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  1. <?php
  2. error_reporting(-1);
  3.  
  4. function fib($a) {
  5. 	if($a == 1) {
  6. 		return 0;
  7. 	} elseif($a == 2) {
  8. 		return 1;
  9. 	} else {
  10. 		return fib($a-1) + fib($a-2);
  11. 	}
  12. }
  13.  
  14.  
  15. $a = fib(10);
  16.  
  17. echo "$a";
Success #stdin #stdout 0.02s 24448KB
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https://ideone.com/7XCL6d
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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