Test: foreach/range vs. for

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Result: Discarded

The test labeled "foreach" was the faster by 0.1155 seconds, (8.662% faster)

foreach 100%

for 91.338%

The foreach test took 1.218 seconds.
The for test took 1.3335 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 291,625 loops for a total of 5,832,500 runs.

Line execution difference (0.000020) milliseconds.
Avg difference (5.775) milliseconds per 291,625 loops.
Total difference 115.51 milliseconds for 5,832,500 loops

The iteration variablity for Code 1 was (13.1800) milliseconds and Code 2 was (16.8197) 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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