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" was (on average) the faster by 0.0081 seconds, (0.804% faster)

include 100%
include_once 99.196%

The include test took 0.9977 seconds.
The include_once test took 1.0058 seconds.


Each test case ran 20 random code order iterations consisting of 287,823 loops for a total of 5,756,460 runs.

  • Line execution difference (0.000001) milliseconds.
  • Avg difference (0.000) milliseconds per 287,823 loops.
  • Total difference 8.08 milliseconds for 5,756,460 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 (