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  1. <?php
  2. error_reporting(-1);
  3.  
  4. $name = "vik";
  5.  
  6. $letters = preg_split('//u', $name, -1, PREG_SPLIT_NO_EMPTY);
  7.  
  8.  
  9. function ano($found, $letters) {
  10. 	if (empty($letters)) {
  11. 		echo $found . "\n";
  12.  
  13. 	} else {
  14. 		foreach ($letters as $num => $letter) {
  15. 			$found .= $letter;
  16. 			//echo $letters[$num] . "\n";
  17. 			unset($letters[$num]);
  18. 			//print_r($letters);
  19. 			ano($found, $letters);
  20. 		}
  21. 	}
  22.  
  23. }
  24. $here = "";
  25.  
  26. ano ($here, $letters);
Success #stdin #stdout 0.02s 52432KB
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stdin
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Standard input is empty
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vik
vik
vik
vik
https://ideone.com/RQ7hvE
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
secret

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