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  1. <?php
  2. class z
  3. {
  4. 	function  __toString() { return 'zzzzzzzz'; }
  5. }
  6.  
  7. $a[(string)new z()]=1;
  8.  
  9. var_dump($a);
Success #stdin #stdout 0.01s 20568KB
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Standard input is empty
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array(1) {
  ["zzzzzzzz"]=>
  int(1)
}
https://ideone.com/wo4u6Z
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
public

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