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    SolrDocument::offsetExists

    (PECL solr >= 0.9.2)

    SolrDocument::offsetExists — Checks if a particular field exists

    说明

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

    Checks if a particular field exists. This is used when the object is treated as an array.

    参数

    fieldName

    The 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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