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michael-grunder
cab0505155
In `array_zip_values_and_scores` we were blindly calling `Z_STR_P` on
the `zval` assuming it must be a string.
This isn't the case however if the user did something like this:
```php
$redis->setOption(Redis::OPT_SERIALIZER, Redis::SERIALIZER_PHP);
$redis->zAdd('zs', 3.14, ['pi', 'is', 'cool']);
// segfault when we try to get `Z_STR_P` from `['pi', 'is', 'cool']`
$redis->zRange('zs', 0, -1, true);
```
Potential fix for #2791