Test: strtr vs. str_replace on long strings
String replacement performance on a 37,500 character string.
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Based on (2) saved test runs, The test labeled "strtr()" was (on average) the faster by 0.0261 seconds, (2.973% faster)
The strtr() test took 0.8518 seconds.
The str_replace() test took 0.8779 seconds.
Nitty-Gritty
Each test case ran 20 random code order iterations consisting of 208,823 loops for a total of 4,176,450 runs.
- Line execution difference (0.000006) milliseconds.
- Avg difference (0.000) milliseconds per 208,823 loops.
- Total difference 26.10 milliseconds for 4,176,450 loops
The iteration variablity for Code 1 was (0.0000) milliseconds and Code 2 was (0.0000) milliseconds. The lower and the closer together there values are the more accurate the results are.
Code
The first test, "strtr()", was:
strtr($GLOBALS['dummy'], array('string' => 'STRING!'));
The second test, "str_replace()", was:
str_replace('string', 'STRING!', $GLOBALS['dummy']);