PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: file vs. file_get_contents (str)

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Historical Results

Based on (1) saved test runs, The test labeled "file()" was (on average) the faster by 0.0164 seconds, (2.901% faster)

file() 100%
file_get_contents() 97.099%

The file() test took 0.5495 seconds.
The file_get_contents() test took 0.566 seconds.


Each test case ran 20 random code order iterations consisting of 140,595 loops for a total of 2,811,900 runs.

  • Line execution difference (0.000006) milliseconds.
  • Avg difference (0.000) milliseconds per 140,595 loops.
  • Total difference 16.42 milliseconds for 2,811,900 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, "file()", was:

implode('', file('supplement/'));

The second test, "file_get_contents()", was:


Running: Linux (x86_64:1 GB) PHP (