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<title>Count number of write operations in the bulk</title>
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<h1 class="refname">MongoDB\Driver\BulkWrite::count</h1>
<p class="verinfo">(mongodb >=1.0.0)</p><p class="refpurpose"><span class="refname">MongoDB\Driver\BulkWrite::count</span> — <span class="dc-title">Count number of write operations in the bulk</span></p>
</div>
<div class="refsect1 description" id="refsect1-mongodb-driver-bulkwrite.count-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">int</span> <span class="methodname"><strong>MongoDB\Driver\BulkWrite::count</strong></span>
( <span class="methodparam">void</span>
)</div>
<p class="para rdfs-comment">
Returns the number of write operations added to the
<a href="class.mongodb-driver-bulkwrite.html" class="classname">MongoDB\Driver\BulkWrite</a> object.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-mongodb-driver-bulkwrite.count-parameters">
<h3 class="title">Parameters</h3>
<p class="para">This function has no parameters.</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-mongodb-driver-bulkwrite.count-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns number of write operations added to the
<a href="class.mongodb-driver-bulkwrite.html" class="classname">MongoDB\Driver\BulkWrite</a> object.
</p>
</div>
<div class="refsect1 errors" id="refsect1-mongodb-driver-bulkwrite.count-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 changelog" id="refsect1-mongodb-driver-bulkwrite.count-changelog">
<h3 class="title">Changelog</h3>
<p class="para">
<table class="doctable informaltable">
<thead>
<tr>
<th>Version</th>
<th>Description</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td>1.2.0</td>
<td>
Returns the number of write operations added to the
<a href="class.mongodb-driver-bulkwrite.html" class="classname">MongoDB\Driver\BulkWrite</a> object. Earlier versions
returned the expected number of client-to-server roundtrips required to
execute all write operations.
</td>
</tr>
</tbody>
</table>
</p>
</div>
<div class="refsect1 examples" id="refsect1-mongodb-driver-bulkwrite.count-examples">
<h3 class="title">Examples</h3>
<div class="example" id="example-1699">
<p><strong>Example #1 <span class="function"><strong>MongoDB\Driver\BulkWrite::count()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br />$bulk </span><span style="color: #007700">= new </span><span style="color: #0000BB">MongoDB</span><span style="color: #007700">\</span><span style="color: #0000BB">Driver</span><span style="color: #007700">\</span><span style="color: #0000BB">BulkWrite</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$bulk</span><span style="color: #007700">-></span><span style="color: #0000BB">insert</span><span style="color: #007700">([</span><span style="color: #DD0000">'_id' </span><span style="color: #007700">=> </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #DD0000">'x' </span><span style="color: #007700">=> </span><span style="color: #0000BB">1</span><span style="color: #007700">]);<br /></span><span style="color: #0000BB">$bulk</span><span style="color: #007700">-></span><span style="color: #0000BB">insert</span><span style="color: #007700">([</span><span style="color: #DD0000">'_id' </span><span style="color: #007700">=> </span><span style="color: #0000BB">2</span><span style="color: #007700">, </span><span style="color: #DD0000">'x' </span><span style="color: #007700">=> </span><span style="color: #0000BB">2</span><span style="color: #007700">]);<br /></span><span style="color: #0000BB">$bulk</span><span style="color: #007700">-></span><span style="color: #0000BB">update</span><span style="color: #007700">([</span><span style="color: #DD0000">'x' </span><span style="color: #007700">=> </span><span style="color: #0000BB">2</span><span style="color: #007700">], [</span><span style="color: #DD0000">'$set' </span><span style="color: #007700">=> [</span><span style="color: #DD0000">'x' </span><span style="color: #007700">=> </span><span style="color: #0000BB">1</span><span style="color: #007700">]]);<br /></span><span style="color: #0000BB">$bulk</span><span style="color: #007700">-></span><span style="color: #0000BB">delete</span><span style="color: #007700">([</span><span style="color: #DD0000">'x' </span><span style="color: #007700">=> </span><span style="color: #0000BB">1</span><span style="color: #007700">]);<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">count</span><span style="color: #007700">(</span><span style="color: #0000BB">$bulk</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:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
int(4)
</pre></div>
</div>
</div>
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