Merge pull request #2253 from annando/1601-network-performance
Reducing network request, increasing page performance
This commit is contained in:
		
				commit
				
					
						2c69614950
					
				
			
		
					 22 changed files with 336 additions and 145 deletions
				
			
		
							
								
								
									
										28
									
								
								boot.php
									
										
									
									
									
								
							
							
						
						
									
										28
									
								
								boot.php
									
										
									
									
									
								
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			@ -36,7 +36,7 @@ define ( 'FRIENDICA_PLATFORM',     'Friendica');
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define ( 'FRIENDICA_CODENAME',     'Asparagus');
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define ( 'FRIENDICA_VERSION',      '3.5-dev' );
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define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
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define ( 'DB_UPDATE_VERSION',      1192      );
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define ( 'DB_UPDATE_VERSION',      1193      );
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/**
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 * @brief Constant with a HTML line break.
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			@ -467,6 +467,7 @@ class App {
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	public	$is_tablet;
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	public	$is_friendica_app;
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	public	$performance = array();
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	public	$callstack = array();
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	public $nav_sel;
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			@ -554,6 +555,12 @@ class App {
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		$this->performance["marktime"] = 0;
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		$this->performance["markstart"] = microtime(true);
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		$this->callstack["database"] = array();
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		$this->callstack["network"] = array();
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		$this->callstack["file"] = array();
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		$this->callstack["rendering"] = array();
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		$this->callstack["parser"] = array();
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		$this->config = array();
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		$this->page = array();
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		$this->pager= array();
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			@ -903,6 +910,10 @@ class App {
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	}
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	function get_cached_avatar_image($avatar_image){
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		return $avatar_image;
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		// The following code is deactivated. It doesn't seem to make any sense and it slows down the system.
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		/*
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		if($this->cached_profile_image[$avatar_image])
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			return $this->cached_profile_image[$avatar_image];
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			@ -922,6 +933,7 @@ class App {
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			}
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		}
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		return $this->cached_profile_image[$avatar_image];
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		*/
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	}
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			@ -1016,6 +1028,20 @@ class App {
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		$this->performance[$value] += (float)$duration;
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		$this->performance["marktime"] += (float)$duration;
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		// Trace the different functions with their timestamps
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		$trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 5);
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		array_shift($trace);
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		$function = array();
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		foreach ($trace AS $func)
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			$function[] = $func["function"];
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		$function = implode(", ", $function);
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		$this->callstack[$value][$function] += (float)$duration;
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	}
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	function mark_timestamp($mark) {
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		|||
							
								
								
									
										26
									
								
								database.sql
									
										
									
									
									
								
							
							
						
						
									
										26
									
								
								database.sql
									
										
									
									
									
								
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			@ -1,6 +1,6 @@
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-- ------------------------------------------
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-- Friendica 3.5-dev (Asparagus)
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-- DB_UPDATE_VERSION 1192
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-- DB_UPDATE_VERSION 1193
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-- ------------------------------------------
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			@ -685,6 +685,30 @@ CREATE TABLE IF NOT EXISTS `notify-threads` (
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	 INDEX `receiver-uid` (`receiver-uid`)
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) DEFAULT CHARSET=utf8;
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--
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-- TABLE oembed
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--
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CREATE TABLE IF NOT EXISTS `oembed` (
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	`url` varchar(255) NOT NULL,
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	`content` text NOT NULL,
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	`created` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
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	 PRIMARY KEY(`url`),
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	 INDEX `created` (`created`)
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) DEFAULT CHARSET=utf8;
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--
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-- TABLE parsed_url
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--
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CREATE TABLE IF NOT EXISTS `parsed_url` (
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	`url` varchar(255) NOT NULL,
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	`guessing` tinyint(1) NOT NULL DEFAULT 0,
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	`oembed` tinyint(1) NOT NULL DEFAULT 0,
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	`content` text NOT NULL,
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	`created` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
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	 PRIMARY KEY(`url`,`guessing`,`oembed`),
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	 INDEX `created` (`created`)
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) DEFAULT CHARSET=utf8;
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--
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-- TABLE pconfig
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--
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			@ -38,6 +38,8 @@ Database Tables
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| [manage](help/database/db_manage)                    | table of accounts that can "su" each other       |
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| [notify](help/database/db_notify)                    | notifications                                    |
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| [notify-threads](help/database/db_notify-threads)    |                                                  |
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| [oembed](help/database/db_oembed)                    | cache for OEmbed queries                         |
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| [parsed_url](help/database/db_parsed_url)            | cache for "parse_url" queries                    |
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| [pconfig](help/database/db_pconfig)                  | personal (per user) configuration storage        |
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| [photo](help/database/db_photo)                      | photo storage                                    |
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| [poll](help/database/db_poll)                        | data for polls                                   |
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										10
									
								
								doc/database/db_oembed.md
									
										
									
