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3.2 KiB
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191 lines
No EOL
3.2 KiB
HTML
<HTML
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><HEAD
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>system.methodSignature</TITLE
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.77+"><LINK
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REV="MADE"
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HREF="edd@usefulinc.com"><LINK
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REL="HOME"
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TITLE="XML-RPC for PHP"
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HREF="index.html"><LINK
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TITLE="Reserved methods"
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TITLE="Reserved methods"
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>XML-RPC for PHP: version 1.1</TH
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></TR
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WIDTH="10%"
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></TD
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><TD
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>Chapter 7. Reserved methods</TD
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><TD
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WIDTH="10%"
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><H1
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CLASS="SECT1"
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><A
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NAME="SYSMETHODSIG"
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></A
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>system.methodSignature</H1
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><P
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>This method takes one parameter, the name of a method
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implemented by the XML-RPC server.</P
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><P
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>It returns an array of possible signatures for this
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method. A signature is an array of types. The first of these
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types is the return type of the method, the rest are parameters.</P
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><P
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>Multiple signatures (ie. overloading) are permitted: this is
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the reason that an array of signatures are returned by this
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method.</P
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><P
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>Signatures themselves are restricted to the top level
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parameters expected by a method. For instance if a method
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expects one array of structs as a parameter, and it returns a
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string, its signature is simply "string, array". If it expects
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three integers, its signature is "string, int, int,
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int".</P
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><P
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> If no signature is defined for the method, a none-array value is
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returned. Therefore this is the way to test for a non-signature,
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if <TT
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CLASS="PARAMETER"
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><I
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>$resp</I
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></TT
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> below is the response object
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from a method call to <TT
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CLASS="FUNCTION"
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>system.methodSignature</TT
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>:
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</P
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><PRE
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CLASS="PROGRAMLISTING"
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>$v=$resp->value();
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if ($v->kindOf()!="array") {
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// then the method did not have a signature defined
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}
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</PRE
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><P
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> See the <TT
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CLASS="FILENAME"
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>introspect.php</TT
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> demo included in
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this distribution for an example of using this method.
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</P
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></DIV
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>Prev</A
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WIDTH="33%"
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VALIGN="top"
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>Reserved methods</TD
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>system.methodHelp</TD
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> |