PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: list vs. [0]

These tests use an array with many values in it.

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Historical Results

Based on (2) saved test runs, The test labeled "list ($v) =" was (on average) the faster by 0.0314 seconds, (2.357% faster)

list ($v) = 100%
$array[0] 97.643%

The list ($v) = test took 1.3008 seconds.
The $array[0] test took 1.3322 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 289,537 loops for a total of 5,790,740 runs.

  • Line execution difference (0.000005) milliseconds.
  • Avg difference (0.000) milliseconds per 289,537 loops.
  • Total difference 31.39 milliseconds for 5,790,740 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, "list ($v) =", was:

list ($v) = $GLOBALS['array'];

The second test, "$array[0]", was:

$v = $GLOBALS['array'][0];

Running: Linux (x86_64:1 GB) PHP (7.2.25-1+ubuntu16.04.1+deb.sury.org+1)