Online PHP editor | perf for V4uTI

@ 2017-06-29T14:10:47Z

<?php

version_compare(PHP_VERSION, '7.1', '>=') || die;

class MyClass
{
  public static function callStatic($arg, $i)
  {
    return sprintf("%s %d\n", $arg, $i);
  }

  public function callable($arg, $i)
  {
    return sprintf("%s %d\n", $arg, $i);
  }

  public static function getCallable()
  {
    return [new static(), 'callable'];
  }

  public static function getClosure()
  {
    return Closure::fromCallable([new static(), 'callable']);
  }
}

function callFunc($arg, $i)
{
  return sprintf("%s %d\n", $arg, $i);
}

$nTests = 100000;
$result = 0;
foreach([
  'callable' => MyClass::getCallable(),
  'closure ' => MyClass::getClosure(),
  'callstat' => ['MyClass', 'callStatic'],
  'csclosed' => Closure::fromCallable(['MyClass', 'callStatic']),
  'function' => 'callFunc',
  'fnclosed' => Closure::fromCallable('callFunc'),
] as $name => $function)
{
  ob_start();
  $_start = microtime(true);
  for($i = 0; $i < $nTests; $i++)
  {
    $function('callable', $i);
  }
  $_end = microtime(true);
  ob_end_clean();

  $_runtime = $_end - $_start;
  printf("%s in %.4f sec, %5.1f\n", $name, $_runtime, ($result & 1) * 100 * ($_runtime / ($_old ?? $_runtime)));
  $_old = $_runtime;
  $result++;
}

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
7.4.0	0.003	0.178	14.93
7.3.12	0.007	0.150	14.95
7.3.11	0.016	0.212	15.20
7.3.10	0.007	0.157	15.07
7.3.9	0.007	0.159	15.06
7.3.8	0.003	0.136	14.84
7.3.7	0.000	0.140	14.86
7.3.6	0.007	0.128	14.58
7.3.5	0.000	0.130	14.73
7.3.4	0.007	0.178	14.68
7.3.3	0.007	0.160	14.77
7.3.2	0.000	0.137	16.55
7.3.1	0.000	0.161	16.72
7.3.0	0.007	0.127	16.83
7.2.25	0.010	0.226	15.31
7.2.24	0.010	0.232	15.05
7.2.23	0.010	0.148	15.21
7.2.22	0.010	0.154	15.27
7.2.21	0.007	0.150	15.11
7.2.20	0.003	0.161	15.03
7.2.19	0.003	0.156	15.04
7.2.18	0.007	0.151	15.28
7.2.17	0.007	0.174	15.12
7.1.33	0.000	0.238	16.05
7.1.32	0.007	0.232	15.80
7.1.31	0.010	0.204	15.97
7.1.30	0.003	0.205	15.99
7.1.29	0.007	0.209	15.86
7.1.28	0.003	0.204	15.64
7.1.27	0.003	0.246	15.85
7.1.26	0.003	0.201	15.93
7.1.7	0.013	0.110	17.22
7.1.6	0.050	0.167	33.35
7.1.5	0.043	0.143	33.12
7.1.4	0.050	0.153	32.57
7.1.3	0.050	0.130	32.87
7.1.2	0.043	0.203	32.85
7.1.1	0.037	0.147	14.97
7.1.0	0.027	0.147	14.91
7.0.20	0.030	0.010	14.77
7.0.19	0.030	0.010	14.89
7.0.18	0.030	0.010	14.23
7.0.17	0.027	0.010	14.23
7.0.16	0.040	0.007	14.22
7.0.15	0.037	0.007	14.24
7.0.14	0.037	0.010	14.44
7.0.13	0.037	0.013	14.57
7.0.12	0.033	0.010	14.50
7.0.11	0.033	0.010	14.34
7.0.10	0.043	0.007	14.65
7.0.9	0.003	0.010	14.50
7.0.8	0.023	0.013	14.39
7.0.7	0.053	0.010	14.17
7.0.6	0.047	0.010	14.20
7.0.5	0.033	0.013	14.66
7.0.4	0.050	0.013	14.50
7.0.3	0.053	0.010	14.47
7.0.2	0.033	0.007	14.45
7.0.1	0.023	0.010	14.52
7.0.0	0.023	0.010	14.67

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