Test: generating notices vs. not

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Result: Discarded

The test labeled "clean code" was the faster by 0.0473 seconds, (4.657% faster)

clean code 100%

notices 95.343%

The clean code test took 0.9694 seconds.
The notices test took 1.0167 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 186,372 loops for a total of 3,727,440 runs.

Line execution difference (0.000013) milliseconds.
Avg difference (2.367) milliseconds per 186,372 loops.
Total difference 47.35 milliseconds for 3,727,440 loops

The iteration variablity for Code 1 was (11.5139) milliseconds and Code 2 was (6.5768) 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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