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  1. <?php
  2.  
  3. $a = new FileSystemIterator(__DIR__);
  4. $b = new ArrayObject(['a' => 1]);
  5. $c = new SplStack;
  6.  
  7.  
  8. var_dump($a instanceof Traversable);
  9. var_dump($b instanceof Traversable);
  10. var_dump($c instanceof Traversable);
Success #stdin #stdout 0.01s 52488KB
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stdin
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Standard input is empty
stdout
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bool(true)
bool(true)
bool(true)
https://ideone.com/uWDMJh
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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