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><A
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>serialize</A
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>serialize -- 
     Generates a storable representation of a value.
    </DIV
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><H2
>Description</H2
><DIV
CLASS="funcsynopsis"
><P
></P
><CODE
CLASS="FUNCDEF"
>string serialize</CODE
>(mixed value);<P
></P
></DIV
><P
>&#13;     <B
CLASS="function"
>serialize()</B
> returns a string containing a
     byte-stream representation of <TT
CLASS="parameter"
><I
>value</I
></TT
> that
     can be stored anywhere.
    </P
><P
>&#13;     This is useful for storing or passing PHP values around without
     losing their type and structure.
    </P
><P
>&#13;     To make the serialized string into a PHP value again, use
     <A
HREF="function.unserialize.html"
><B
CLASS="function"
>unserialize()</B
></A
>.  <B
CLASS="function"
>serialize()</B
>
     handles the types <SPAN
CLASS="type"
>integer</SPAN
>, <SPAN
CLASS="type"
>double</SPAN
>,
     <SPAN
CLASS="type"
>string</SPAN
>, <SPAN
CLASS="type"
>array</SPAN
> (multidimensional) and
     <SPAN
CLASS="type"
>object</SPAN
> (object properties will be serialized, but
     methods are lost).
    </P
><P
>&#13;     <TABLE
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><B
>Example 1. <B
CLASS="function"
>Serialize()</B
> example</B
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>  1&nbsp;
  2&nbsp;// $session_data contains a multi-dimensional array with session
  3&nbsp;// information for the current user.  We use serialize() to store
  4&nbsp;// it in a database at the end of the request.
  5&nbsp;
  6&nbsp;$conn = odbc_connect ("webdb", "php", "chicken");
  7&nbsp;$stmt = odbc_prepare ($conn,
  8&nbsp;                      "UPDATE sessions SET data = ? WHERE id = ?");
  9&nbsp;$sqldata = array (serialize($session_data), $PHP_AUTH_USER);
 10&nbsp;if (!odbc_execute ($stmt, &#38;$sqldata)) {
 11&nbsp;    $stmt = odbc_prepare($conn,
 12&nbsp;                         "INSERT INTO sessions (id, data) VALUES(?, ?)");
 13&nbsp;    if (!odbc_execute($stmt, &#38;$sqldata)) {
 14&nbsp;        /* Something went wrong.  Bitch, whine and moan. */
 15&nbsp;    }
 16&nbsp;}
 17&nbsp;      </PRE
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