									
									
										Normal file
									
								
							
							
						
						
									
										10
									
								
								doc/database/db_oembed.md
									
										
									
									
									
										Normal file
									
								
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			@ -0,0 +1,10 @@
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Table oembed
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============
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| Field        | Description                        | Type         | Null | Key | Default             | Extra |
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| ------------ | ---------------------------------- | ------------ | ---- | --- | ------------------- | ----- |
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| url          | page url                           | varchar(255) | NO   | PRI | NULL                |       |
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| content      | OEmbed data of the page            | text         | NO   |     | NULL                |       |
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| created      | datetime of creation               | datetime     | NO   | MUL | 0000-00-00 00:00:00 |       |
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Return to [database documentation](help/database)
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										12
									
								
								doc/database/db_parsed_url.md
									
										
									
									
									
										Normal file
									
								
							
							
						
						
									
										12
									
								
								doc/database/db_parsed_url.md
									
										
									
									
									
										Normal file
									
								
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			@ -0,0 +1,12 @@
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Table parsed_url
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================
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| Field        | Description                        | Type         | Null | Key | Default             | Extra |
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| ------------ | ---------------------------------- | ------------ | ---- | --- | ------------------- | ----- |
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| url          | page url                           | varchar(255) | NO   | PRI | NULL                |       |
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| guessing     | is the "guessing" mode active?     | tinyint(1)   | NO   | PRI | 0                   |       |
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| oembed       | is the data the result of oembed?  | tinyint(1)   | NO   | PRI | 0                   |       |
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| content      | page data                          | text         | NO   |     | NULL                |       |
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| created      | datetime of creation               | datetime     | NO   | MUL | 0000-00-00 00:00:00 |       |
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Return to [database documentation](help/database)
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			@ -211,40 +211,40 @@ function get_contact_details_by_url($url, $uid = -1) {
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	$r = q("SELECT `id`, `uid`, `url`, `network`, `name`, `nick`, `addr`, `location`, `about`, `keywords`, `gender`, `photo`, `addr`, `forum`, `prv`, `bd` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d AND `network` = '%s'",
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		dbesc(normalise_link($url)), intval($uid), dbesc($profile["network"]));
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	if (!count($r))
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	if (!count($r) AND !isset($profile))
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		$r = q("SELECT `id`, `uid`, `url`, `network`, `name`, `nick`, `addr`, `location`, `about`, `keywords`, `gender`, `photo`, `addr`, `forum`, `prv`, `bd` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d",
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			dbesc(normalise_link($url)), intval($uid));
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	if (!count($r))
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	if (!count($r) AND !isset($profile))
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		$r = q("SELECT `id`, `uid`, `url`, `network`, `name`, `nick`, `addr`, `location`, `about`, `keywords`, `gender`, `photo`, `addr`, `forum`, `prv`, `bd` FROM `contact` WHERE `nurl` = '%s' AND `uid` = 0",
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			dbesc(normalise_link($url)));
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	if ($r) {
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		if (isset($r[0]["url"]) AND $r[0]["url"])
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		if (!isset($profile["url"]) AND $r[0]["url"])
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			$profile["url"] = $r[0]["url"];
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		if (isset($r[0]["name"]) AND $r[0]["name"])
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		if (!isset($profile["name"]) AND $r[0]["name"])
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			$profile["name"] = $r[0]["name"];
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		if (isset($r[0]["nick"]) AND $r[0]["nick"] AND ($profile["nick"] == ""))
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		if (!isset($profile["nick"]) AND $r[0]["nick"])
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			$profile["nick"] = $r[0]["nick"];
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		if (isset($r[0]["addr"]) AND $r[0]["addr"] AND ($profile["addr"] == ""))
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		if (!isset($profile["addr"]) AND $r[0]["addr"])
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			$profile["addr"] = $r[0]["addr"];
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		if (isset($r[0]["photo"]) AND $r[0]["photo"])
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		if (!isset($profile["photo"]) AND $r[0]["photo"])
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			$profile["photo"] = $r[0]["photo"];
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		if (isset($r[0]["location"]) AND $r[0]["location"])
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		if (!isset($profile["location"]) AND $r[0]["location"])
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			$profile["location"] = $r[0]["location"];
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		if (isset($r[0]["about"]) AND $r[0]["about"])
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		if (!isset($profile["about"]) AND $r[0]["about"])
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			$profile["about"] = $r[0]["about"];
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		if (isset($r[0]["keywords"]) AND $r[0]["keywords"])
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		if (!isset($profile["keywords"]) AND $r[0]["keywords"])
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			$profile["keywords"] = $r[0]["keywords"];
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		if (isset($r[0]["gender"]) AND $r[0]["gender"])
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		if (!isset($profile["gender"]) AND $r[0]["gender"])
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			$profile["gender"] = $r[0]["gender"];
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		if (isset($r[0]["forum"]) OR isset($r[0]["prv"]))
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			$profile["community"] = ($r[0]["forum"] OR $r[0]["prv"]);
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		if (isset($r[0]["network"]) AND $r[0]["network"])
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		if (!isset($profile["network"]) AND $r[0]["network"])
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			$profile["network"] = $r[0]["network"];
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		if (isset($r[0]["addr"]) AND $r[0]["addr"])
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		if (!isset($profile["addr"]) AND $r[0]["addr"])
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			$profile["addr"] = $r[0]["addr"];
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		if (isset($r[0]["bd"]) AND $r[0]["bd"])
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		if (!isset($profile["bd"]) AND $r[0]["bd"])
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			$profile["bd"] = $r[0]["bd"];
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		if ($r[0]["uid"] == 0)
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			$profile["cid"] = 0;
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			@ -20,7 +20,7 @@ function group_select($selname,$selclass,$preselected = false,$size = 4) {
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	$o .= "<select name=\"{$selname}[]\" id=\"$selclass\" class=\"$selclass\" multiple=\"multiple\" size=\"$size\" >\r\n";
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	$r = q("SELECT * FROM `group` WHERE `deleted` = 0 AND `uid` = %d ORDER BY `name` ASC",
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	$r = q("SELECT `id`, `name` FROM `group` WHERE NOT `deleted` AND `uid` = %d ORDER BY `name` ASC",
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		intval(local_user())
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	);
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			@ -309,7 +309,7 @@ function populate_acl($user = null, $show_jotnets = false) {
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		$pubmail_enabled = false;
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		if(! $mail_disabled) {
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			$r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1",
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			$r = q("SELECT `pubmail` FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1",
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				intval(local_user())
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			);
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			if(count($r)) {
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			@ -19,7 +19,7 @@ if(! function_exists('load_config')) {
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function load_config($family) {
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	global $a;
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	$r = q("SELECT * FROM `config` WHERE `cat` = '%s'", dbesc($family));
 | 
			
