Sophie: php-smarty-doc-2.6.26-1mdv2010.0 noarch

php-smarty-doc-2.6.26-1mdv2010.0.noarch.rpm

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>Prefilters</H1
><P
>&#13;  Template prefilters are PHP functions that your templates are ran through
  <SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
>before they are compiled</I
></SPAN
>. This is good for preprocessing
  your templates to remove unwanted comments, keeping an eye on what people are
  putting in their templates, etc.
 </P
><P
>&#13;  Prefilters can be either <A
HREF="api.register.prefilter.html"
>registered</A
> or loaded from
  the <A
HREF="variable.plugins.dir.html"
>plugins directory</A
>
  by using <A
HREF="api.load.filter.html"
><TT
CLASS="varname"
>load_filter()</TT
></A
> function or
  by setting the <A
HREF="variable.autoload.filters.html"
>&#13;  <TT
CLASS="parameter"
><I
>$autoload_filters</I
></TT
></A
> variable.
 </P
><P
>&#13;  Smarty will pass the template source code as the first argument, and
  expect the function to return the resulting template source code.
 </P
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><DIV
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><A
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></A
><P
><B
>Example 15-2. Using a template prefilter</B
></P
><P
>&#13;     This will remove all the html comments in the template source.
  </P
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><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">//&nbsp;put&nbsp;this&nbsp;in&nbsp;your&nbsp;application<br /></span><span style="color: #007700">function&nbsp;</span><span style="color: #0000BB">remove_dw_comments</span><span style="color: #007700">(</span><span style="color: #0000BB">$tpl_source</span><span style="color: #007700">,&nbsp;&amp;</span><span style="color: #0000BB">$smarty</span><span style="color: #007700">)<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">preg_replace</span><span style="color: #007700">(</span><span style="color: #DD0000">"/&lt;!--#.*--&gt;/U"</span><span style="color: #007700">,</span><span style="color: #DD0000">''</span><span style="color: #007700">,</span><span style="color: #0000BB">$tpl_source</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">//&nbsp;register&nbsp;the&nbsp;prefilter<br /></span><span style="color: #0000BB">$smarty</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">register_prefilter</span><span style="color: #007700">(</span><span style="color: #DD0000">'remove_dw_comments'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$smarty</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">display</span><span style="color: #007700">(</span><span style="color: #DD0000">'index.tpl'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></TD
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><P
>See also
 <A
HREF="api.register.prefilter.html"
><TT
CLASS="varname"
>register_prefilter()</TT
></A
>,
 <A
HREF="advanced.features.postfilters.html"
>postfilters</A
>
 and
 <A
HREF="api.load.filter.html"
><TT
CLASS="varname"
>load_filter()</TT
></A
>.
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