= 0.9.2)SolrDocument::offsetExists — Checks if a particular field exists說明public SolrDocument::offsetExists(stri">

SolrDocument::offsetExists

(PECL solr >= 0.9.2)

SolrDocument::offsetExists — Checks if a particular field exists

說明

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

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

參數(shù)

fieldName

The name of the field.

返回值

成功時(shí)返回 true， 或者在失敗時(shí)返回 false。