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>xml_set_external_entity_ref_handler</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN96390"
></A
><P
>    (PHP 3&#62;= 3.0.6, PHP 4 )</P
>xml_set_external_entity_ref_handler&nbsp;--&nbsp;set up external entity reference handler</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN96393"
></A
><H2
>Description</H2
>bool <B
CLASS="methodname"
>xml_set_external_entity_ref_handler</B
> ( resource parser, string handler)<BR
></BR
><P
>&#13;     Sets the external entity reference handler function for the XML parser
     <TT
CLASS="parameter"
><I
>parser</I
></TT
>.  <TT
CLASS="parameter"
><I
>handler</I
></TT
> is
     a string containing the name of a function that must exist when
     <A
HREF="function.xml-parse.html"
><B
CLASS="function"
>xml_parse()</B
></A
> is called for
     <TT
CLASS="parameter"
><I
>parser</I
></TT
>.
    </P
><P
>&#13;     The function named by <TT
CLASS="parameter"
><I
>handler</I
></TT
> must accept
     five parameters, and should return an integer value.  If the
     value returned from the handler is <TT
CLASS="constant"
><B
>FALSE</B
></TT
> (which it will be if no
     value is returned), the XML parser will stop parsing and
     <A
HREF="function.xml-get-error-code.html"
><B
CLASS="function"
>xml_get_error_code()</B
></A
> will return <SPAN
CLASS="systemitem"
>XML_ERROR_EXTERNAL_ENTITY_HANDLING</SPAN
>.
     <B
CLASS="methodname"
><TT
CLASS="replaceable"
><I
>handler</I
></TT
></B
> ( resource parser, string open_entity_names, string base, string system_id, string public_id)<BR
></BR
>
     <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><TT
CLASS="parameter"
><I
>parser</I
></TT
></DT
><DD
><P
>&#13;         The first parameter, <TT
CLASS="replaceable"
><I
>parser</I
></TT
>, is a
         reference to the XML parser calling the handler.
        </P
></DD
><DT
><TT
CLASS="parameter"
><I
>open_entity_names</I
></TT
></DT
><DD
><P
>&#13;         The second parameter, <TT
CLASS="parameter"
><I
>open_entity_names</I
></TT
>, is a
         space-separated list of the names of the entities that are open for
         the parse of this entity (including the name of the referenced
         entity).
        </P
></DD
><DT
><TT
CLASS="parameter"
><I
>base</I
></TT
></DT
><DD
><P
>&#13;         This is the base for resolving the system identifier
         (<TT
CLASS="parameter"
><I
>system_id</I
></TT
>) of the external entity.  Currently
         this parameter will always be set to an empty string.
        </P
></DD
><DT
><TT
CLASS="parameter"
><I
>system_id</I
></TT
></DT
><DD
><P
>&#13;         The fourth parameter, <TT
CLASS="parameter"
><I
>system_id</I
></TT
>, is the
         system identifier as specified in the entity declaration.
        </P
></DD
><DT
><TT
CLASS="parameter"
><I
>public_id</I
></TT
></DT
><DD
><P
>&#13;         The fifth parameter, <TT
CLASS="parameter"
><I
>public_id</I
></TT
>, is the
         public identifier as specified in the entity declaration, or
         an empty string if none was specified; the whitespace in the
         public identifier will have been normalized as required by
         the XML spec.
        </P
></DD
></DL
></DIV
>
    </P
><P
>&#13;     If a handler function is set to an empty string, or <TT
CLASS="constant"
><B
>FALSE</B
></TT
>, the handler
     in question is disabled.
    </P
><P
>&#13;     <TT
CLASS="constant"
><B
>TRUE</B
></TT
> is returned if the handler is set up, <TT
CLASS="constant"
><B
>FALSE</B
></TT
> if
     <TT
CLASS="parameter"
><I
>parser</I
></TT
> is not a parser.
    </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Note: </B
>Instead of a function name, an
array containing an object reference and a method name can also be
supplied.</P
></BLOCKQUOTE
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