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  1. <?php
  2.  
  3. $a = '1.2.4.3.4.3';
  4. $b = '1.4.3.2.4.3';
  5.  
  6.  
  7. $result = join('.', array_map(
  8.     function($a, $b) { return $a + $b; },
  9.     explode('.', $a),
  10.     explode('.', $b)
  11. ));
  12.  
  13.  
  14. var_dump($result);
Success #stdin #stdout 0.01s 20520KB
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Standard input is empty
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string(11) "2.6.7.5.8.6"
https://ideone.com/uzBVed
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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