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Jun 22nd, 2017
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PHP 0.32 KB | None | 0 0
  1. <?php
  2.     function letraPos($palavra, $letra) {
  3.         $p = str_split($palavra);
  4.         $pos = 0;
  5.        
  6.         for ($i = 0; $i < strlen($palavra); $i++){
  7.             if ($p[$i] == $letra) {
  8.                 $a = $i;
  9.                 break;
  10.             }
  11.         }
  12.        
  13.         if (isset($a)) {
  14.             return $a;
  15.         } else {
  16.             return "Erro: a letra informada não existe nesta palavra";
  17.         }
  18.     }
  19. ?>
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