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  1. <?php
  2.  
  3. $raw_data = array(
  4.     "TEST1|21 мая|Y",
  5.     "TEST2|21 мая|Y",
  6.     "TEST2|21 мая|Y",
  7.     "TEST3|21 мая|N",
  8.     "TEST4|21 мая|Y",
  9.     "TEST5|1 мая|Y",
  10.     "TEST6|1 мая|Y",
  11.     "TEST7|1 мая|Y",
  12.     "TEST8|1 мая|N",
  13. );
  14.  
  15. $result = array_reduce($raw_data, function($carry, $item) {
  16. 	list(, $date, $check_result) = explode('|', $item);
  17.  
  18. 	if (!array_key_exists($date, $carry)) {
  19. 		$carry[$date] = 0;
  20. 	}
  21.  
  22. 	if ($check_result === 'Y') {
  23. 		$carry[$date]++;
  24. 	}
  25.  
  26.     return $carry;
  27. }, array());
  28.  
  29. var_dump($result);
Success #stdin #stdout 0.02s 52472KB
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Standard input is empty
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array(2) {
  ["21 мая"]=>
  int(4)
  ["1 мая"]=>
  int(3)
}
https://ideone.com/RXaYaO
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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