Class Constructor

# SolrDisMaxQuery::__construct

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SolrDisMaxQuery::__construct — Class Constructor

### 说明

public function SolrDisMaxQuery::__construct(string `$q` = ?)

Class constructor initializes the object and sets the q parameter if passed

### 参数

`q`

  Search Query (q parameter)

### 返回值

### 错误／异常

Emits SolrIllegalArgumentException in case of an invalid parameter was passed.

### 示例

示例 #1 SolrDisMaxQuery::__construct() example

    <?php

    $dismaxQuery = new SolrDisMaxQuery('lucene');
    echo $dismaxQuery;

    ?>

以上示例会输出：

    q=lucene&defType=edismax

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