Test: ignoring notices vs. not

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Result: Discarded

The test labeled "clean code" was the faster by 0.0375 seconds, (6.169% faster)

clean code 100%

notices 93.831%

The clean code test took 0.5702 seconds.
The notices test took 0.6077 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 132,857 loops for a total of 2,657,140 runs.

Line execution difference (0.000014) milliseconds.
Avg difference (1.874) milliseconds per 132,857 loops.
Total difference 37.49 milliseconds for 2,657,140 loops

The iteration variablity for Code 1 was (4.5366) milliseconds and Code 2 was (1.8523) 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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