<!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 an object for BSON serialization</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="class.mongodb-driver-readconcern.html">MongoDB\Driver\ReadConcern</a></div> <div class="next" style="text-align: right; float: right;"><a href="mongodb-driver-readconcern.construct.html">MongoDB\Driver\ReadConcern::__construct</a></div> <div class="up"><a href="class.mongodb-driver-readconcern.html">MongoDB\Driver\ReadConcern</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="mongodb-driver-readconcern.bsonserialize" class="refentry"> <div class="refnamediv"> <h1 class="refname">MongoDB\Driver\ReadConcern::bsonSerialize</h1> <p class="verinfo">(mongodb >=1.2.0)</p><p class="refpurpose"><span class="refname">MongoDB\Driver\ReadConcern::bsonSerialize</span> — <span class="dc-title">Returns an object for BSON serialization</span></p> </div> <div class="refsect1 description" id="refsect1-mongodb-driver-readconcern.bsonserialize-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="modifier">final</span> <span class="modifier">public</span> <span class="type">object</span> <span class="methodname"><strong>MongoDB\Driver\ReadConcern::bsonSerialize</strong></span> ( <span class="methodparam">void</span> )</div> </div> <div class="refsect1 parameters" id="refsect1-mongodb-driver-readconcern.bsonserialize-parameters"> <h3 class="title">Parameters</h3> <p class="para">This function has no parameters.</p> </div> <div class="refsect1 returnvalues" id="refsect1-mongodb-driver-readconcern.bsonserialize-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns an object for serializing the ReadConcern as BSON. </p> </div> <div class="refsect1 errors" id="refsect1-mongodb-driver-readconcern.bsonserialize-errors"> <h3 class="title">Errors/Exceptions</h3> <ul class="simplelist"> <li class="member">Throws <a href="class.mongodb-driver-exception-invalidargumentexception.html" class="classname">MongoDB\Driver\Exception\InvalidArgumentException</a> on argument parsing errors.</li> </ul> </div> <div class="refsect1 examples" id="refsect1-mongodb-driver-readconcern.bsonserialize-examples"> <h3 class="title">Examples</h3> <div class="example" id="example-1717"> <p><strong>Example #1 <span class="function"><strong>MongoDB\Driver\ReadConcern::bsonSerialize()</strong></span> with empty read concern</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br /><br />$rc </span><span style="color: #007700">= new </span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">Driver</span><span style="color: #007700">\</span><span style="color: #0000BB">ReadConcern</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$rc</span><span style="color: #007700">-></span><span style="color: #0000BB">bsonSerialize</span><span style="color: #007700">());<br /><br />echo </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">, </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">toJSON</span><span style="color: #007700">(</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">fromPHP</span><span style="color: #007700">(</span><span style="color: #0000BB">$rc</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> <div class="example-contents"><p>The above example will output something similar to:</p></div> <div class="example-contents screen"> <div class="cdata"><pre> object(stdClass)#2 (0) { } { } </pre></div> </div> </div><div class="example" id="example-1718"> <p><strong>Example #2 <span class="function"><strong>MongoDB\Driver\ReadConcern::bsonSerialize()</strong></span> with local read concern</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br /><br />$rc </span><span style="color: #007700">= new </span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">Driver</span><span style="color: #007700">\</span><span style="color: #0000BB">ReadConcern</span><span style="color: #007700">(</span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">Driver</span><span style="color: #007700">\</span><span style="color: #0000BB">ReadConcern</span><span style="color: #007700">::</span><span style="color: #0000BB">LOCAL</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$rc</span><span style="color: #007700">-></span><span style="color: #0000BB">bsonSerialize</span><span style="color: #007700">());<br /><br />echo </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">BSON</span><span style="color: #007700">\</span><span style="color: #0000BB">toJSON</span><span style="color: #007700">(</span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">BSON</span><span style="color: #007700">\</span><span style="color: #0000BB">fromPHP</span><span style="color: #007700">(</span><span style="color: #0000BB">$rc</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> object(stdClass)#2 (1) { ["level"]=> string(5) "local" } { "level" : "local" } </pre></div> </div> </div> </div> <div class="refsect1 seealso" id="refsect1-mongodb-driver-readconcern.bsonserialize-seealso"> <h3 class="title">See Also</h3> <ul class="simplelist"> <li class="member"><span class="methodname"><a href="mongodb-bson-serializable.bsonserialize.html" class="methodname" rel="rdfs-seeAlso">MongoDB\BSON\Serializable::bsonSerialize()</a> - Provides an array or document to serialize as BSON</span></li> <li class="member"><a href="https://docs.mongodb.com/manual/reference/read-concern/" class="link external">» Read Concern reference</a></li> </ul> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="class.mongodb-driver-readconcern.html">MongoDB\Driver\ReadConcern</a></div> <div class="next" style="text-align: right; float: right;"><a href="mongodb-driver-readconcern.construct.html">MongoDB\Driver\ReadConcern::__construct</a></div> <div class="up"><a href="class.mongodb-driver-readconcern.html">MongoDB\Driver\ReadConcern</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>