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  1. <?php
  2.  
  3. $a = 'test';
  4. $test = ['a', 'b'];
  5. echo ${$a}[0];
Success #stdin #stdout 0.02s 24400KB
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a
https://ideone.com/er2cUB
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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