The gmp_perfect_power() function is an inbuilt function in PHP that is used to check the perfect power of the number.
Syntax:
gmp_perfect_power(GMP|int|string $num): bool
Parameters: This function accepts only one parameter which is described below.
- $num: A GMP number resource representing the number you want to check for being a perfect power.
Return Value: The gmp_perfect_power() function returns the true of the perfect power existing of the number otherwise this function will return false.
Program 1: The following program demonstrates the gmp_perfect_power() function.
PHP
<?php $num = 4; if (gmp_perfect_square($num)) { echo "This is perfect square number"; } else { echo "This is not perfect square number"; } ?> |
Output:
This is perfect square number
Program 2: The following program demonstrates the gmp_perfect_power() function.
PHP
<?php $num = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]; $array_length = count($num); for ($i = 0; $i < $array_length; $i++) { $square = $num[$i] * $num[$i]; if (gmp_perfect_power($square)) { echo "This is perfect square number $square.\n"; } } ?> |
Output:
This is perfect square number 1.
This is perfect square number 4.
This is perfect square number 9.
This is perfect square number 16.
This is perfect square number 25.
This is perfect square number 36.
This is perfect square number 49.
This is perfect square number 64.
This is perfect square number 81.
This is perfect square number 100.
Reference: https://www.php.net/manual/en/function.gmp-perfect-power.php
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