PHP5中文手册·Convert GMP number to integer -- 追寻梦想＞编程乐园＞PHP 编程

说明

int gmp_intval ( resource $gmpnumber )

This function allows to convert GMP number to integer.

参数

gmpnumber: A GMP number.

返回值

An integer value of gmpnumber .

范例

Example#1 gmp_intval() example


<?php
// displays correct result
echo gmp_intval("2147483647") . "\n";

// displays wrong result, above PHP integer limit
echo gmp_intval("2147483648") . "\n";

// displays correct result
echo gmp_strval("2147483648") . "\n";
?>

上例将输出：

2147483647
2147483647
2147483648

注释

Warning

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().


	PHP5中文手册 gmp_init gmp_invert GMP PHP Manual gmp_intval (PHP 4 >= 4.0.4, PHP 5) gmp_intval — Convert GMP number to integer 说明 int gmp_intval ( resource `$gmpnumber` ) This function allows to convert GMP number to integer. 参数 `gmpnumber` A GMP number. 返回值 An integer value of `gmpnumber` . 范例 Example#1 gmp_intval() example `<?php // displays correct result echo gmp_intval("2147483647") . "\n"; // displays wrong result, above PHP integer limit echo gmp_intval("2147483648") . "\n"; // displays correct result echo gmp_strval("2147483648") . "\n"; ?>` 上例将输出： 2147483647 2147483647 2147483648 注释 Warning 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(). gmp_init gmp_invert GMP PHP Manual