SwishResults::seekResult

(PECL swish >= 0.1.0)

SwishResults::seekResultSet current seek pointer to the given position

说明

SwishResults::seekResult ( int $position ) : int
Warning

此函数是实验性的。此函数的表象,包括名称及其相关文档都可能在未来的 PHP 发布版本中未通知就被修改。使用本函数风险自担 。

参数

position

Zero-based position number. Cannot be less than zero.

返回值

Returns new position value on success.

错误/异常

Throws SwishException on error.

范例

Example #1 Basic SwishResults::seekResult() example

<?php

try {

    
$swish = new Swish("index.swish-e");
    
$search $swish->prepare();

    
$results $search->execute("lost");

    
var_dump($results->seekResult(0)); //this will succeed
    
var_dump($results->seekResult(100)); //this will fail

} catch (SwishException $e) {
    echo 
"Error: "$e->getMessage(), "\n";
}

?>

以上例程的输出类似于:

int(0)
Error: No more results

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