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  1. <?php
  2.  
  3. $array = [0 => ["number", null, "274", null, null, null, null, null, null, null],
  4. 		  1 => ["step", null, "4", null, null, null, null, null, null, null],
  5. 		  19 => ["details", null, null, null, null, null, null, null, null, null]];
  6.  
  7. $new_array = array_combine(array_column($array, 0), array_column($array, 2));
  8. echo json_encode($new_array);
Success #stdin #stdout 0.02s 23260KB
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stdin
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Standard input is empty
stdout
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{"number":"274","step":"4","details":null}
https://ideone.com/pk1Rkt
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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