Question

How to get the length of a number in PHP

Answer 1

$num = 84971;

$len = $num !== 0 ? floor(log10($num) + 1) : 1; 
 
echo $len;
  
  
  
  
/*
run:
  
5
  
*/
 

 

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Answer 2

$num = 84971;

$len = strlen((string)abs($num));
 
echo $len . "\n";

echo strlen((string)abs(-981));

  
  
  
  
/*
run:
  
5
3
  
*/

 

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