A Sample code can be shown as
<?php
echo gmp_strval(gmp_pow(4,4)); //This would give the answer as 256
?>
gmp_pow
(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
gmp_pow — Raise number into power
返回值
The new (raised) number, as a GMP number. The case of
0^0 yields 1.
示例
示例 #1 gmp_pow() example
<?php
$pow1 = gmp_pow("2", 31);
echo gmp_strval($pow1) . "\n";
$pow2 = gmp_pow("0", 0);
echo gmp_strval($pow2) . "\n";
$pow3 = gmp_pow("2", -1); // Negative exp, generates warning
echo gmp_strval($pow3) . "\n";
?>以上示例会输出：
2147483648 1
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User Contributed Notes 1 note
rahulkadukar at yahoo dot com ¶
13 years ago
