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<title>Update specified tuple in relation</title>
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<h1 class="refname">dbplus_update</h1>
<p class="verinfo">(PHP 4 <= 4.1.0, PECL dbplus >= 0.9)</p><p class="refpurpose"><span class="refname">dbplus_update</span> — <span class="dc-title">Update specified tuple in relation</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.dbplus-update-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">int</span> <span class="methodname"><strong>dbplus_update</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$relation</code></span>
, <span class="methodparam"><span class="type">array</span> <code class="parameter">$old</code></span>
, <span class="methodparam"><span class="type">array</span> <code class="parameter">$new</code></span>
)</div>
<p class="para rdfs-comment">
<span class="function"><strong>dbplus_update()</strong></span> replaces the <em><code class="parameter">old</code></em>
tuple with the data from the <em><code class="parameter">new</code></em> one, only if the
<em><code class="parameter">old</code></em> completely matches a tuple within
<em><code class="parameter">relation</code></em>.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.dbplus-update-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">relation</code></em></span>
<dd>
<p class="para">
A relation opened by <span class="function"><a href="function.dbplus-open.html" class="function">dbplus_open()</a></span>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">old</code></em></span>
<dd>
<p class="para">
The old tuple.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">new</code></em></span>
<dd>
<p class="para">
The new tuple.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.dbplus-update-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
</p>
</div>
<div class="refsect1 notes" id="refsect1-function.dbplus-update-notes">
<h3 class="title">Notes</h3>
<div class="warning"><strong class="warning">Warning</strong><p class="simpara">This function is
<em class="emphasis">EXPERIMENTAL</em>. The behaviour of this function, its name, and
surrounding documentation may change without notice in a future release of PHP.
This function should be used at your own risk.
</p></div>
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