language/oop5/basic.xml
f94d903985119d3ac00f4528551df947f57b667f
f94d903985119d3ac00f4528551df947f57b667f
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@@ -139,7 +139,7 @@ Stack trace:
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<classname>AllowDynamicProperties</classname> attribute. Attempting to do so
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will trigger a compile-time error.
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</para>
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<example>
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<informalexample>
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<programlisting role="php">
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<![CDATA[
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<?php
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@@ -151,14 +151,14 @@ readonly class Foo {
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?>
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]]>
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</programlisting>
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</example>
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</informalexample>
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<para>
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As neither untyped, nor static properties can be marked with the
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As neither untyped nor static properties can be marked with the
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<literal>readonly</literal> modifier, readonly classes cannot declare
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them either:
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</para>
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<example>
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<informalexample>
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<programlisting role="php">
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<![CDATA[
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<?php
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@@ -183,7 +183,7 @@ readonly class Foo
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?>
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]]>
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</programlisting>
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</example>
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</informalexample>
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<para>
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A <modifier>readonly</modifier> class can be
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<link linkend="language.oop5.basic.extends">extended</link>
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@@ -204,7 +204,7 @@ readonly class Foo
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requirement).
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</para>
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<para>
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If a <type>string</type> containing the name of a class is used with
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If a variable containing a <type>string</type> with the name of a class is used with
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<literal>new</literal>, a new instance of that class will be created. If
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the class is in a namespace, its fully qualified name must be used when
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doing this.
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@@ -330,26 +330,27 @@ object(SimpleClass)#1 (1) {
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<programlisting role="php">
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<![CDATA[
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<?php
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class Test
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{
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static public function getNew()
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public static function getNew()
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{
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return new static;
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return new static();
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}
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}
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class Child extends Test
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{}
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class Child extends Test {}
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$obj1 = new Test();
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$obj2 = new $obj1;
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$obj1 = new Test(); // By the class name
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$obj2 = new $obj1(); // Through the variable containing an object
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var_dump($obj1 !== $obj2);
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$obj3 = Test::getNew();
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$obj3 = Test::getNew(); // By the class method
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var_dump($obj3 instanceof Test);
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$obj4 = Child::getNew();
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$obj4 = Child::getNew(); // Through a child class method
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var_dump($obj4 instanceof Child);
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?>
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]]>
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</programlisting>
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