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  1. <?php
  2.  
  3. function getDays($value)
  4. {
  5. 	$days = [
  6.         'понедельник',
  7.         'вторник',
  8.         'среда',
  9.         'четверг',
  10.         'пятница',
  11.         'суббота',
  12.         'воскресенье',
  13.     ];
  14.  
  15.     return implode(', ', array_map(function($day) use (&$days)
  16.     {
  17.     	return $days[$day - 1];
  18.     }, $value));
  19. }
  20.  
  21. function getDaysOrig($value)
  22. {
  23.     $days = [
  24.         1=>'понедельник',
  25.         2=>'вторник',
  26.         3=>'среда',
  27.         4=>'четверг',
  28.         5=>'пятница',
  29.         6=>'суббота',
  30.         7=>'воскресенье',
  31.     ];
  32.  
  33.     foreach ($value as $day) {
  34.         $result[] = $days[$day];
  35.     }
  36.  
  37.     return implode(', ',$result);
  38. }
  39.  
  40.  
  41. $t = microtime(true);
  42. for ($i = 0; $i < 90000; ++$i) {
  43. 	getDays([2, 5, 6]);
  44. }
  45. $t = microtime(true) - $t;
  46.  
  47. $tOrig = microtime(true);
  48. for ($i = 0; $i < 90000; ++$i) {
  49. 	getDaysOrig([2, 5, 6]);
  50. }
  51. $tOrig = microtime(true) - $tOrig;
  52.  
  53. echo "New: {$t}; Orig: {$tOrig}\n";
Success #stdin #stdout 1.07s 52432KB
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New: 0.63994312286377; Orig: 0.40972805023193
https://ideone.com/HrU9Gi
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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