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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. function getDaysIntersect( $value )
  41. {
  42. 	$days = [
  43.         1=> 'понедельник',
  44.         'вторник',
  45.         'среда',
  46.         'четверг',
  47.         'пятница',
  48.         'суббота',
  49.         'воскресенье',
  50.     ];
  51.  
  52. 	return implode(
  53. 		', ', 
  54. 		array_intersect_key(
  55. 			$days,
  56. 			array_flip( $value )
  57. 		)
  58. 	);
  59. }
  60.  
  61. $t = microtime(true);
  62. for ($i = 0; $i < 90000; ++$i) {
  63. 	getDays([2, 5, 6]);
  64. }
  65. $t = microtime(true) - $t;
  66.  
  67. $tOrig = microtime(true);
  68. for ($i = 0; $i < 90000; ++$i) {
  69. 	getDaysOrig([2, 5, 6]);
  70. }
  71. $tOrig = microtime(true) - $tOrig;
  72.  
  73. $tIntersect = microtime(true);
  74. for ($i = 0; $i < 90000; ++$i) {
  75. 	getDaysIntersect([2, 5, 6]);
  76. }
  77. $tIntersect = microtime(true) - $tIntersect;
  78.  
  79. echo "New: {$t}; Orig: {$tOrig}; Intersect: {$tIntersect}\n";
Success #stdin #stdout 1.41s 52472KB
comments (?)
stdin 
Standard input is empty
stdout 
New: 0.61331605911255; Orig: 0.39229488372803; Intersect: 0.38847422599792
https://ideone.com/LtjV1g
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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