Perfect power check

# gmp_perfect_power

(PHP 7 >= 7.3.0, PHP 8)

gmp_perfect_power — Perfect power check

### Description

gmp_perfect_power(GMP|int|string `$num`): bool

Checks whether `num` is a perfect power.

### Parameters

`num`

  A GMP object, an int, or a string that can be interpreted as a number following the same logic as if the string was used in gmp_init() with automatic base detection (i.e. when `base` is equal to 0).

### Return Values

Returns `true` if `num` is a perfect power, `false` otherwise.

### See Also

- gmp_perfect_square() - Perfect square check

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