Description
int 
gmp_cmp ( resource a, resource b)
     Returns a positive value if a > b, zero if
     a = b and a negative value if a <
     b.
    
例子 1. gmp_cmp() example 
<?php $cmp1 = gmp_cmp("1234", "1000"); // greater than $cmp2 = gmp_cmp("1000", "1234"); // less than $cmp3 = gmp_cmp("1234", "1234"); // equal to
  echo "$cmp1 $cmp2 $cmp3\n"; ?>
 |  
 
      The printout of the above program will be:
       |