Online PHP editor | output for GNSiO

@ 2014-10-03T12:46:59Z

<?php

function lap($func) {
  $t0 = microtime(1);
  $numbers = range(0, 1000000);
  $ret = $func($numbers);
  $t1 = microtime(1);
  return array($t1 - $t0, $ret);
}

function useArray($numbers)  {
  $result = array();
  foreach ($numbers as $number) {
      $result[] = $number * 10;
  }
  return $result;
}

function useMapClosure($numbers) {
  return array_map(function($number) {
      return $number * 10;
  }, $numbers);
}

function _tenTimes($number) {
    return $number * 10;
}

function useMapNamed($numbers) {
  return array_map('_tenTimes', $numbers);
}

foreach (array('Array', 'MapClosure', 'MapNamed') as $callback) {
  list($delay,) = lap("use$callback");
  echo "$callback: $delay\n";
}

Output for 7.0.0 - 7.0.2, 7.0.4 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1: Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 33554440 bytes) in /in/GNSiO on line 14
Process exited with code 255.
Output for 7.0.3: Process exited with code 137.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40: Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/GNSiO on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/GNSiO on line 20
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/GNSiO on line 20
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `')'' in /in/GNSiO on line 20
Process exited with code 255.

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