Test: generating notices vs. not

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Result: Discarded

The test labeled "clean code" was the faster by 0.0353 seconds, (3.539% faster)

clean code 100%

notices 96.461%

The clean code test took 0.9632 seconds.
The notices test took 0.9985 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 194,653 loops for a total of 3,893,060 runs.

Line execution difference (0.000009) milliseconds.
Avg difference (1.767) milliseconds per 194,653 loops.
Total difference 35.34 milliseconds for 3,893,060 loops

The iteration variablity for Code 1 was (8.0725) milliseconds and Code 2 was (10.9483) 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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