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# SwishResult->stem

(no version information, might be only in CVS)

SwishResult->stem -- Stems the given word

## 说明

array SwishResult->stem ( string word )

警告
本函数是实验性的。本函数的行为，包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随 PHP 以后的发布而改变。使用本函数风险自担。

Stems the word based on the fuzzy mode used during indexing. Each result object is linked with its index, so the results are based on this index.

## 参数

`word`

  The word to stem.

## 返回值

Returns array containing the stemmed word variants (usually just one).

## 错误／异常

Throws SwishException on error.

## 范例

例 1. Basic () example

`<?php try { $swish = new Swish("ext/swish/tests/index.swish-e"); $results = $swish->query("testing OR others"); if ($result = $results->nextResult()) { var_dump($result->stem("testing")); //the results fully depend on the stemmer used in th index var_dump($result->stem("others")); } } catch (SwishException $e) { echo "Error: ", $e->getMessage(), "\n"; } ?>`

上例的输出类似于：

    array(1) {
      [0]=>
      string(4) "test"
    }
    array(1) {
      [0]=>
      string(5) "other"
    }

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