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  1. <?php
  2. error_reporting (-1);
  3. $sum=0;
  4. $f1=1;
  5. $f2=2;
  6.  
  7. do {
  8. 	echo "$f1, ";
  9. 	$sum += $f1;
  10. 	$f3=$f1+$f2;
  11. 	$f1=$f2;
  12. 	$f2=$f3;
  13. } while ($f1 < 4000000);
  14.  
  15. echo "\nСумма - $sum";
Success #stdin #stdout 0.01s 20568KB
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stdin
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Standard input is empty
stdout
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1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765, 10946, 17711, 28657, 46368, 75025, 121393, 196418, 317811, 514229, 832040, 1346269, 2178309, 3524578, 
Сумма - 9227463
https://ideone.com/ffyRNf
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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