(PHP 4 >= 4.0.4, PHP 5, PHP 7)
Raise number into power
GMP gmp_pow ( GMP $base, int $exp )
Raise base into power exp.
Parameters:
base
The base number.
Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.
exp
The positive power to raise the base.
Returns:
The new (raised) number, as a GMP number. The case of 0^0 yields 1.
Examples:
gmp_pow() example
1 2 3 4 5 6 7 8 | <?php$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 warningecho gmp_strval($pow3) . "\n";?> |
The above example will output:
2147483648 1
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