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  1. <?php
  2.  
  3. $input = '1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39';
  4. $inputArray = explode(',', $input);
  5. $counted = array_count_values($inputArray);
  6. print_r($counted);
Success #stdin #stdout 0.02s 52472KB
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stdin
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Standard input is empty
stdout
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Array
(
    [1] => 1
    [3] => 1
    [5] => 1
    [7] => 1
    [9] => 1
    [11] => 1
    [13] => 1
    [15] => 1
    [17] => 1
    [19] => 1
    [21] => 1
    [23] => 1
    [25] => 1
    [27] => 1
    [29] => 1
    [31] => 1
    [33] => 1
    [35] => 1
    [37] => 1
    [39] => 1
)
https://ideone.com/7l0DOa
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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