<!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>Returns the hexidecimal representation of this ObjectId</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="mongodb-bson-objectid.serialize.html">MongoDB\BSON\ObjectId::serialize</a></div> <div class="next" style="text-align: right; float: right;"><a href="mongodb-bson-objectid.unserialize.html">MongoDB\BSON\ObjectId::unserialize</a></div> <div class="up"><a href="class.mongodb-bson-objectid.html">MongoDB\BSON\ObjectId</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="mongodb-bson-objectid.tostring" class="refentry"> <div class="refnamediv"> <h1 class="refname">MongoDB\BSON\ObjectId::__toString</h1> <p class="verinfo">(mongodb >=1.0.0)</p><p class="refpurpose"><span class="refname">MongoDB\BSON\ObjectId::__toString</span> — <span class="dc-title">Returns the hexidecimal representation of this ObjectId</span></p> </div> <div class="refsect1 description" id="refsect1-mongodb-bson-objectid.tostring-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="modifier">final</span> <span class="modifier">public</span> <span class="type">string</span> <span class="methodname"><strong>MongoDB\BSON\ObjectId::__toString</strong></span> ( <span class="methodparam">void</span> )</div> </div> <div class="refsect1 parameters" id="refsect1-mongodb-bson-objectid.tostring-parameters"> <h3 class="title">Parameters</h3> <p class="para">This function has no parameters.</p> </div> <div class="refsect1 returnvalues" id="refsect1-mongodb-bson-objectid.tostring-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the hexidecimal representation of this ObjectId. </p> </div> <div class="refsect1 examples" id="refsect1-mongodb-bson-objectid.tostring-examples"> <h3 class="title">Examples</h3> <div class="example" id="example-1772"> <p><strong>Example #1 <span class="function"><strong>MongoDB\BSON\ObjectId::__toString()</strong></span> example</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br /><br />var_dump</span><span style="color: #007700">((string) new </span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">BSON</span><span style="color: #007700">\</span><span style="color: #0000BB">ObjectId</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">((string) new </span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">BSON</span><span style="color: #007700">\</span><span style="color: #0000BB">ObjectId</span><span style="color: #007700">(</span><span style="color: #DD0000">'000000000000000000000001'</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> string(24) "56731b49da14d8747d701211" string(24) "000000000000000000000001" </pre></div> </div> </div> </div> <div class="refsect1 seealso" id="refsect1-mongodb-bson-objectid.tostring-seealso"> <h3 class="title">See Also</h3> <ul class="simplelist"> <li class="member"><a href="https://docs.mongodb.com/manual/reference/object-id/" class="link external">» ObjectId Reference</a></li> <li class="member"><a href="https://docs.mongodb.com/manual/reference/bson-types/#objectid" class="link external">» BSON Types: ObjectId</a></li> </ul> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="mongodb-bson-objectid.serialize.html">MongoDB\BSON\ObjectId::serialize</a></div> <div class="next" style="text-align: right; float: right;"><a href="mongodb-bson-objectid.unserialize.html">MongoDB\BSON\ObjectId::unserialize</a></div> <div class="up"><a href="class.mongodb-bson-objectid.html">MongoDB\BSON\ObjectId</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>