PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: glob(no_sort) vs DirectoryIterator

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Historical Results

Based on (3) saved test runs, The test labeled "DirectoryIterator()" was (on average) the faster by 0.0061 seconds, (1.031% faster)

DirectoryIterator() 100%
glob(GLOB_NOSORT) 98.969%

The DirectoryIterator() test took 0.5843 seconds.
The glob(GLOB_NOSORT) test took 0.5904 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 145,858 loops for a total of 2,917,167 runs.

  • Line execution difference (0.000002) milliseconds.
  • Avg difference (0.000) milliseconds per 145,858 loops.
  • Total difference 6.09 milliseconds for 2,917,167 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, "DirectoryIterator()", was:

clearstatcache();
$result = array();
foreach (new DirectoryIterator($GLOBALS['basedir'] . '/tests') as $file)
{
	if ($file->isDir())
		continue;
    $result[] = $file->getFilename();
}

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 (7.2.25-1+ubuntu16.04.1+deb.sury.org+1)