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		<id>http://wbex.ru/index.php?action=history&amp;feed=atom&amp;title=PHP%2FLanguage_Basics%2Finstanceof</id>
		<title>PHP/Language Basics/instanceof - История изменений</title>
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		<updated>2026-04-05T03:15:36Z</updated>
		<subtitle>История изменений этой страницы в вики</subtitle>
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	<entry>
		<id>http://wbex.ru/index.php?title=PHP/Language_Basics/instanceof&amp;diff=910&amp;oldid=prev</id>
		<title> в 10:37, 26 мая 2010</title>
		<link rel="alternate" type="text/html" href="http://wbex.ru/index.php?title=PHP/Language_Basics/instanceof&amp;diff=910&amp;oldid=prev"/>
				<updated>2010-05-26T10:37:26Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;ru&quot;&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Предыдущая&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Версия 10:37, 26 мая 2010&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; style=&quot;text-align: center;&quot; lang=&quot;ru&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(нет различий)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
			</entry>

	<entry>
		<id>http://wbex.ru/index.php?title=PHP/Language_Basics/instanceof&amp;diff=911&amp;oldid=prev</id>
		<title>Admin: 1 версия</title>
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				<updated>2010-05-26T07:05:40Z</updated>
		
		<summary type="html">&lt;p&gt;1 версия&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Новая страница&lt;/b&gt;&lt;/p&gt;&lt;div&gt;==Difference between instanceof and is_subclass_of( )==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;!-- start source code --&amp;gt;&lt;br /&gt;
   &lt;br /&gt;
    &amp;lt;source lang=&amp;quot;html4strict&amp;quot;&amp;gt;&lt;br /&gt;
 &lt;br /&gt;
&amp;lt;?&lt;br /&gt;
    class Dog { }&lt;br /&gt;
    class Poodle extends Dog { }&lt;br /&gt;
    $poppy = new Poodle( );&lt;br /&gt;
    print (int)($poppy instanceof Poodle);&lt;br /&gt;
    print &amp;quot;\n&amp;quot;;&lt;br /&gt;
    print (int)is_subclass_of($poppy, &amp;quot;Poodle&amp;quot;);&lt;br /&gt;
?&amp;gt;&lt;br /&gt;
  &lt;br /&gt;
  &amp;lt;/source&amp;gt;&lt;br /&gt;
    &lt;br /&gt;
   &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Using the instanceof Operator==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;!-- start source code --&amp;gt;&lt;br /&gt;
   &lt;br /&gt;
    &amp;lt;source lang=&amp;quot;html4strict&amp;quot;&amp;gt;&lt;br /&gt;
 &lt;br /&gt;
&amp;lt;?php&lt;br /&gt;
     class Math {&lt;br /&gt;
          public function add($op1, $op2) {&lt;br /&gt;
               if(($op1 instanceof Float) &amp;amp;&amp;amp; ($op2 instanceof Float)) {&lt;br /&gt;
                    return $op1-&amp;gt;getFloat() + $op2-&amp;gt;getFloat();&lt;br /&gt;
               } else {&lt;br /&gt;
                    echo &amp;quot;Must pass two Floats!\n&amp;quot;;&lt;br /&gt;
               }&lt;br /&gt;
          }&lt;br /&gt;
     }&lt;br /&gt;
?&amp;gt;&lt;br /&gt;
  &lt;br /&gt;
  &amp;lt;/source&amp;gt;&lt;/div&gt;</summary>
		<author><name>Admin</name></author>	</entry>

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