gmp_perfect_power
  (PHP 7 >= 7.3.0)
gmp_perfect_power — Perfect power check
  
 
  Description
  
   gmp_perfect_power
    ( 
mixed $a
   ) : 
bool 
  
  
 
  Parameters
  
   
    - 
a
- 
     Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number. 
 
 
  Return Values
  
   Returns TRUE if a is a perfect power, FALSE otherwise.