Test: ignoring notices vs. not

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Result: Saved

The test labeled "notices" was the faster by 0.0406 seconds, (3.605% faster)

notices 100%

clean code 96.395%

The notices test took 1.0869 seconds.
The clean code test took 1.1275 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 284,745 loops for a total of 5,694,900 runs.

Line execution difference (0.000007) milliseconds.
Avg difference (2.032) milliseconds per 284,745 loops.
Total difference 40.64 milliseconds for 5,694,900 loops

The iteration variablity for Code 1 was (4.8667) milliseconds and Code 2 was (4.8069) 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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