0223 seconds, (3.069% faster)

callback 100%
if 96.931%

The callback test took 0.7038 seconds.
The if test took 0.7261 seconds.


Each test case ran 20 random code order iterations consisting of 179,128 loops for a total of 3,582,560 runs.

  • Line execution difference (0.000006) milliseconds.
  • Avg difference (0.000) milliseconds per 179,128 loops.
  • Total difference 22.29 milliseconds for 3,582,560 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 (