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Override: document usage with properties (PHP 8.5) #4821

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Override: document usage with properties (PHP 8.5) #4821

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60 changes: 54 additions & 6 deletions language/predefined/attributes/override.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -8,12 +8,12 @@
<section xml:id="override.intro">
&reftitle.intro;
<simpara>
This attribute is used to indicate that a method is intended
to override a method of a parent class or that it implements
a method defined in an interface.
This attribute is used to indicate that a method or a property is intended
to override a method or a property of a parent class or that it implements
a method or a property defined in an interface.
</simpara>
<simpara>
If no method with the same name exists in a parent class or
If no method or property with the same name exists in a parent class or
in an implemented interface a compile-time error will be
emitted.
</simpara>
Expand Down Expand Up @@ -41,9 +41,32 @@

</section>

<section role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>8.5.0</entry>
<entry>
<classname>Override</classname> can be applied to properties.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</section>

<section>
&reftitle.examples;
<informalexample>
<example>
<title>Usage with methods</title>
<programlisting role="php">
<![CDATA[
<?php
Expand All @@ -66,7 +89,32 @@ final class Extended extends Base {
Fatal error: Extended::boo() has #[\Override] attribute, but no matching parent method exists
]]>
</screen>
</informalexample>
</example>
<example>
<title>Usage with properties</title>
<programlisting role="php">
<![CDATA[
<?php

class Base {
protected string $foo;
}

final class Extended extends Base {
#[\Override]
protected string $boo;
}

?>
]]>
</programlisting>
&example.outputs.85.similar;
<screen>
<![CDATA[
Fatal error: Extended::$boo has #[\Override] attribute, but no matching parent property exists
]]>
</screen>
</example>
</section>

<section xml:id="override.seealso">
Expand Down
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