<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Rewind the iterator to the first storage element</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="splobjectstorage.removeallexcept.html">SplObjectStorage::removeAllExcept</a></div> <div class="next" style="text-align: right; float: right;"><a href="splobjectstorage.serialize.html">SplObjectStorage::serialize</a></div> <div class="up"><a href="class.splobjectstorage.html">SplObjectStorage</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="splobjectstorage.rewind" class="refentry"> <div class="refnamediv"> <h1 class="refname">SplObjectStorage::rewind</h1> <p class="verinfo">(PHP 5 >= 5.1.0)</p><p class="refpurpose"><span class="refname">SplObjectStorage::rewind</span> — <span class="dc-title">Rewind the iterator to the first storage element</span></p> </div> <div class="refsect1 description" id="refsect1-splobjectstorage.rewind-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="modifier">public</span> <span class="type"><span class="type void">void</span></span> <span class="methodname"><strong>SplObjectStorage::rewind</strong></span> ( <span class="methodparam">void</span> )</div> <p class="para rdfs-comment"> Rewind the iterator to the first storage element. </p> </div> <div class="refsect1 parameters" id="refsect1-splobjectstorage.rewind-parameters"> <h3 class="title">Parameters</h3> <p class="para">This function has no parameters.</p> </div> <div class="refsect1 returnvalues" id="refsect1-splobjectstorage.rewind-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> No value is returned. </p> </div> <div class="refsect1 examples" id="refsect1-splobjectstorage.rewind-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-3825"> <p><strong>Example #1 <span class="function"><strong>SplObjectStorage::rewind()</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>The above example will output something similar to:</p></div> <div class="example-contents screen"> <div class="cdata"><pre> int(1) int(0) </pre></div> </div> </div> </p> </div> <div class="refsect1 seealso" id="refsect1-splobjectstorage.rewind-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="methodname"><a href="splobjectstorage.next.html" class="methodname" rel="rdfs-seeAlso">SplObjectStorage::next()</a> - Move to the next entry</span></li> </ul> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; 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