Adds a Phrase Field (pf parameter)

# SolrDisMaxQuery::addPhraseField

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SolrDisMaxQuery::addPhraseField — Adds a Phrase Field (pf parameter)

### 说明

public function SolrDisMaxQuery::addPhraseField(string `$field`, string `$boost`, string `$slop` = ?): SolrDisMaxQuery

Adds a Phrase Field (pf parameter)

### 参数

`field`

  field name

`boost`

`slop`

### 返回值

SolrDisMaxQuery

### 示例

示例 #1 SolrDisMaxQuery::addPhraseField() example

    <?php
    $dismaxQuery = new SolrDisMaxQuery("lucene");
    $dismaxQuery
        ->addPhraseField('cat', 3, 1)
        ->addPhraseField('third', 4, 2)
        ->addPhraseField('source', 55)
    ;
    echo $dismaxQuery;
    ?>

以上示例的输出类似于：

    q=lucene&defType=edismax&pf=cat~1^3 third~2^4 source^55

### 参见

- SolrDisMaxQuery::removePhraseField() - Removes a Phrase Field (pf parameter)
- SolrDisMaxQuery::setPhraseFields() - Sets Phrase Fields and their boosts (and slops) using pf2 parameter

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