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										 |  |  | <?xml version="1.0" encoding="iso-8859-1"?> | 
					
						
							|  |  |  | <!-- $Revision$ --> | 
					
						
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										 |  |  | <refentry id="api.template.exists"> | 
					
						
							|  |  |  |  <refnamediv> | 
					
						
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										 |  |  |   <refname>template_exists()</refname> | 
					
						
							|  |  |  |   <refpurpose>checks whether the specified template exists</refpurpose> | 
					
						
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										 |  |  |  </refnamediv> | 
					
						
							|  |  |  |  <refsect1> | 
					
						
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										 |  |  |   <title>Description</title> | 
					
						
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										 |  |  |   <methodsynopsis> | 
					
						
							|  |  |  |    <type>bool</type><methodname>template_exists</methodname> | 
					
						
							|  |  |  |    <methodparam><type>string</type><parameter>template</parameter></methodparam> | 
					
						
							|  |  |  |   </methodsynopsis> | 
					
						
							|  |  |  |   <para> | 
					
						
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										 |  |  |    It can  accept either a path to the template on the filesystem or a | 
					
						
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										 |  |  |    resource string specifying the template. | 
					
						
							|  |  |  |   </para> | 
					
						
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										 |  |  | 
 | 
					
						
							|  |  |  |   <example> | 
					
						
							|  |  |  |   <title>template_exists()</title> | 
					
						
							|  |  |  |     <para> | 
					
						
							|  |  |  |     This example uses $_GET['page'] to include a content template. If | 
					
						
							|  |  |  |     the template  doesnt exist then an error page is displayed instead. | 
					
						
							|  |  |  |     </para> | 
					
						
							|  |  |  |     <para> | 
					
						
							|  |  |  |     The <filename>page_container.tpl</filename> | 
					
						
							|  |  |  |     </para> | 
					
						
							|  |  |  |     <programlisting role="php"> | 
					
						
							|  |  |  | <![CDATA[ | 
					
						
							|  |  |  | <html> | 
					
						
							|  |  |  | <head><title>{$title}</title></head> | 
					
						
							|  |  |  | <body> | 
					
						
							|  |  |  | {include file='page_top.tpl'} | 
					
						
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 | 
					
						
							|  |  |  | {* include middle content page *} | 
					
						
							|  |  |  | {include file=$page_mid} | 
					
						
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 | 
					
						
							|  |  |  | {include file='page_footer.tpl'} | 
					
						
							|  |  |  | </body> | 
					
						
							|  |  |  | ]]> | 
					
						
							|  |  |  |   </programlisting> | 
					
						
							|  |  |  |   <para> | 
					
						
							|  |  |  |   and the php script | 
					
						
							|  |  |  |   </para> | 
					
						
							|  |  |  |   <programlisting role="php"> | 
					
						
							|  |  |  | <![CDATA[ | 
					
						
							|  |  |  | <?php | 
					
						
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 | 
					
						
							|  |  |  | // set the filename eg index.inc.tpl | 
					
						
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										 |  |  | $mid_template = $_GET['page'].'.inc.tpl'; | 
					
						
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										 |  |  | if( !$smarty->template_exists($mid_template) ){ | 
					
						
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										 |  |  |     $mid_template = 'page_not_found.inc.tpl'; | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | $smarty->assign('page_mid', $mid_template); | 
					
						
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										 |  |  | 
 | 
					
						
							|  |  |  | $smarty->display('page_container.tpl'); | 
					
						
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 | 
					
						
							|  |  |  | ?> | 
					
						
							|  |  |  | ]]> | 
					
						
							|  |  |  |   </programlisting> | 
					
						
							|  |  |  |   </example> | 
					
						
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										 |  |  |   <para> | 
					
						
							|  |  |  |   See also | 
					
						
							|  |  |  |   <link linkend="api.display">display()</link>, | 
					
						
							|  |  |  |   <link linkend="api.fetch">fetch()</link>, | 
					
						
							|  |  |  |   <link linkend="language.function.include">{include}</link> | 
					
						
							|  |  |  |   and | 
					
						
							|  |  |  |   <link linkend="language.function.insert">{insert}</link> | 
					
						
							|  |  |  |   </para> | 
					
						
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										 |  |  |  </refsect1> | 
					
						
							|  |  |  | </refentry> | 
					
						
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										 |  |  | <!-- Keep this comment at the end of the file
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