Test: preg_split vs. explode/str_replace
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The test labeled "preg_split()" was the faster by 0.055 seconds, (7.925% faster)
The preg_split() test took 0.6388 seconds.
The explode() test took 0.6938 seconds.
Nitty-Gritty
Each test case ran 20 random code order iterations consisting of 133,693 loops for a total of 2,673,860 runs.
- Line execution difference (0.000021) milliseconds.
- Avg difference (2.749) milliseconds per 133,693 loops.
- Total difference 54.98 milliseconds for 2,673,860 loops
The iteration variablity for Code 1 was (7.1913) milliseconds and Code 2 was (9.0769) milliseconds. The lower and the closer together there values are the more accurate the results are.
Code
The first test, "preg_split()", was:
$GLOBALS['dummy2'] = preg_split('~\r\n|\r|\n~', $GLOBALS['dummy']);
The second test, "explode()", was:
$GLOBALS['dummy2'] = explode("\n", str_replace(array("\r\n", "\r"), "\n", $GLOBALS['dummy']));