Test: redefine constant

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Result: Discarded

The test labeled "@define()" was the faster by 0.0655 seconds, (5.496% faster)

@define() 100%

!defined() 94.504%

The @define() test took 1.1262 seconds.
The !defined() test took 1.1917 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 271,432 loops for a total of 5,428,640 runs.

Line execution difference (0.000012) milliseconds.
Avg difference (3.275) milliseconds per 271,432 loops.
Total difference 65.50 milliseconds for 5,428,640 loops

The iteration variablity for Code 1 was (5.9326) milliseconds and Code 2 was (7.7550) milliseconds. The lower and the closer together there values are the more accurate the results are.

Code

The first test, "@define()", was:

@define('CONSTANT', $GLOBALS['dummy']);

The second test, "!defined()", was:

if (!defined('CONSTANT'))
	define('CONSTANT', $GLOBALS['dummy']);

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