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

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

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>template_exists()</H1
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>template_exists()&nbsp;--&nbsp;checks whether the specified template exists</DIV
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CLASS="refsect1"
><A
NAME="AEN6474"
></A
><H2
>Description</H2
>bool <B
CLASS="methodname"
>template_exists</B
> ( string template)<BR
></BR
><P
>&#13;   It can  accept either a path to the template on the filesystem or a
   resource string specifying the template.
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>Example 13-1. template_exists()</B
></P
><P
>&#13;    This example uses <TT
CLASS="literal"
>$_GET['page']</TT
> to
    <A
HREF="language.function.include.html"
><TT
CLASS="varname"
>{include}</TT
></A
>
    a content template. If the template does not exist then an error page
    is displayed instead. First the <TT
CLASS="filename"
>page_container.tpl</TT
>
    </P
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&lt;html&gt;<br />&lt;head&gt;&lt;title&gt;{$title}&lt;/title&gt;&lt;/head&gt;<br />&lt;body&gt;<br />{include&nbsp;file='page_top.tpl'}<br /><br />{*&nbsp;include&nbsp;middle&nbsp;content&nbsp;page&nbsp;*}<br />{include&nbsp;file=$content_template}<br /><br />{include&nbsp;file='page_footer.tpl'}<br />&lt;/body&gt;</span>
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>&#13;  And the php script
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<span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #FF8000">//&nbsp;set&nbsp;the&nbsp;filename&nbsp;eg&nbsp;index.inc.tpl<br /></span><span style="color: #0000BB">$mid_template&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$_GET</span><span style="color: #007700">[</span><span style="color: #DD0000">'page'</span><span style="color: #007700">].</span><span style="color: #DD0000">'.inc.tpl'</span><span style="color: #007700">;<br /><br />if(&nbsp;!</span><span style="color: #0000BB">$smarty</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">template_exists</span><span style="color: #007700">(</span><span style="color: #0000BB">$mid_template</span><span style="color: #007700">)&nbsp;){<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$mid_template&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'page_not_found.tpl'</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">$smarty</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">assign</span><span style="color: #007700">(</span><span style="color: #DD0000">'content_template'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$mid_template</span><span style="color: #007700">);<br /><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">'page_container.tpl'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
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>&#13;  See also
  <A
HREF="api.display.html"
><TT
CLASS="varname"
>display()</TT
></A
>,
  <A
HREF="api.fetch.html"
><TT
CLASS="varname"
>fetch()</TT
></A
>,
  <A
HREF="language.function.include.html"
><TT
CLASS="varname"
>{include}</TT
></A
>
  and
  <A
HREF="language.function.insert.html"
><TT
CLASS="varname"
>{insert}</TT
></A
>
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