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Great Javascript server & browser cache control - more performance, less server CPU and site traffic

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secretr
2009-10-02 13:46:26 +00:00
parent 38431a75f8
commit 917ffedade
3 changed files with 282 additions and 170 deletions
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67
e107_handlers/js_manager.php
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@@ -7,8 +7,8 @@
* GNU General Public License (http://gnu.org).
*
* $Source: /cvs_backup/e107_0.8/e107_handlers/js_manager.php,v $
* $Revision: 1.3 $
* $Date: 2009-10-01 15:05:41 $
* $Revision: 1.4 $
* $Date: 2009-10-02 13:46:25 $
* $Author: secretr $
*
*/
@@ -85,7 +85,12 @@ class e_jsmanager
*
* @var integer
*/
protected $_cache_id = 0;
protected $_browser_cache_id = 0;
/**
* @var array
*/
protected $_lastModified = array();
/**
* Singleton instance
@@ -496,21 +501,21 @@ class e_jsmanager
switch($mod)
{
case 'core':
$this->renderFile($this->_e_jslib_core, $external, 'Core libraries');
case 'core': //e_jslib
$this->setLastModfied($mod, $this->renderFile($this->_e_jslib_core, $external, 'Core libraries'));
$this->_e_jslib_core = array();
break;
case 'plugin':
case 'plugin': //e_jslib
foreach($this->_e_jslib_plugin as $plugname => $paths)
{
$this->renderFile($paths, $external, $plugname.' libraries');
$this->setLastModfied($mod, $this->renderFile($paths, $external, $plugname.' libraries'));
}
$this->_e_jslib_plugin = array();
break;
case 'theme':
$this->renderFile($this->_e_jslib_theme, $external, 'Theme libraries');
case 'theme': //e_jslib
$this->setLastModfied($mod, $this->renderFile($this->_e_jslib_theme, $external, 'Theme libraries'));
$this->_e_jslib_theme = array();
break;
@@ -576,7 +581,7 @@ class e_jsmanager
* @param string $label added as comment if non-empty
* @return void
*/
public function renderFile($file_path_array, $external = false, $label = '')
public function renderFile($file_path_array, $external = false, $label = '', $checkModified = true)
{
if(empty($file_path_array))
{
@@ -588,6 +593,8 @@ class e_jsmanager
{
echo "<!-- [JSManager] ".$label." -->\n";
}
$lmodified = 0;
foreach ($file_path_array as $path)
{
if (substr($path, - 4) == '.php')
@@ -598,7 +605,10 @@ class e_jsmanager
echo "\n";
continue;
}
include_once($tp->replaceConstants($path, ''));
$path = $tp->replaceConstants($path, '');
if($checkModified) $lmodified = max($lmodified, filemtime($path));
include_once($path);
echo "\n";
}
else
@@ -609,10 +619,15 @@ class e_jsmanager
echo "\n";
continue;
}
echo file_get_contents($tp->replaceConstants($path, ''));
$path = $tp->replaceConstants($path, '');
if($checkModified) $lmodified = max($lmodified, filemtime($path));
echo file_get_contents($path);
echo "\n";
}
}
return $lmodified;
}
/**
@@ -692,7 +707,7 @@ class e_jsmanager
*/
public function getCacheId()
{
return $this->_cache_id;
return $this->_browser_cache_id;
}
/**
@@ -702,7 +717,31 @@ class e_jsmanager
*/
public function setCacheId($cacheid)
{
$this->_cache_id = $cacheid;
$this->_browser_cache_id = intval($cacheid);
return $this;
}
/**
* Set last modification timestamp for given namespace
*
* @param string $what
* @param integer $when [optional]
* @return e_jsmanager
*/
public function setLastModfied($what, $when = 0)
{
$this->_lastModified[$what] = $when;
return $this;
}
/**
* Get last modification timestamp for given namespace
*
* @param string $what
* @return integer
*/
public function getLastModfied($what)
{
return (isset($this->_lastModified[$what]) ? $this->_lastModified[$what] : 0);
}
}