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instanceof checks parents and interfaces too (bug #34993)

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@199893 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Jakub Vrana 2005-11-03 10:17:58 +00:00
parent 900526976c
commit a7a0ce13e3
1 changed files with 5 additions and 4 deletions
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9
language/operators.xml
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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.97 $ -->
<!-- $Revision: 1.98 $ -->
<chapter id="language.operators">
<title>Operators</title>
<simpara>
@ -1111,9 +1111,10 @@ var_dump($a === $b); // bool(false)
<sect1 id="language.operators.type">
<title>Type Operators</title>
<para>
PHP has a single type operator: <literal>instanceof</literal>.
<literal>instanceof</literal> is used to determine whether a given
object is of a specified <link linkend="language.oop">object class</link>.
PHP has a single type operator: <literal>instanceof</literal> is used to
determine whether a given object, his parents or their implemented <link
linkend="language.oop5.interfaces">interfaces</link> are of a specified
<link linkend="language.oop5.basic.class">object class</link>.
</para>
<simpara>
The <literal>instanceof</literal> operator was introduced in PHP 5.