get_meta_keys()
Returns a list of previously defined keys.
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Returns a list of previously defined keys.
Given a meta query, generates SQL clauses to be appended to a main query.
Retrieves the value of a metadata field for the specified object type and ID.
Retrieves metadata by meta ID.
Retrieves default metadata value for the specified meta key and object.
Retrieves raw metadata value for the specified object.
Retrieves the permalink for the month archives with year.
Deprecated functionality to retrieve a list of the most active sites.
Gets a user’s most recent post.
Checks the mu-plugins directory and retrieve all mu-plugin files with any plugin data.