PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: glob(no_sort) vs DirectoryIterator

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Historical Results

Based on (1) saved test runs, The test labeled "DirectoryIterator()" was (on average) the faster by 0.0163 seconds, (1.591% faster)

DirectoryIterator() 100%
glob(GLOB_NOSORT) 98.409%

The DirectoryIterator() test took 1.0108 seconds.
The glob(GLOB_NOSORT) test took 1.0272 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 289,262 loops for a total of 5,785,240 runs.

  • Line execution difference (0.000003) milliseconds.
  • Avg difference (0.000) milliseconds per 289,262 loops.
  • Total difference 16.35 milliseconds for 5,785,240 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:

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

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

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

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