PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: include vs. include_once

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Historical Results

Based on (1) saved test runs, The test labeled "include_once" was (on average) the faster by 0.024 seconds, (3.413% faster)

include_once 100%
include 96.587%

The include_once test took 0.68 seconds.
The include test took 0.704 seconds.


Each test case ran 20 random code order iterations consisting of 147,634 loops for a total of 2,952,680 runs.

  • Line execution difference (0.000008) milliseconds.
  • Avg difference (0.000) milliseconds per 147,634 loops.
  • Total difference 24.03 milliseconds for 2,952,680 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.


The first test, "include", was:


The second test, "include_once", was:


Running: Linux (x86_64:1 GB) PHP (