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  1. <?php
  2.     function longestWord($txt) {
  3. 		$words = preg_split('#[^a-z0-9áéíóúñç]#i', $txt, -1, PREG_SPLIT_NO_EMPTY);
  4. 		usort($words, function($a, $b) { return strlen($b) - strlen($a); });
  5. 		return $words[0];
  6.     }
  7.     echo longestWord("Where did the big Elephant go?");
  8.     // prints Elephant
  9. ?>
Success #stdin #stdout 0.03s 52432KB
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stdin
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Standard input is empty
stdout
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Elephant
https://ideone.com/FsnkVW
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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