gmp_legendre
    (PHP 4 >= 4.0.4, PHP 5)
gmp_legendre -- Legendre symbol
Description
int 
gmp_legendre ( resource a, resource p)
     Compute the
     
     Legendre symbol of a and
     p. p should be odd
     and must be positive.
    
Example 1. gmp_legendre() example 
<?php echo gmp_legendre("1", "3") . "\n"; echo gmp_legendre("2", "3") . "\n"; ?>
 |  
 
      The printout of the above program will be:
       |