Test: foreach/range vs. for

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Result: Discarded

The test labeled "for" was the faster by 0.0435 seconds, (3.808% faster)

for 100%

foreach 96.192%

The for test took 1.0997 seconds.
The foreach test took 1.1432 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 285,812 loops for a total of 5,716,240 runs.

Line execution difference (0.000008) milliseconds.
Avg difference (2.177) milliseconds per 285,812 loops.
Total difference 43.53 milliseconds for 5,716,240 loops

The iteration variablity for Code 1 was (8.2423) milliseconds and Code 2 was (5.6565) 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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