Test: error_reporting(0) vs. @

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Result: Saved

The test labeled "@ (shut up)" was the faster by 0.007 seconds, (0.948% faster)

@ (shut up) 100%

error_reporting(0) 99.052%

The @ (shut up) test took 0.7369 seconds.
The error_reporting(0) test took 0.7439 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 169,193 loops for a total of 3,383,860 runs.

Line execution difference (0.000002) milliseconds.
Avg difference (0.352) milliseconds per 169,193 loops.
Total difference 7.05 milliseconds for 3,383,860 loops

The iteration variablity for Code 1 was (1.8529) milliseconds and Code 2 was (1.9641) 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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