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  1. <?php
  2.  
  3. // your code goes here
  4. $str = '';
  5. $parts = explode(',', $str);
  6.  
  7. var_dump($parts);
Success #stdin #stdout 0.03s 25652KB
stdin
Standard input is empty
stdout
array(1) {
  [0]=>
  string(0) ""
}