PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: else if vs. elseif

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Historical Results

Based on (2) saved test runs, The test labeled "else if" was (on average) the faster by 0.0078 seconds, (1.299% faster)

else if 100%
elseif 98.701%

The else if test took 0.592 seconds.
The elseif test took 0.5998 seconds.


Each test case ran 20 random code order iterations consisting of 134,436 loops for a total of 2,688,720 runs.

  • Line execution difference (0.000003) milliseconds.
  • Avg difference (0.000) milliseconds per 134,436 loops.
  • Total difference 7.79 milliseconds for 2,688,720 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, "else if", was:

if ($GLOBALS['dummy_false'])
	$GLOBALS['dummy_false'] = true;
else if ($GLOBALS['dummy_true'])
	$GLOBALS['dummy_true'] = true;

The second test, "elseif", was:

if ($GLOBALS['dummy_false'])
	$GLOBALS['dummy_false'] = true;
elseif ($GLOBALS['dummy_true'])
	$GLOBALS['dummy_true'] = true;

Running: Linux (x86_64:1 GB) PHP (