<!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>The MongoDB\BSON\Undefined class (deprecated)</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="mongodb-bson-symbol.unserialize.html">MongoDB\BSON\Symbol::unserialize</a></div> <div class="next" style="text-align: right; float: right;"><a href="mongodb-bson-undefined.construct.html">MongoDB\BSON\Undefined::__construct</a></div> <div class="up"><a href="book.bson.html">MongoDB\BSON</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="class.mongodb-bson-undefined" class="reference"> <h1 class="title">The MongoDB\BSON\Undefined class (deprecated)</h1> <div class="partintro"><p class="verinfo">(mongodb >=1.4.0)</p> <div class="section" id="mongodb-bson-undefined.intro"> <h2 class="title">Introduction</h2> <p class="para"> BSON type for the "Undefined" type. This BSON type is deprecated, and this class can not be instantiated. It will be created from a BSON undefined type while converting BSON to PHP, and can also be converted back into BSON while storing documents in the database. </p> </div> <div class="section" id="mongodb-bson-undefined.synopsis"> <h2 class="title">Class synopsis</h2> <div class="classsynopsis"> <div class="ooclass"></div> <div class="classsynopsisinfo"> <span class="modifier">final</span> <span class="ooclass"> <strong class="classname">MongoDB\BSON\Undefined</strong> </span> <span class="oointerface">implements <span class="interfacename"><a href="class.mongodb-bson-type.html" class="interfacename">MongoDB\BSON\Type</a></span> </span> <span class="oointerface">, <span class="interfacename"><a href="class.serializable.html" class="interfacename">Serializable</a></span> </span> <span class="oointerface">, <span class="interfacename"><a href="class.jsonserializable.html" class="interfacename">JsonSerializable</a></span> </span> {</div> <div class="classsynopsisinfo classsynopsisinfo_comment">/* Methods */</div> <div class="methodsynopsis dc-description"> <span class="modifier">final</span> <span class="modifier">private</span> <span class="methodname"><a href="mongodb-bson-undefined.construct.html" class="methodname">__construct</a></span> ( <span class="methodparam">void</span> )</div> <div class="methodsynopsis dc-description"> <span class="modifier">final</span> <span class="modifier">public</span> <span class="type">mixed</span> <span class="methodname"><a href="mongodb-bson-undefined.jsonserialize.html" class="methodname">jsonSerialize</a></span> ( <span class="methodparam">void</span> )</div> <div class="methodsynopsis dc-description"> <span class="modifier">final</span> <span class="modifier">public</span> <span class="type">string</span> <span class="methodname"><a href="mongodb-bson-undefined.serialize.html" class="methodname">serialize</a></span> ( <span class="methodparam">void</span> )</div> <div class="methodsynopsis dc-description"> <span class="modifier">final</span> <span class="modifier">public</span> <span class="type">string</span> <span class="methodname"><a href="mongodb-bson-undefined.tostring.html" class="methodname">__toString</a></span> ( <span class="methodparam">void</span> )</div> <div class="methodsynopsis dc-description"> <span class="modifier">final</span> <span class="modifier">public</span> <span class="type">void</span> <span class="methodname"><a href="mongodb-bson-undefined.unserialize.html" class="methodname">unserialize</a></span> ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$serialized</code></span> )</div> }</div> </div> </div> <h2>Table of Contents</h2><ul class="chunklist chunklist_reference"><li><a href="mongodb-bson-undefined.construct.html">MongoDB\BSON\Undefined::__construct</a> — Construct a new Undefined (unused)</li><li><a href="mongodb-bson-undefined.jsonserialize.html">MongoDB\BSON\Undefined::jsonSerialize</a> — Returns a representation that can be converted to JSON</li><li><a href="mongodb-bson-undefined.serialize.html">MongoDB\BSON\Undefined::serialize</a> — Serialize a Undefined</li><li><a href="mongodb-bson-undefined.tostring.html">MongoDB\BSON\Undefined::__toString</a> — Returns an empty string</li><li><a href="mongodb-bson-undefined.unserialize.html">MongoDB\BSON\Undefined::unserialize</a> — Unserialize a Undefined</li></ul> </div> <hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="mongodb-bson-symbol.unserialize.html">MongoDB\BSON\Symbol::unserialize</a></div> <div class="next" style="text-align: right; float: right;"><a href="mongodb-bson-undefined.construct.html">MongoDB\BSON\Undefined::__construct</a></div> <div class="up"><a href="book.bson.html">MongoDB\BSON</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>