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  1. <?php
  2. /* This is my first PHP lab01 */
  3.  
  4. $n = 0;
  5. $i = 0;
  6. $s = 0;
  7.  
  8. echo "Please enter value for N: ";
  9. $n = (int)readline();
  10.  
  11. $s = 0;
  12. for($i = 1; $i <= $n; $i = $i + 1)
  13. {
  14.     if ($i % 2 == 0)
  15.     {
  16.         $s = $s + $i;
  17.         echo "Current value i=" . $i . " S=" . $s . "\n";
  18.     }
  19. }
  20.  
  21. echo "Final result suma is S=" . $s . "\n";
  22. ?>
Success #stdin #stdout 0.03s 25736KB
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Please enter value for N: Final result suma is S=0
https://ideone.com/GiCyEh
language:
PHP (php 7.3.5)
created:
14 hours ago
visibility:
public

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