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  1. <?php
  2.  
  3. function strposNth($texto, $procurar, $n){
  4. 	switch($n){
  5. 		case $n === 0:
  6. 			return false;
  7. 			break;
  8. 		case $n === 1:
  9. 			return(strpos($texto, $encontrar) + 1);
  10. 			break;
  11. 		default:
  12. 			return(strpos($texto, $procurar, strposNth($texto, $procurar, $n - 1) +
  13. 			strlen($procurar)) + 1);
  14. 			break;
  15. 	}
  16. }
  17.  
  18. echo strposNth("overflow", "o", 2);
  19.  
  20.  
  21.  
Success #stdin #stdout #stderr 0.02s 24448KB
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stdin
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Standard input is empty
stdout
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7
stderr
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PHP Notice:  Undefined variable: encontrar in /home/85I0Ey/prog.php on line 9
https://ideone.com/2dGtj5
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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