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  1. <?php
  2.  
  3. $id = '5';
  4. $arr = array(5 => 'foo');
  5.  
  6. var_dump($arr[$id]);
Success #stdin #stdout 0.02s 13112KB
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stdin
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Standard input is empty
stdout
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string(3) "foo"
https://ideone.com/7jdC5
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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