SolrDocument::__isset

    (PECL solr >= 0.9.2)

    SolrDocument::__isset — Checks if a field exists

    说明

    public SolrDocument::__isset(string $fieldName): bool

    Checks if a field exists

    参数

    fieldName

    Name of the field.

    返回值

    成功时返回 true， 或者在失败时返回 false。

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