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<h1 class="refname">MongoCollection::save</h1>
<p class="verinfo">(PECL mongo >=0.9.0)</p><p class="refpurpose"><span class="refname">MongoCollection::save</span> — <span class="dc-title">Saves a document to this collection</span></p>
</div>
<div class="refsect1 description" id="refsect1-mongocollection.save-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <span class="methodname"><strong>MongoCollection::save</strong></span>
( <span class="methodparam"><span class="type"><span class="type array|object">array|object</span></span> <code class="parameter">$a</code></span>
[, <span class="methodparam"><span class="type">array</span> <code class="parameter">$options</code><span class="initializer"> = array()</span></span>
] )</div>
<p class="para rdfs-comment">
If the object is from the database, update the existing database object, otherwise
insert this object.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-mongocollection.save-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term">
<em><code class="parameter">a</code></em>
</span>
<dd>
<p class="para">
Array or object to save. If an object is used, it may not have protected
or private properties.
</p>
<blockquote class="note"><p><strong class="note">Note</strong>:
<p class="para">
If the parameter does not have an <em>_id</em> key or
property, a new <a href="class.mongoid.html" class="classname">MongoId</a> instance will be created
and assigned to it. See <span class="function"><a href="mongocollection.insert.html" class="function">MongoCollection::insert()</a></span> for
additional information on this behavior.
</p>
</p></blockquote>
</dd>
</dt>
<dt>
<span class="term">
<em><code class="parameter">options</code></em>
</span>
<dd>
<p class="para">
Options for the save.
<ul class="itemizedlist">
<li class="listitem"><p class="para"><em>"fsync"</em></p><p class="para">Boolean, defaults to <strong><code>FALSE</code></strong>. If journalling is enabled, it works exactly like <em>"j"</em>. If journalling is not enabled, it forces the insert to be synced to disk before returning success. If <strong><code>TRUE</code></strong>, an acknowledged insert is implied and will override setting <em>w</em> to <em>0</em>.</p><blockquote class="note"><p><strong class="note">Note</strong>: <p class="para">This option is <em class="emphasis">deprecated</em>. Please use the <em>"j"</em> option instead.</p></p></blockquote></li>
<li class="listitem"><p class="para"><em>"j"</em></p><p class="para">Boolean, defaults to <strong><code>FALSE</code></strong>. Forces the insert to be synced to the journal before returning success. If <strong><code>TRUE</code></strong>, an acknowledged insert is implied and will override setting <em>w</em> to <em>0</em>.</p></li>
<li class="listitem"><p class="para"><em>"w"</em></p><p class="para">See <a href="mongo.writeconcerns.html" class="link">WriteConcerns</a>. The default value for <a href="class.mongoclient.html" class="classname">MongoClient</a> is <em>1</em>.</p></li>
<li class="listitem"><p class="para"><em>"wtimeout"</em></p><p class="para">How long to wait for <a href="mongo.writeconcerns.html" class="link">WriteConcern</a> acknowledgement. The default value for <a href="class.mongoclient.html" class="classname">MongoClient</a> is <em>10000</em> milliseconds.</p></li>
<li class="listitem"><p class="para"><em>"safe"</em></p><p class="para"><em class="emphasis">Deprecated</em>. Please use the <a href="mongo.writeconcerns.html" class="link">WriteConcern</a> <em>w</em> option.</p></li>
<li class="listitem"><p class="para"><em>"timeout"</em></p><p class="para">Integer, defaults to <em>MongoCursor::$timeout</em>. If acknowledged writes are used, this sets how long (in milliseconds) for the client to wait for a database response. If the database does not respond within the timeout period, a <a href="class.mongocursortimeoutexception.html" class="classname">MongoCursorTimeoutException</a> will be thrown.</p></li>
</ul>
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-mongocollection.save-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
If <em><code class="parameter">w</code></em> was set, returns an array containing the status of the save.
Otherwise, returns a boolean representing if the array was not empty (an empty array will not
be inserted).
</p>
</div>
<div class="refsect1 errors" id="refsect1-mongocollection.save-errors">
<h3 class="title">Errors/Exceptions</h3>
<p class="para">
Throws <a href="class.mongoexception.html" class="classname">MongoException</a> if the inserted document is
empty or if it contains zero-length keys. Attempting to insert an object with
protected and private properties will cause a zero-length key error.
</p>
<p class="para">Throws <a href="class.mongocursorexception.html" class="classname">MongoCursorException</a> if the "w" option is set and the write fails.</p><p class="para">Throws <a href="class.mongocursortimeoutexception.html" class="classname">MongoCursorTimeoutException</a> if the "w" option is set to a value greater than one and the operation takes longer than <var class="varname"><var class="varname">MongoCursor::$timeout</var></var> milliseconds to complete. This does not kill the operation on the server, it is a client-side timeout. The operation in <em>MongoCollection::$wtimeout</em> is milliseconds.</p>
</div>
<div class="refsect1 changelog" id="refsect1-mongocollection.save-changelog">
<h3 class="title">Changelog</h3>
<p class="para">
<table class="doctable informaltable">
<thead>
<tr>
<th>Version</th>
<th>Description</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td>1.2.0</td>
<td>Added <em>"timeout"</em> option.</td>
</tr>
<tr>
<td>1.0.11</td>
<td>
Disconnects on "not master" errors if <em>"safe"</em> is set.
</td>
</tr>
<tr>
<td>1.0.9</td>
<td>
<p class="para">
Added ability to pass integers to the <em>"safe"</em> option,
which previously only accepted booleans.
</p>
<p class="para">
Added <em>"fsync"</em> option.
</p>
</td>
</tr>
<tr>
<td>1.0.5</td>
<td>Added <em><code class="parameter">options</code></em> parameter.</td>
</tr>
</tbody>
</table>
</p>
</div>
<div class="refsect1 examples" id="refsect1-mongocollection.save-examples">
<h3 class="title">Examples</h3>
<div class="example" id="example-1465">
<p><strong>Example #1 <span class="function"><strong>MongoCollection::save()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br />$obj </span><span style="color: #007700">= array(</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: #FF8000">// insert $obj into the db<br /></span><span style="color: #0000BB">$collection</span><span style="color: #007700">-></span><span style="color: #0000BB">save</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// add another field<br /></span><span style="color: #0000BB">$obj</span><span style="color: #007700">[</span><span style="color: #DD0000">'foo'</span><span style="color: #007700">] = </span><span style="color: #DD0000">'bar'</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// $obj cannot be inserted again, causes duplicate _id error<br /></span><span style="color: #0000BB">$collection</span><span style="color: #007700">-></span><span style="color: #0000BB">insert</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// save updates $obj with the new field<br /></span><span style="color: #0000BB">$collection</span><span style="color: #007700">-></span><span style="color: #0000BB">save</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output
something similar to:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
array(2) {
["x"]=>
int(1)
["_id"]=>
object(MongoId)#4 (1) {
["$id"]=>
string(24) "50b6afe544415ed606000000"
}
}
</pre></div>
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