function.swishresults-seekresult.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Set current seek pointer to the given position</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.swishresults-nextresult.html">SwishResults->nextResult</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.swishsearch-execute.html">SwishSearch->execute</a></div> <div class="up"><a href="ref.swish.html">Swish Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.swishresults-seekresult" class="refentry"> <div class="refnamediv"> <h1 class="refname">SwishResults->seekResult</h1> <p class="verinfo">(No version information available, might be only in CVS)</p><p class="refpurpose"><span class="refname">SwishResults->seekResult</span> — <span class="dc-title">Set current seek pointer to the given position</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">int</span> <span class="methodname"><b><b>SwishResults->seekResult</b></b></span> ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$position</tt></span> )</div> <div class="warning"><b class="warning">Warning</b><p class="simpara">This function is<em class="emphasis">EXPERIMENTAL</em>. The behaviour of this function, its name, andsurrounding documentation may change without notice in a future release of PHP.This function should be used at your own risk.</p></div> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">position</tt></i></span> <dd> <p class="para"> Zero-based position number. Cannot be less than zero. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns new position value on success. </p> </div> <div class="refsect1 errors"> <h3 class="title">Errors/Exceptions</h3> <p class="para"> Throws <b class="classname">SwishException</b> on error. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Basic <b>SwishResults->seekResult()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br /></span><span style="color: #007700">try {<br /><br /> </span><span style="color: #0000BB">$swish </span><span style="color: #007700">= new </span><span style="color: #0000BB">Swish</span><span style="color: #007700">(</span><span style="color: #DD0000">"index.swish-e"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$search </span><span style="color: #007700">= </span><span style="color: #0000BB">$swish</span><span style="color: #007700">-></span><span style="color: #0000BB">prepare</span><span style="color: #007700">();<br /><br /> </span><span style="color: #0000BB">$results </span><span style="color: #007700">= </span><span style="color: #0000BB">$search</span><span style="color: #007700">-></span><span style="color: #0000BB">execute</span><span style="color: #007700">(</span><span style="color: #DD0000">"lost"</span><span style="color: #007700">);<br /><br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$results</span><span style="color: #007700">-></span><span style="color: #0000BB">seekResult</span><span style="color: #007700">(</span><span style="color: #0000BB">0</span><span style="color: #007700">)); </span><span style="color: #FF8000">//this will succeed<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$results</span><span style="color: #007700">-></span><span style="color: #0000BB">seekResult</span><span style="color: #007700">(</span><span style="color: #0000BB">100</span><span style="color: #007700">)); </span><span style="color: #FF8000">//this will fail<br /><br /></span><span style="color: #007700">} catch (</span><span style="color: #0000BB">SwishException $e</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"Error: "</span><span style="color: #007700">, </span><span style="color: #0000BB">$e</span><span style="color: #007700">-></span><span style="color: #0000BB">getMessage</span><span style="color: #007700">(), </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output something similar to:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>int(0)Error: No more results</pre></div> </pre></div> </div> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.swishresults-nextresult.html">SwishResults->nextResult</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.swishsearch-execute.html">SwishSearch->execute</a></div> <div class="up"><a href="ref.swish.html">Swish Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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