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<h1 class="refname">CollectionModify::replace</h1>
<p class="verinfo">(No version information available, might only be in Git)</p><p class="refpurpose"><span class="refname">CollectionModify::replace</span> — <span class="dc-title">Replace document field</span></p>
</div>
<div class="refsect1 description" id="refsect1-mysql-xdevapi-collectionmodify.replace-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type"><span class="type mysql_xdevapi\CollectionModify">mysql_xdevapi\CollectionModify</span></span> <span class="methodname"><strong>mysql_xdevapi\CollectionModify::replace</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$collection_field</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$expression_or_literal</code></span>
)</div>
<p class="para rdfs-comment">
Replace (update) a given field value with a new one.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-mysql-xdevapi-collectionmodify.replace-parameters">
<h3 class="title">Parameters</h3>
<dl>
<dt>
<code class="parameter">collection_field</code></dt>
<dd>
<p class="para">
The document path of the item to set.
</p>
</dd>
<dt>
<code class="parameter">expression_or_literal</code></dt>
<dd>
<p class="para">
The value to set on the specified attribute.
</p>
</dd>
</dl>
</div>
<div class="refsect1 returnvalues" id="refsect1-mysql-xdevapi-collectionmodify.replace-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
A CollectionModify object.
</p>
</div>
<div class="refsect1 examples" id="refsect1-mysql-xdevapi-collectionmodify.replace-examples">
<h3 class="title">Examples</h3>
<div class="example" id="example-2015">
<p><strong>Example #1 <span class="function"><strong>mysql_xdevapi\CollectionModify::replace()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$session </span><span style="color: #007700">= </span><span style="color: #0000BB">mysql_xdevapi</span><span style="color: #007700">\</span><span style="color: #0000BB">getSession</span><span style="color: #007700">(</span><span style="color: #DD0000">"mysqlx://user:password@localhost"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$session</span><span style="color: #007700">-></span><span style="color: #0000BB">sql</span><span style="color: #007700">(</span><span style="color: #DD0000">"DROP DATABASE IF EXISTS addressbook"</span><span style="color: #007700">)-></span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$session</span><span style="color: #007700">-></span><span style="color: #0000BB">sql</span><span style="color: #007700">(</span><span style="color: #DD0000">"CREATE DATABASE addressbook"</span><span style="color: #007700">)-></span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">$schema </span><span style="color: #007700">= </span><span style="color: #0000BB">$session</span><span style="color: #007700">-></span><span style="color: #0000BB">getSchema</span><span style="color: #007700">(</span><span style="color: #DD0000">"addressbook"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$collection </span><span style="color: #007700">= </span><span style="color: #0000BB">$schema</span><span style="color: #007700">-></span><span style="color: #0000BB">createCollection</span><span style="color: #007700">(</span><span style="color: #DD0000">"people"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">$collection<br /> </span><span style="color: #007700">-></span><span style="color: #0000BB">add</span><span style="color: #007700">(<br /> </span><span style="color: #DD0000">'{"name": "Bernie",<br /> "traits": ["Friend", "Brother", "Human"]}'</span><span style="color: #007700">) <br /> -></span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">$collection<br /> </span><span style="color: #007700">-></span><span style="color: #0000BB">modify</span><span style="color: #007700">(</span><span style="color: #DD0000">"name = :name"</span><span style="color: #007700">)<br /> -></span><span style="color: #0000BB">bind</span><span style="color: #007700">([</span><span style="color: #DD0000">'name' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'Bernie'</span><span style="color: #007700">])<br /> -></span><span style="color: #0000BB">replace</span><span style="color: #007700">(</span><span style="color: #DD0000">"name"</span><span style="color: #007700">, </span><span style="color: #DD0000">"Bern"</span><span style="color: #007700">)<br /> -></span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">$collection<br /> </span><span style="color: #007700">-></span><span style="color: #0000BB">find</span><span style="color: #007700">()<br /> -></span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">-></span><span style="color: #0000BB">fetchAll</span><span style="color: #007700">());<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
(
[0] => Array
(
[_id] => 00005b6b5361000000000000011b
[name] => Bern
[traits] => Array
(
[0] => Friend
[1] => Brother
[2] => Human
)
)
)
</pre></div>
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