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  1. <?php
  2.  
  3. $arr = [
  4.     'itemName0' => "first Item",
  5.     'itemDesc0' => "first item's description",
  6.     'itemName1' => "second item",
  7.     'itemName2' => "third item's description",
  8.     'testKey1' => "Should be ignored",
  9.     'itemData' => "No numeric, so should also be ignored"
  10. ];
  11.  
  12. $newArray = [];
  13. foreach($arr as $key => $value) {
  14.     list($keyName, $keyNumber) = sscanf($key, 'item%[A-Za-z]%d');
  15.     if (!is_null($keyNumber)) {
  16.         $newArray[$keyNumber]['item'.$keyName] = $value;
  17.     }
  18. }
  19.  
  20. var_dump($newArray);
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(3) {
  [0]=>
  array(2) {
    ["itemName"]=>
    string(10) "first Item"
    ["itemDesc"]=>
    string(24) "first item's description"
  }
  [1]=>
  array(1) {
    ["itemName"]=>
    string(11) "second item"
  }
  [2]=>
  array(1) {
    ["itemName"]=>
    string(24) "third item's description"
  }
}
https://ideone.com/Somnqo
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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