Test: foreach/range vs. for

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Result: Discarded

The test labeled "foreach" was the faster by 0.0552 seconds, (5.185% faster)

foreach 100%

for 94.815%

The foreach test took 1.0088 seconds.
The for test took 1.0639 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 289,661 loops for a total of 5,793,220 runs.

Line execution difference (0.000010) milliseconds.
Avg difference (2.758) milliseconds per 289,661 loops.
Total difference 55.16 milliseconds for 5,793,220 loops

The iteration variablity for Code 1 was (1.0472) milliseconds and Code 2 was (3.8130) 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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