Test: foreach/range vs. for

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Result: Discarded

The test labeled "foreach" was the faster by 0.0172 seconds, (1.619% faster)

foreach 100%

for 98.381%

The foreach test took 1.0459 seconds.
The for test took 1.0631 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 255,050 loops for a total of 5,101,000 runs.

Line execution difference (0.000003) milliseconds.
Avg difference (0.861) milliseconds per 255,050 loops.
Total difference 17.22 milliseconds for 5,101,000 loops

The iteration variablity for Code 1 was (2.8644) milliseconds and Code 2 was (2.5723) milliseconds. The lower and the closer together there values are the more accurate the results are.

Code

The first test, "foreach", was:

$range = range(0, 100);
foreach ($range as $n)
	$GLOBALS['dummy'] = $n;

The second test, "for", was:

for ($n = 0; $n <= 100; $n++)
	$GLOBALS['dummy'] = $n;

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