Test: error_reporting(0) vs. @

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Result: Saved

The test labeled "@ (shut up)" was the faster by 0.0942 seconds, (6.132% faster)

@ (shut up) 100%

error_reporting(0) 93.868%

The @ (shut up) test took 1.4418 seconds.
The error_reporting(0) test took 1.536 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 284,600 loops for a total of 5,692,000 runs.

Line execution difference (0.000017) milliseconds.
Avg difference (4.710) milliseconds per 284,600 loops.
Total difference 94.20 milliseconds for 5,692,000 loops

The iteration variablity for Code 1 was (12.1889) milliseconds and Code 2 was (12.2760) milliseconds. The lower and the closer together there values are the more accurate the results are.

Code

The first test, "@ (shut up)", was:

$temp = 0;
@$GLOBALS[dummy]++;
$GLOBALS['dummy'] = $temp;

The second test, "error_reporting(0)", was:

$temp = error_reporting(0);
$GLOBALS[dummy]++;
error_reporting($temp);

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