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	$r = q("SELECT `v`, `k` FROM `config` WHERE `cat` = '%s'", dbesc($family));
 | 
			
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	if(count($r)) {
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		foreach($r as $rr) {
 | 
			
		||||
			$k = $rr['k'];
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		||||
| 
						 | 
				
			
			@ -170,7 +170,7 @@ function set_config($family,$key,$value) {
 | 
			
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if(! function_exists('load_pconfig')) {
 | 
			
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function load_pconfig($uid,$family) {
 | 
			
		||||
	global $a;
 | 
			
		||||
	$r = q("SELECT * FROM `pconfig` WHERE `cat` = '%s' AND `uid` = %d",
 | 
			
		||||
	$r = q("SELECT `v`,`k` FROM `pconfig` WHERE `cat` = '%s' AND `uid` = %d",
 | 
			
		||||
		dbesc($family),
 | 
			
		||||
		intval($uid)
 | 
			
		||||
	);
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -811,16 +811,16 @@ function best_link_url($item,&$sparkle,$ssl_state = false) {
 | 
			
		|||
	if((local_user()) && (local_user() == $item['uid'])) {
 | 
			
		||||
		if(isset($a->contacts) && x($a->contacts,$clean_url)) {
 | 
			
		||||
			if($a->contacts[$clean_url]['network'] === NETWORK_DFRN) {
 | 
			
		||||
				$best_url = $a->get_baseurl($ssl_state) . '/redir/' . $a->contacts[$clean_url]['id'];
 | 
			
		||||
				$best_url = 'redir/'.$a->contacts[$clean_url]['id'];
 | 
			
		||||
				$sparkle = true;
 | 
			
		||||
			} else
 | 
			
		||||
				$best_url = $a->contacts[$clean_url]['url'];
 | 
			
		||||
		}
 | 
			
		||||
	} elseif (local_user()) {
 | 
			
		||||
		$r = q("SELECT `id`, `network` FROM `contact` WHERE `network` = '%s' AND `uid` = %d AND `nurl` = '%s'",
 | 
			
		||||
		$r = q("SELECT `id` FROM `contact` WHERE `network` = '%s' AND `uid` = %d AND `nurl` = '%s' LIMIT 1",
 | 
			
		||||
			dbesc(NETWORK_DFRN), intval(local_user()), dbesc(normalise_link($clean_url)));
 | 
			
		||||
		if ($r) {
 | 
			
		||||
			$best_url = $a->get_baseurl($ssl_state).'/redir/'.$r[0]['id'];
 | 
			
		||||
			$best_url = 'redir/'.$r[0]['id'];
 | 
			
		||||
			$sparkle = true;
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
| 
						 | 
				
