Test: ignoring notices vs. not

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Result: Discarded

The test labeled "notices" was the faster by 0.0247 seconds, (4.927% faster)

notices 100%

clean code 95.073%

The notices test took 0.4764 seconds.
The clean code test took 0.5011 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 135,781 loops for a total of 2,715,620 runs.

Line execution difference (0.000009) milliseconds.
Avg difference (1.234) milliseconds per 135,781 loops.
Total difference 24.69 milliseconds for 2,715,620 loops

The iteration variablity for Code 1 was (0.1220) milliseconds and Code 2 was (1.1951) 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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