PHP | gmp_com() Function
The gmp_com() is an inbuilt function in PHP which is used to calculate the one’s complement of a GMP number(GNU Multiple Precision : For large numbers).
Syntax:
gmp_com($num)
Parameters: This function accepts a GMP number $num as a mandatory parameter as shown in the above syntax. This parameter can be a GMP object in PHP version 5.6 and later, or we are also allowed to pass a numeric string provided that it is possible to convert that string to a number.
Return Value: This function returns a GMP number which is the one’s complement of a GMP number passed to it as parameter.
Examples:
Input : gmp_com("1235")
Output : -1236
Input : gmp_com("1234")
Output : -1235
Below programs illustrate the gmp_com() function in PHP :
Program 1: Program to calculate the one’s complement of a GMP number when numeric strings as GMP numbers are passed as arguments.
<?php// PHP program to calculate the one's complement// of a GMP number passed as arguments // strings as GMP numbers $num = "1345"; // calculate the one's complement of a GMP number$res = gmp_com($num); echo $res; ?> |
Output:
-1346
Program 2: Program to calculate the one’s complement of a GMP number when GMP number is passed as argument.
<?php// PHP program to calculate the one's complement// of a GMP number passed as arguments // creating GMP numbers using gmp_init()$num = gmp_init(132); // calculate the one's complement of a GMP number$res = gmp_com($num); echo $res; ?> |
Output:
-133
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