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<title>Get the old value for the changed property</title>
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<h1 class="refname">SDO_DAS_Setting::getValue</h1>
<p class="verinfo">(^)</p><p class="refpurpose"><span class="refname">SDO_DAS_Setting::getValue</span> — <span class="dc-title">
Get the old value for the changed property
</span></p>
</div>
<div class="refsect1 description" id="refsect1-sdo-das-setting.getvalue-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <span class="methodname"><strong>SDO_DAS_Setting::getValue</strong></span>
( <span class="methodparam">void</span>
)</div>
<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>
<p class="para">
Returns the old value for the changed property.
This can be used by a Data Access Service when
writing updates to a data source.
The DAS uses the old value to detect conflicts by comparing
it with the current value in the data source.
If they do not match, then the data source has been updated
since the data object was originally populated, and therefore
writing any new updates risks compromising the integrity of the data.
</p>
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<div class="refsect1 parameters" id="refsect1-sdo-das-setting.getvalue-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
None.
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-sdo-das-setting.getvalue-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns the old value of the changed property.
</p>
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