Historical ResultsBased on (1) saved test runs, The test labeled "foreach" was (on average) the faster by 0.0127 seconds, (2.425% faster)
The foreach test took 0.5103 seconds.
The while (list) test took 0.523 seconds.
Each test case ran 20 random code order iterations consisting of 135,891 loops for a total of 2,717,820 runs.
- Line execution difference (0.000005) milliseconds.
- Avg difference (0.000) milliseconds per 135,891 loops.
- Total difference 12.68 milliseconds for 2,717,820 loops
The iteration variablity for Code 1 was (0.0000) milliseconds and Code 2 was (0.0000) milliseconds. The lower and the closer together there values are the more accurate the results are.
The first test, "foreach", was:
foreach ($GLOBALS['dummy'] as $v) $v + 1;
The second test, "while (list)", was:
reset($GLOBALS['dummy']); while (list(, $v) = each($GLOBALS['dummy'])) $v + 1;