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  1. <?php
  2.  
  3. $memberships = array(); // Your multi-dimensional array
  4. $memberships[0] = array('Group A','something else');
  5. $memberships[1] = array('Group B','something else');
  6. $memberships[2] = array('Group B','something else');
  7. $memberships[3] = array('Group A','something else');
  8. $memberships[4] = array('Group A','something else');
  9.  
  10.     foreach($memberships as $membership)
  11.     {
  12.        $count[$membership[0]]++;
  13.     }
  14.  
  15. var_dump($count);
  16.  
  17. ?>
Success #stdin #stdout 0.02s 13112KB
comments (?)
stdin 
Standard input is empty
stdout 
array(2) {
  ["Group A"]=>
  int(3)
  ["Group B"]=>
  int(2)
}
https://ideone.com/UXEb9
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
public

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