Out of memory for zero with trailing zeros in bcmath

[jorgsowa]

Description

The following code results in Out of memory error.

https://3v4l.org/vHJkg#v8.2.7

<?php

var_dump(bcpow("0.000000000000000000000000000",737332323));

Resulted in this output:

Fatal error: Out of memory (allocated 28266496 bytes) (tried to allocate 7077891 bytes) in /in/vHJkg on line 3

But I expected this output instead:

string(1) "0"

PR fixing this issue: #11798

PHP Version

PHP 8.2

Operating System

No response