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Dieses Dokument verwendet PHP-Handbuch für chinesische Websites Freigeben
(PECL solr >= 0.9.2)
SolrObject::offsetExists — Checks if the property exists
$property_name
)Checks if the property exists. This is used when the object is treated as an array.
property_name
The name of the property.
成功时返回 TRUE
, 或者在失败时返回 FALSE
。