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  1. <?php
  2.  
  3. $callback = [];
  4.  
  5. list($class) = $callback + array(null);
  6.  
  7. var_dump($class);
Success #stdin #stdout 0.03s 52480KB
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NULL
https://ideone.com/jWuogJ
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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