Sophie: php-manual-zh-5.2.4-1mdv2008.1 noarch

php-manual-zh-5.2.4-1mdv2008.1.noarch.rpm

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><H1
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>class_parents</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN215073"
></A
><P
>    (PHP 5)</P
>class_parents&nbsp;--&nbsp;
   Return the parent classes of the given class
  </DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN215076"
></A
><H2
>说明</H2
>array <B
CLASS="methodname"
>class_parents</B
> ( mixed class [, bool autoload] )<BR
></BR
><P
>&#13;   This function returns an array with the name of the parent classes of
   the given <CODE
CLASS="parameter"
>class</CODE
>.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN215089"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>class</CODE
></DT
><DD
><P
>&#13;       An object (class instance) or a string (class name).
      </P
></DD
><DT
><CODE
CLASS="parameter"
>autoload</CODE
></DT
><DD
><P
>&#13;       Whether to allow this function to load the class automatically through
       the <A
HREF="language.oop5.autoload.html"
>__autoload</A
> magic
       method. Defaults to <TT
CLASS="constant"
><B
>TRUE</B
></TT
>.
      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN215105"
></A
><H2
>返回值</H2
><P
>&#13;   Returns an array or <TT
CLASS="constant"
><B
>FALSE</B
></TT
> on error.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN215109"
></A
><H2
>更新日志</H2
><P
>&#13;   <DIV
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><P
></P
><A
NAME="AEN215112"
></A
><TABLE
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><TR
><TH
>版本</TH
><TH
>说明</TH
></TR
></THEAD
><TBODY
><TR
><TD
>5.1.0</TD
><TD
>&#13;        Added the option to pass the <CODE
CLASS="parameter"
>class</CODE
> parameter as
        a string. Added the <CODE
CLASS="parameter"
>autoload</CODE
> parameter.
       </TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN215124"
></A
><H2
>范例</H2
><P
>&#13;   <TABLE
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CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN215127"
></A
><P
><B
>例 1. <B
CLASS="function"
>class_parents()</B
> example</B
></P
><TABLE
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /><br /></font><font color="#007700">class </font><font color="#0000BB">foo </font><font color="#007700">{ }<br />class </font><font color="#0000BB">bar </font><font color="#007700">extends </font><font color="#0000BB">foo </font><font color="#007700">{}<br /><br /></font><font color="#0000BB">print_r</font><font color="#007700">(</font><font color="#0000BB">class_parents</font><font color="#007700">(new </font><font color="#0000BB">bar</font><font color="#007700">));<br /><br /></font><font color="#FF8000">// since PHP 5.1.0 you may also specify the parameter as a string<br /></font><font color="#0000BB">print_r</font><font color="#007700">(</font><font color="#0000BB">class_parents</font><font color="#007700">(</font><font color="#DD0000">'bar'</font><font color="#007700">));<br /><br /><br />function </font><font color="#0000BB">__autoload</font><font color="#007700">(</font><font color="#0000BB">$class_name</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;require_once </font><font color="#0000BB">$class_name </font><font color="#007700">. </font><font color="#DD0000">'.php'</font><font color="#007700">;<br />}<br /><br /></font><font color="#FF8000">// use __autoload to load the 'not_loaded' class<br /></font><font color="#0000BB">print_r</font><font color="#007700">(</font><font color="#0000BB">class_parents</font><font color="#007700">(</font><font color="#DD0000">'not_loaded'</font><font color="#007700">, </font><font color="#0000BB">true</font><font color="#007700">));<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
><P
>上例的输出类似于：</P
><TABLE
BORDER="0"
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><TR
><TD
><PRE
CLASS="screen"
>Array
(
    [foo] =&#62; foo
)

Array
(
    [parent_of_not_loaded] =&#62; parent_of_not_loaded
)</PRE
></TD
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></TABLE
></DIV
></TD
></TR
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>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN215133"
></A
><H2
>参见</H2
><P
>&#13;   <P
></P
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><TD
><A
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>class_implements()</B
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