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>&#13;    These functions are intended for work with <A
HREF="http://www.wddx.org/"
TARGET="_top"
>WDDX</A
>.</P
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>&#13;    Note that all the functions that serialize variables use the first
    element of an array to determine whether the array is to be
    serialized into an array or structure.  If the first element has
    string key, then it is serialized into a structure, otherwise,
    into an array.

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>Example 1. Serializing a single value</B
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>  1&nbsp;
  2&nbsp;&#60;?php
  3&nbsp;print wddx_serialize_value("PHP to WDDX packet example", "PHP packet");
  4&nbsp;?&#62;
  5&nbsp;     </PRE
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>&#13;    This example will produce:
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>  1&nbsp;
  2&nbsp;&#60;wddxPacket version='0.9'&#62;&#60;header comment='PHP packet'/&#62;&#60;data&#62;
  3&nbsp;&#60;string&#62;PHP to WDDX packet example&#60;/string&#62;&#60;/data&#62;&#60;/wddxPacket&#62;
  4&nbsp;     </PRE
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>Example 2. Using incremental packets</B
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>  1&nbsp;
  2&nbsp;&#60;?php
  3&nbsp;$pi = 3.1415926;
  4&nbsp;$packet_id = wddx_packet_start("PHP");
  5&nbsp;wddx_add_vars($packet_id, "pi");
  6&nbsp;
  7&nbsp;/* Suppose $cities came from database */
  8&nbsp;$cities = array("Austin", "Novato", "Seattle");
  9&nbsp;wddx_add_vars($packet_id, "cities");
 10&nbsp;
 11&nbsp;$packet = wddx_packet_end($packet_id);
 12&nbsp;print $packet;
 13&nbsp;?&#62;
 14&nbsp;     </PRE
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>&#13;    This example will produce:

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>  1&nbsp;
  2&nbsp;&#60;wddxPacket version='0.9'&#62;&#60;header comment='PHP'/&#62;&#60;data&#62;&#60;struct&#62;
  3&nbsp;&#60;var name='pi'&#62;&#60;number&#62;3.1415926&#60;/number&#62;&#60;/var&#62;&#60;var name='cities'&#62;
  4&nbsp;&#60;array length='3'&#62;&#60;string&#62;Austin&#60;/string&#62;&#60;string&#62;Novato&#60;/string&#62;
  5&nbsp;&#60;string&#62;Seattle&#60;/string&#62;&#60;/array&#62;&#60;/var&#62;&#60;/struct&#62;&#60;/data&#62;&#60;/wddxPacket&#62;
  6&nbsp;     </PRE
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><DT
><A
HREF="function.wddx-serialize-value.html"
>wddx_serialize_value</A
> &#8212; Serialize a single value into a WDDX packet</DT
><DT
><A
HREF="function.wddx-serialize-vars.html"
>wddx_serialize_vars</A
> &#8212; Serialize variables into a WDDX packet</DT
><DT
><A
HREF="function.wddx-packet-start.html"
>wddx_packet_start</A
> &#8212; Starts a new WDDX packet with structure inside it</DT
><DT
><A
HREF="function.wddx-packet-end.html"
>wddx_packet_end</A
> &#8212; Ends a WDDX packet with the specified ID</DT
><DT
><A
HREF="function.wddx-add-vars.html"
>wddx_add_vars</A
> &#8212; Ends a WDDX packet with the specified ID</DT
><DT
><A
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>wddx_deserialize</A
> &#8212; Deserializes a WDDX packet</DT
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