<?php
// Run in your Drupal 8 root with `drush scr perf.php`
use Drupal\Component\Utility\SortArray;

$data[] = [
  0 => [
    '#type' => 'checkbox',
    '#title' => 'A',
  ],
  1 => [
    '#type' => 'checkbox',
    '#title' => 'B',
  ],
  2 => [
    '#type' => 'checkbox',
    '#title' => 'C',
    '#weight' => -1000,
  ],
];

$data[] = [
  0 => [
    '#type' => 'checkbox',
    '#title' => 'F',
  ],
  1 => [
    '#type' => 'checkbox',
    '#title' => 'E',
    '#weight' => -500,
  ],
  2 => [
    '#type' => 'checkbox',
    '#title' => 'D',
    '#weight' => -1000,
  ],
];

$data[] = [
  0 => [
    '#type' => 'checkbox',
    '#title' => 'H',
    '#weight' => -1000,
  ],
  1 => [
    '#type' => 'checkbox',
    '#title' => 'I',
    '#weight' => 500,
  ],
  2 => [
    '#type' => 'checkbox',
    '#title' => 'G',
    '#weight' => -500
  ],
];

$data[] = [
  0 => [
    '#type' => 'checkbox',
    '#title' => 'A',
    '#weight' => 0,
  ],
  1 => [
    '#type' => 'checkbox',
    '#title' => 'A',
    '#weight' => 0,
  ],
  2 => [
    '#type' => 'checkbox',
    '#title' => 'A',
    '#weight' => 0,
  ],
];

$alpha = [];
foreach (range('a', 'z') as $letter) {
  $alpha[] = [
    '#type' => 'checkbox',
    '#title' => $letter,
    '#weight' => 0,
  ];
}
$data[] = $alpha;

$numeric = [];
foreach (range(1, 10000) as $num) {
  $numeric[] = [
    '#type' => 'checkbox',
    '#title' => 'A',
    '#weight' => $num,
  ];
}
$data[] = $numeric;


// Run these separately to avoid garbagec collection or other PHP interference.
// $start = microtime(TRUE);
// foreach ($data as $test_data) {
//   SortArray::suasort($test_data, ['Drupal\Component\Utility\SortArray', 'sortByWeightProperty']);
//   SortArray::suasort($test_data, ['Drupal\Component\Utility\SortArray', 'sortByTitleProperty']);
// }
// print 'SortArray::suasort: ' . round(microtime(TRUE) - $start, 5) . " seconds\n";

// Run these separately to avoid garbagec collection or other PHP interference.
$start = microtime(TRUE);
foreach ($data as $test_data) {
  uasort($test_data, ['Drupal\Component\Utility\SortArray', 'sortByWeightProperty']);
  uasort($test_data, ['Drupal\Component\Utility\SortArray', 'sortByTitleProperty']);
}
print 'uasort: ' . round(microtime(TRUE) - $start, 5) . " seconds\n";