Test: generating notices vs. not

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Result: Discarded

The test labeled "notices" was the faster by 0.023 seconds, (4.100% faster)

notices 100%

clean code 95.9%

The notices test took 0.5387 seconds.
The clean code test took 0.5617 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 142,228 loops for a total of 2,844,560 runs.

Line execution difference (0.000008) milliseconds.
Avg difference (1.152) milliseconds per 142,228 loops.
Total difference 23.03 milliseconds for 2,844,560 loops

The iteration variablity for Code 1 was (2.5446) milliseconds and Code 2 was (3.5594) milliseconds. The lower and the closer together there values are the more accurate the results are.

Code

The first test, "notices", was:

for ($i = 0; $i < 100; $i++)
	$GLOBALS[dummy]++;

The second test, "clean code", was:

for ($i = 0; $i < 100; $i++)
	$GLOBALS['dummy']++;

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