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add support for is-modified-since headers, adjust a doc example

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This commit is contained in:
mohrt
2002-01-28 23:29:06 +00:00
parent 1d3bfa0070
commit 8d27a9f9cb
3 changed files with 40 additions and 11 deletions
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18
Smarty.class.php
View File

@@ -97,6 +97,7 @@ class Smarty
var $cache_handler_func = null; // function used for cached content. this is
// an alternative to using the built-in file
// based caching.
var $check_if_modified = true; // respect If-Modified-Since headers on cached content
var $default_template_handler_func = ''; // function to handle missing templates
@@ -546,15 +547,26 @@ class Smarty
$_smarty_results = $this->_process_cached_inserts($_smarty_results);
}
if ($_smarty_display) {
echo $_smarty_results;
if ($this->debugging)
{
// capture time for debugging info
$this->_smarty_debug_info[$included_tpls_idx]['exec_time'] = $this->_get_microtime() - $debug_start_time;
echo $this->_generate_debug_output();
$_smarty_results .= $this->_generate_debug_output();
}
return;
if( $this->check_if_modified ) {
global $HTTP_IF_MODIFIED_SINCE;
$last_modified_date = substr($HTTP_IF_MODIFIED_SINCE,0,strpos($HTTP_IF_MODIFIED_SINCE,'GMT')+3);
$gmt_mtime = gmdate('D, d M Y H:i:s', $this->_cache_info['timestamp']).' GMT';
if( !$this->_cache_info['insert_tags']
&& $gmt_mtime == $last_modified_date ) {
header("HTTP/1.1 304 Not Modified");
}
}
header("Content-Length: ".strlen($_smarty_results));
header("Last-Modified: ".$gmt_mtime);
echo $_smarty_results;
return true;
} else {
return $_smarty_results;
}

15
docs.sgml
View File

@@ -1473,13 +1473,18 @@ function get_db_template ($tpl_name, &$tpl_source, &$tpl_timestamp,
$get_source=true, &$smarty_obj) {
if($get_source) {
// do database calls (or whatever) here to fetch your template, populating
// do database call here to fetch your template, populating
// $tpl_source and $tpl_timestamp.
$tpl_source = "This is a simulation of a template fetched from a db.";
$tpl_timestamp = mktime();
$sql = new SQL;
$sql->query("select tpl_source, tpl_timestamp from my_table
where tpl_name='$tpl_name'");
extract($sql->record);
} else {
// just populate $tpl_timestamp.
$tpl_timestamp = mktime();
// do database call here to populate $tpl_timestamp.
$sql = new SQL;
$sql->query("select tpl_timestamp from my_table
where tpl_name='$tpl_name'");
extract($sql->record);
}
return true;

18
libs/Smarty.class.php
View File

@@ -97,6 +97,7 @@ class Smarty
var $cache_handler_func = null; // function used for cached content. this is
// an alternative to using the built-in file
// based caching.
var $check_if_modified = true; // respect If-Modified-Since headers on cached content
var $default_template_handler_func = ''; // function to handle missing templates
@@ -546,15 +547,26 @@ class Smarty
$_smarty_results = $this->_process_cached_inserts($_smarty_results);
}
if ($_smarty_display) {
echo $_smarty_results;
if ($this->debugging)
{
// capture time for debugging info
$this->_smarty_debug_info[$included_tpls_idx]['exec_time'] = $this->_get_microtime() - $debug_start_time;
echo $this->_generate_debug_output();
$_smarty_results .= $this->_generate_debug_output();
}
return;
if( $this->check_if_modified ) {
global $HTTP_IF_MODIFIED_SINCE;
$last_modified_date = substr($HTTP_IF_MODIFIED_SINCE,0,strpos($HTTP_IF_MODIFIED_SINCE,'GMT')+3);
$gmt_mtime = gmdate('D, d M Y H:i:s', $this->_cache_info['timestamp']).' GMT';
if( !$this->_cache_info['insert_tags']
&& $gmt_mtime == $last_modified_date ) {
header("HTTP/1.1 304 Not Modified");
}
}
header("Content-Length: ".strlen($_smarty_results));
header("Last-Modified: ".$gmt_mtime);
echo $_smarty_results;
return true;
} else {
return $_smarty_results;
}