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Diff for phpMyEdit/doc/sgml/configuration.fields.sgml between version 1.40 and 1.41

version 1.40, 2004/01/20 10:45:00 version 1.41, 2004/01/20 11:02:59
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 <!-- $Platon: phpMyEdit/doc/sgml/configuration.fields.sgml,v 1.39 2003/12/30 21:22:45 nepto Exp $ -->  <!-- $Platon: phpMyEdit/doc/sgml/configuration.fields.sgml,v 1.40 2004/01/20 10:45:00 nepto Exp $ -->
   
 <!-- Categories:  <!-- Categories:
   
Line 851  $opts['fdd']['col_name']['sqlw'] = 'IF($
Line 851  $opts['fdd']['col_name']['sqlw'] = 'IF($
 ]]></programlisting>  ]]></programlisting>
 </example>  </example>
   
   </para>
   <para>
   
   Another example of the <varname>['sqlw']</varname> usage is the storage of
   user passwords. It is good idea to process user password using some well-known
   hash function before saving it in the database. Following statement is used in
   order to avoid re-hashing an already hashed string. This means, if
   <varname>col_name</varname> value was not changed, then do not apply
   <function>MD5()</function> on it. If <varname>col_name</varname> value was
   changed, then apply <function>MD5()</function> function.
   
   <example>
   <title>Storing password's MD5 hash</title>
   <programlisting><![CDATA[
   $opts['fdd']['col_name']['sqlw'] = 'IF(col_name = $val_qas, $val_qas, MD5($val_qas))'
   ]]></programlisting>
   </example>
   
 </para>  </para>
 </sect1>  </sect1>
 <sect1 id="configuration.tabs-feature">  <sect1 id="configuration.tabs-feature">
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