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<?php
 
// your code goes here
$arr = [1, 2, 3];
$arr[0] = null;
unset($arr[1]);
var_dump($arr);

Success #stdin #stdout 0.01s 82880KB

stdin

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Standard input is empty

stdout

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array(2) {
  [0]=>
  NULL
  [2]=>
  int(3)
}

https://ideone.com/ANM36W

language:

PHP (php 7.3.5)

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public

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