PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: glob(no_sort) vs scandir files only

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Result: Discarded

The test labeled "scandir()" was the faster by 0.027 seconds, (5.167% faster)

scandir() 100%
glob(GLOB_NOSORT) 94.833%

The scandir() test took 0.4954 seconds.
The glob(GLOB_NOSORT) test took 0.5224 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 130,551 loops for a total of 2,611,020 runs.

  • Line execution difference (0.000010) milliseconds.
  • Avg difference (1.350) milliseconds per 130,551 loops.
  • Total difference 26.99 milliseconds for 2,611,020 loops

The iteration variablity for Code 1 was (1.0117) milliseconds and Code 2 was (1.5133) milliseconds. The lower and the closer together there values are the more accurate the results are.

Code

The first test, "scandir()", was:

clearstatcache();
$result = array();
foreach (scandir($GLOBALS['basedir'] . '/tests') as $file)
{
	if (!is_dir($basedir . '/' . $file))
	{
		$result[] = $file;
	}
}

The second test, "glob(GLOB_NOSORT)", was:

clearstatcache();
$result = array();
foreach (glob($GLOBALS['basedir'] . '/tests/*', GLOB_NOSORT) as $file)
{
	if (!is_dir($file))
	{
		$result[] = $file;
	}
}

Running: Linux (x86_64:1 GB) PHP (7.2.19-1+ubuntu16.04.1+deb.sury.org+1)