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Reverse dynamic static calls related DOC

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@241268 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Etienne Kneuss 2007-08-15 15:41:29 +00:00
parent 9ef25b12f5
commit 5ee8366690
3 changed files with 8 additions and 33 deletions
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17
language/oop5/constants.xml
View file

@ -1,21 +1,20 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.9 $ -->
<!-- $Revision: 1.10 $ -->
<sect1 xml:id="language.oop5.constants" xmlns="http://docbook.org/ns/docbook">
<title>Class Constants</title>
<para>
It is possible to define constant values on a per-class basis remaining the
same and unchangeable. Constants differ from normal variables in that you
don't use the <varname>$</varname> symbol to declare or use them.
don't use the <varname>$</varname> symbol to declare or use them. Like
<link linkend="language.oop5.static">static</link> members, constant values
cannot be accessed from an instance of the object (using
<literal>$object::constant</literal>).
</para>
<para>
The value must be a constant expression, not (for example) a variable, a
class member, result of a mathematical operation or a function call.
</para>
<para>
As of PHP 5.2.4, it's possible to reference the class using a variable.
</para>
<example>
<title>Defining and using a constant</title>
<programlisting role="php">
@ -32,13 +31,9 @@ class MyClass
echo MyClass::constant . "\n";
$classname = "MyClass";
echo $classname::constant . "\n";
$class = new MyClass();
$class->showConstant();
echo $class::constant."\n";
// echo $class::constant; is not allowed
?>
]]>
</programlisting>

12
language/oop5/paamayim-nekudotayim.xml
View file

@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.9 $ -->
<!-- $Revision: 1.10 $ -->
<sect1 xml:id="language.oop5.paamayim-nekudotayim" xmlns="http://docbook.org/ns/docbook">
<title>Scope Resolution Operator (::)</title>
@ -16,10 +16,6 @@
the name of the class.
</para>
<para>
As of PHP 5.2.4, it's possible to reference the class using a variable.
</para>
<para>
Paamayim Nekudotayim would, at first, seem like a strange choice for
naming a double-colon. However, while writing the Zend Engine 0.5
@ -36,9 +32,6 @@ class MyClass {
const CONST_VALUE = 'A constant value';
}
$classname = 'MyClass';
echo $classname::CONST_VALUE;
echo MyClass::CONST_VALUE;
?>
]]>
@ -65,9 +58,6 @@ class OtherClass extends MyClass
}
}
$classname = 'OtherClass';
echo $classname::doubleColon();
OtherClass::doubleColon();
?>
]]>

12
language/oop5/static.xml
View file

@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.12 $ -->
<!-- $Revision: 1.13 $ -->
<sect1 xml:id="language.oop5.static" xmlns="http://docbook.org/ns/docbook">
<title>Static Keyword</title>
@ -32,10 +32,6 @@
Calling non-static methods statically generates an E_STRICT level warning.
</para>
<para>
As of PHP 5.2.4, it's possible to reference the class using a variable.
</para>
<example>
<title>Static member example</title>
<programlisting role="php">
@ -69,9 +65,6 @@ print $foo->my_static . "\n"; // Undefined "Property" my_static
print Bar::$my_static . "\n";
$bar = new Bar();
print $bar->fooStatic() . "\n";
$classname = "Bar";
print $classname::$my_static;
?>
]]>
</programlisting>
@ -89,9 +82,6 @@ class Foo {
}
Foo::aStaticMethod();
$classname = "Foo";
print $classname::aStaticMethod();
?>
]]>
</programlisting>