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?>
<div id="splobjectstorage.current" class="refentry">
<div class="refnamediv">
<h1 class="refname">SplObjectStorage::current</h1>
<p class="verinfo">(PHP 5 >= 5.1.0, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">SplObjectStorage::current</span> — <span class="dc-title">Returns the current storage entry</span></p>
</div>
<div class="refsect1 description" id="refsect1-splobjectstorage.current-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="methodname"><strong>SplObjectStorage::current</strong></span>(): <span class="type"><a href="language.types.object.php" class="type object">object</a></span></div>
<p class="para rdfs-comment">
Returns the current storage entry.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-splobjectstorage.current-parameters">
<h3 class="title">参数</h3>
<p class="para">此函数没有参数。</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-splobjectstorage.current-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
The <span class="type"><a href="language.types.object.php" class="type object">object</a></span> at the current iterator position.
</p>
</div>
<div class="refsect1 changelog" id="refsect1-splobjectstorage.current-changelog">
<h3 class="title">更新日志</h3>
<table class="doctable informaltable">
<thead>
<tr>
<th>版本</th>
<th>说明</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td>8.1.0</td>
<td>
<span class="function"><strong>SplObjectStorage::current()</strong></span> now throws an <span class="classname"><a href="class.error.php" class="classname">Error</a></span> exception
if the current position is invalid. Previously, <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> was returned instead.
</td>
</tr>
</tbody>
</table>
</div>
<div class="refsect1 examples" id="refsect1-splobjectstorage.current-examples">
<h3 class="title">示例</h3>
<p class="para">
<div class="example" id="example-3859">
<p><strong>示例 #1 <span class="function"><strong>SplObjectStorage::current()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$s </span><span style="color: #007700">= new </span><span style="color: #0000BB">SplObjectStorage</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">$o1 </span><span style="color: #007700">= new </span><span style="color: #0000BB">stdClass</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$o2 </span><span style="color: #007700">= new </span><span style="color: #0000BB">stdClass</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$s</span><span style="color: #007700">-></span><span style="color: #0000BB">attach</span><span style="color: #007700">(</span><span style="color: #0000BB">$o1</span><span style="color: #007700">, </span><span style="color: #DD0000">"d1"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$s</span><span style="color: #007700">-></span><span style="color: #0000BB">attach</span><span style="color: #007700">(</span><span style="color: #0000BB">$o2</span><span style="color: #007700">, </span><span style="color: #DD0000">"d2"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$s</span><span style="color: #007700">-></span><span style="color: #0000BB">rewind</span><span style="color: #007700">();<br />while(</span><span style="color: #0000BB">$s</span><span style="color: #007700">-></span><span style="color: #0000BB">valid</span><span style="color: #007700">()) {<br /> </span><span style="color: #0000BB">$index </span><span style="color: #007700">= </span><span style="color: #0000BB">$s</span><span style="color: #007700">-></span><span style="color: #0000BB">key</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">$object </span><span style="color: #007700">= </span><span style="color: #0000BB">$s</span><span style="color: #007700">-></span><span style="color: #0000BB">current</span><span style="color: #007700">(); </span><span style="color: #FF8000">// similar to current($s)<br /> </span><span style="color: #0000BB">$data </span><span style="color: #007700">= </span><span style="color: #0000BB">$s</span><span style="color: #007700">-></span><span style="color: #0000BB">getInfo</span><span style="color: #007700">();<br /><br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$object</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$s</span><span style="color: #007700">-></span><span style="color: #0000BB">next</span><span style="color: #007700">();<br />}<br /></span><span style="color: #0000BB">?></span></span></code></div>
</div>
<div class="example-contents"><p>以上示例的输出类似于：</p></div>
<div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">object(stdClass)#2 (0) {
}
string(2) "d1"
object(stdClass)#3 (0) {
}
string(2) "d2"</pre>
</div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-splobjectstorage.current-seealso">
<h3 class="title">参见</h3>
<p class="para">
<ul class="simplelist">
<li><span class="methodname"><a href="splobjectstorage.rewind.php" class="methodname" rel="rdfs-seeAlso">SplObjectStorage::rewind()</a> - Rewind the iterator to the first storage element</span></li>
<li><span class="methodname"><a href="splobjectstorage.key.php" class="methodname" rel="rdfs-seeAlso">SplObjectStorage::key()</a> - Returns the index at which the iterator currently is</span></li>
<li><span class="methodname"><a href="splobjectstorage.next.php" class="methodname" rel="rdfs-seeAlso">SplObjectStorage::next()</a> - Move to the next entry</span></li>
<li><span class="methodname"><a href="splobjectstorage.valid.php" class="methodname" rel="rdfs-seeAlso">SplObjectStorage::valid()</a> - Returns if the current iterator entry is valid</span></li>
<li><span class="methodname"><a href="splobjectstorage.getinfo.php" class="methodname" rel="rdfs-seeAlso">SplObjectStorage::getInfo()</a> - Returns the data associated with the current iterator entry</span></li>
</ul>
</p>
</div>
</div><?php manual_footer($setup); ?>