(PHP 4 >= 4.0.4, PHP 5)
gmp_intval — Convert GMP number to integer
This function allows to convert GMP number to integer.
A GMP number.
An integer value of gmpnumber.
Example #1 gmp_intval() example 以上例程会输出：
<?php
// displays correct result
echo gmp_intval("2147483647") . "
";
// displays wrong result, above PHP integer limit
echo gmp_intval("2147483648") . "
";
// displays correct result
echo gmp_strval("2147483648") . "
";
?>
2147483647
2147483647
2147483648
This function returns a useful result only if the number actually fits the PHP integer (i.e., signed long type). If you want just to print the GMP number, use gmp_strval().