Test: preg_split vs. explode/str_replace
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The test labeled "preg_split()" was the faster by 0.0182 seconds, (1.833% faster)
The preg_split() test took 0.9723 seconds.
The explode() test took 0.9904 seconds.
Nitty-Gritty
Each test case ran 20 random code order iterations consisting of 242,165 loops for a total of 4,843,300 runs.
- Line execution difference (0.000004) milliseconds.
- Avg difference (0.908) milliseconds per 242,165 loops.
- Total difference 18.15 milliseconds for 4,843,300 loops
The iteration variablity for Code 1 was (1.5452) milliseconds and Code 2 was (1.8758) 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']));