SolrObject::offsetExists()
(PECL solr >= 0.9.2)
Checks if the property exists
说明
public SolrObject::offsetExists(string $property_name): bool
Checks if the property exists. This is used when the object is treated as an array.
参数
- $property_name
The name of the property.
返回值
成功时返回TRUE
,或者在失败时返回FALSE
。