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Dokumen ini menggunakan Manual laman web PHP Cina Lepaskan
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QuickHashStringIntHash::exists — This method checks whether a key is part of the hash
$key
)This method checks whether an entry with the provided key exists in the hash.
key
The key of the entry to check for whether it exists in the hash.
Returns TRUE
when the entry was found, or FALSE
when the entry is not
found.