gmp_intval

(PHP 4 >= 4.0.4, PHP 5)

gmp_intvalConvert GMP number to integer

說明

int gmp_intval ( GMP $gmpnumber )

This function converts GMP number into native PHP integers.

參數

gmpnumber

可以是一個 GMP 數據 resouce,或一個可以轉換為數值的字串。

回傳值

The integer value of gmpnumber.

範例

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";
?>

上例將輸出:

2147483647
2147483647
2147483648

註釋

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().

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