nlopess Wed Oct 27 10:38:26 2004 EDT
Modified files:
/phpdoc/en/reference/classobj/functions is-subclass-of.xml
Log:
document the change in the first parameter to 'mixed'
http://cvs.php.net/diff.php/phpdoc/en/reference/classobj/functions/is-subclass-of.xml?r1=1.4&r2=1.5&ty=u
Index: phpdoc/en/reference/classobj/functions/is-subclass-of.xml
diff -u phpdoc/en/reference/classobj/functions/is-subclass-of.xml:1.4
phpdoc/en/reference/classobj/functions/is-subclass-of.xml:1.5
--- phpdoc/en/reference/classobj/functions/is-subclass-of.xml:1.4 Fri Jul 23
14:15:29 2004
+++ phpdoc/en/reference/classobj/functions/is-subclass-of.xml Wed Oct 27 10:38:25
2004
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.4 $ -->
+<!-- $Revision: 1.5 $ -->
<!-- splitted from ./en/functions/classobj.xml, last change in rev 1.4 -->
<refentry id="function.is-subclass-of">
<refnamediv>
@@ -12,7 +12,7 @@
<title>Description</title>
<methodsynopsis>
<type>bool</type><methodname>is_subclass_of</methodname>
- <methodparam><type>object</type><parameter>object</parameter></methodparam>
+ <methodparam><type>mixed</type><parameter>object</parameter></methodparam>
<methodparam><type>string</type><parameter>class_name</parameter></methodparam>
</methodsynopsis>
<para>
@@ -20,6 +20,12 @@
<parameter>object</parameter>, belongs to a class which is a
subclass of <parameter>class_name</parameter>, &false; otherwise.
</para>
+ <note>
+ <para>
+ Since PHP 5.0.3 you may also specify the <parameter>object</parameter>
+ parameter as a string (the name of the class).
+ </para>
+ </note>
<para>
<example>
<title><function>is_subclass_of</function> example</title>
@@ -47,18 +53,33 @@
} else {
echo "no, \$WFC is not a subclass of WidgetFactory\n";
}
-// Outputs "yes, $WFC is a subclass of WidgetFactory\n";
+
if (is_subclass_of($WF, 'WidgetFactory')) {
echo "yes, \$WF is a subclass of WidgetFactory\n";
} else {
echo "no, \$WF is not a subclass of WidgetFactory\n";
}
-// Outputs "no, $WF is not a subclass of WidgetFactory\n"
+
+
+// usable only since PHP 5.0.3
+if (is_subclass_of('WidgetFactory_Child', 'WidgetFactory')) {
+ echo "yes, WidgetFactory_Child is a subclass of WidgetFactory\n";
+} else {
+ echo "no, WidgetFactory_Child is not a subclass of WidgetFactory\n";
+}
?>
]]>
</programlisting>
- </example>
+ &example.outputs;
+ <screen>
+<![CDATA[
+yes, $WFC is a subclass of WidgetFactory
+no, $WF is not a subclass of WidgetFactory
+yes, WidgetFactory_Child is a subclass of WidgetFactory
+]]>
+ </screen>
+ </example>
</para>
<simpara>
See also <function>get_class</function>,
