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ReflectionProperty::getDefaultValue(): note about promoted properties #5967

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lacatoire merged 2 commits into from
Oct 19, 2026
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ReflectionProperty::getDefaultValue(): note about promoted properties #5967

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ReflectionProperty::getDefaultValue(): note about promoted properties
qodelicious Oct 19, 2026
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lacatoire Oct 19, 2026
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9 changes: 9 additions & 0 deletions reference/reflection/reflectionproperty/getdefaultvalue.xml
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Expand Up @@ -30,6 +30,15 @@
between a &null; default value and an uninitialized typed property.
Use <methodname>ReflectionProperty::hasDefaultValue</methodname> to detect the difference.
</simpara>
<note>
<simpara>
For <link linkend="language.oop5.decon.constructor.promotion">promoted properties</link>,
the default value is only applied to the constructor parameter, not to the property itself,
so this method returns &null; and <methodname>ReflectionProperty::hasDefaultValue</methodname>
returns &false;. Use <methodname>ReflectionParameter::getDefaultValue</methodname>
on the matching constructor parameter to get it.
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</simpara>
</note>
</refsect1>

<refsect1 role="changelog">
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