PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: include vs. include_once

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Historical Results

Based on (10) saved test runs, The test labeled "include" was (on average) the faster by 0.0147 seconds, (1.800% faster)

include 100%
include_once 98.2%

The include test took 0.8017 seconds.
The include_once test took 0.8164 seconds.


Each test case ran 20 random code order iterations consisting of 181,930 loops for a total of 3,638,600 runs.

  • Line execution difference (0.000004) milliseconds.
  • Avg difference (0.000) milliseconds per 181,930 loops.
  • Total difference 14.70 milliseconds for 3,638,600 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 (