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。