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  1. <?php
  2. function myRound($number) {
  3.     $magnitude = abs($number);
  4.     if( $magnitude < 1000) $precision = -2;
  5.     elseif( $magnitude < 10000) $precision = -3;
  6.     else $precision = -4;
  7.  
  8.     return round($number,$precision);
  9. }
  10.  
  11. $numbers = [
  12. 	34 => 0,
  13. 	89 => 100,
  14. 	421 => 400,
  15. 	561 => 600,
  16. 	4421 => 4000,
  17. 	6701 => 7000,
  18. 	45000 => 50000,
  19. 	91000 => 90000,
  20. 	132000 => 130000
  21. ];
  22. foreach( $numbers as $input => $expected) {
  23. 	if( myRound($input) != $expected) {
  24. 		echo "FAIL: ".$input." returned ".myRound($input).", ".$expected." expected.\n";
  25. 	}
  26. }
  27. echo "Test ran successfully!";
Success #stdin #stdout 0.02s 52472KB
comments (?)
stdin 
Standard input is empty
stdout 
Test ran successfully!
https://ideone.com/HdTo8p
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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