PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: glob(no_sort) vs DirectoryIterator

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Result: Discarded

The test labeled "DirectoryIterator()" was the faster by 0.0481 seconds, (6.449% faster)

DirectoryIterator() 100%
glob(GLOB_NOSORT) 93.551%

The DirectoryIterator() test took 0.6971 seconds.
The glob(GLOB_NOSORT) test took 0.7452 seconds.


Each test case ran 20 random code order iterations consisting of 155,647 loops for a total of 3,112,940 runs.

  • Line execution difference (0.000015) milliseconds.
  • Avg difference (2.403) milliseconds per 155,647 loops.
  • Total difference 48.05 milliseconds for 3,112,940 loops

The iteration variablity for Code 1 was (6.7568) milliseconds and Code 2 was (7.3913) milliseconds. The lower and the closer together there values are the more accurate the results are.


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

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

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

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

Running: Linux (x86_64:1 GB) PHP (