Test: foreach/range vs. for

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Result: Discarded

The test labeled "for" was the faster by 0.0133 seconds, (1.160% faster)

for 100%

foreach 98.84%

The for test took 1.1293 seconds.
The foreach test took 1.1426 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 280,931 loops for a total of 5,618,620 runs.

Line execution difference (0.000002) milliseconds.
Avg difference (0.663) milliseconds per 280,931 loops.
Total difference 13.25 milliseconds for 5,618,620 loops

The iteration variablity for Code 1 was (6.3880) milliseconds and Code 2 was (5.0689) 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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