Test: generating notices vs. not

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Result: Discarded

The test labeled "clean code" was the faster by 0.01 seconds, (2.161% faster)

clean code 100%

notices 97.839%

The clean code test took 0.4532 seconds.
The notices test took 0.4632 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 131,113 loops for a total of 2,622,260 runs.

Line execution difference (0.000004) milliseconds.
Avg difference (0.500) milliseconds per 131,113 loops.
Total difference 10.01 milliseconds for 2,622,260 loops

The iteration variablity for Code 1 was (0.9529) milliseconds and Code 2 was (0.0769) 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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