Test: ob_start vs. not (no output)

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Result: Discarded

The test labeled "not" was the faster by 0.0017 seconds, (0.157% faster)

not 100%

ob_start() 99.843%

The not test took 1.0657 seconds.
The ob_start() test took 1.0674 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 288,367 loops for a total of 5,767,340 runs.

Line execution difference (0.000000) milliseconds.
Avg difference (0.084) milliseconds per 288,367 loops.
Total difference 1.67 milliseconds for 5,767,340 loops

The iteration variablity for Code 1 was (4.4104) milliseconds and Code 2 was (3.8006) milliseconds. The lower and the closer together there values are the more accurate the results are.

Code

The first test, "ob_start()", was:

ob_start();

for ($i = 0; $i < 20; $i++)
	$GLOBALS['dummy2'] = $i * 2;

ob_end_clean();

The second test, "not", was:

for ($i = 0; $i < 20; $i++)
	$GLOBALS['dummy2'] = $i * 2;

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