Test: error_reporting(0) vs. @

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Result: Discarded

The test labeled "@ (shut up)" was the faster by 0.0238 seconds, (3.010% faster)

@ (shut up) 100%

error_reporting(0) 96.99%

The @ (shut up) test took 0.7674 seconds.
The error_reporting(0) test took 0.7912 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 146,820 loops for a total of 2,936,400 runs.

Line execution difference (0.000008) milliseconds.
Avg difference (1.191) milliseconds per 146,820 loops.
Total difference 23.81 milliseconds for 2,936,400 loops

The iteration variablity for Code 1 was (5.9065) milliseconds and Code 2 was (6.7708) 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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