QuickHashStringIntHash
PHP マニュアル

QuickHashStringIntHash::exists

This method checks whether a key is part of the hash

説明

public bool QuickHashStringIntHash::exists(string $key)

This method checks whether an entry with the provided key exists in the hash.

パラメータ

key

The key of the entry to check for whether it exists in the hash.

戻り値

Returns true when the entry was found, or false when the entry is not found.