QuickHashStringIntHash::exists()
(No version information available, might only be in Git)
This method checks whether a key is part of the hash
说明
public QuickHashStringIntHash::exists(string $key): bool
This method checks whether an entry with the provided key exists in the hash.
参数
- $key
The key of the entry to check for whether it exists in the hash.
返回值
Returns TRUE
when the entry was found, or FALSE
when the entry is not found.