			
			@ -876,7 +876,7 @@ function item_photo_menu($item){
 | 
			
		|||
		if(local_user() && local_user() == $item['uid'] && link_compare($item['url'],$item['author-link'])) {
 | 
			
		||||
			$cid = $item['contact-id'];
 | 
			
		||||
		} else {
 | 
			
		||||
			$r = q("SELECT `id`, `network` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' ORDER BY `uid` DESC LIMIT 1",
 | 
			
		||||
			$r = q("SELECT `id`, `network` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' LIMIT 1",
 | 
			
		||||
				intval(local_user()), dbesc(normalise_link($item['author-link'])));
 | 
			
		||||
			if ($r) {
 | 
			
		||||
				$cid = $r[0]["id"];
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
							
								
								
									
										199
									
								
								include/cron.php
									
										
									
									
									
								
							
							
						
						
									
										199
									
								
								include/cron.php
									
										
									
									
									
								
							| 
						 | 
				
			
			@ -158,93 +158,11 @@ function cron_run(&$argv, &$argc){
 | 
			
		|||
		proc_run('php','include/expire.php');
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	$last = get_config('system','cache_last_cleared');
 | 
			
		||||
	// Clear cache entries
 | 
			
		||||
	cron_clear_cache($a);
 | 
			
		||||
 | 
			
		||||
	if($last) {
 | 
			
		||||
		$next = $last + (3600); // Once per hour
 | 
			
		||||
		$clear_cache = ($next <= time());
 | 
			
		||||
	} else
 | 
			
		||||
		$clear_cache = true;
 | 
			
		||||
 | 
			
		||||
	if ($clear_cache) {
 | 
			
		||||
		// clear old cache
 | 
			
		||||
		Cache::clear();
 | 
			
		||||
 | 
			
		||||
		// clear old item cache files
 | 
			
		||||
		clear_cache();
 | 
			
		||||
 | 
			
		||||
		// clear cache for photos
 | 
			
		||||
		clear_cache($a->get_basepath(), $a->get_basepath()."/photo");
 | 
			
		||||
 | 
			
		||||
		// clear smarty cache
 | 
			
		||||
		clear_cache($a->get_basepath()."/view/smarty3/compiled", $a->get_basepath()."/view/smarty3/compiled");
 | 
			
		||||
 | 
			
		||||
		// clear cache for image proxy
 | 
			
		||||
		if (!get_config("system", "proxy_disabled")) {
 | 
			
		||||
			clear_cache($a->get_basepath(), $a->get_basepath()."/proxy");
 | 
			
		||||
 | 
			
		||||
			$cachetime = get_config('system','proxy_cache_time');
 | 
			
		||||
			if (!$cachetime) $cachetime = PROXY_DEFAULT_TIME;
 | 
			
		||||
 | 
			
		||||
			q('DELETE FROM `photo` WHERE `uid` = 0 AND `resource-id` LIKE "pic:%%" AND `created` < NOW() - INTERVAL %d SECOND', $cachetime);
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
		// Maximum table size in megabyte
 | 
			
		||||
		$max_tablesize = intval(get_config('system','optimize_max_tablesize')) * 1000000;
 | 
			
		||||
		if ($max_tablesize == 0)
 | 
			
		||||
			$max_tablesize = 100 * 1000000; // Default are 100 MB
 | 
			
		||||
 | 
			
		||||
		// Minimum fragmentation level in percent
 | 
			
		||||
		$fragmentation_level = intval(get_config('system','optimize_fragmentation')) / 100;
 | 
			
		||||
		if ($fragmentation_level == 0)
 | 
			
		||||
			$fragmentation_level = 0.3; // Default value is 30%
 | 
			
		||||
 | 
			
		||||
		// Optimize some tables that need to be optimized
 | 
			
		||||
		$r = q("SHOW TABLE STATUS");
 | 
			
		||||
		foreach($r as $table) {
 | 
			
		||||
 | 
			
		||||
			// Don't optimize tables that are too large
 | 
			
		||||
			if ($table["Data_length"] > $max_tablesize)
 | 
			
		||||
				continue;
 | 
			
		||||
 | 
			
		||||
			// Don't optimize empty tables
 | 
			
		||||
			if ($table["Data_length"] == 0)
 | 
			
		||||
				continue;
 | 
			
		||||
 | 
			
		||||
			// Calculate fragmentation
 | 
			
		||||
			$fragmentation = $table["Data_free"] / $table["Data_length"];
 | 
			
		||||
 | 
			
		||||
			logger("Table ".$table["Name"]." - Fragmentation level: ".round($fragmentation * 100, 2), LOGGER_DEBUG);
 | 
			
		||||
 | 
			
		||||
			// Don't optimize tables that needn't to be optimized
 | 
			
		||||
			if ($fragmentation < $fragmentation_level)
 | 
			
		||||
				continue;
 | 
			
		||||
 | 
			
		||||
			// So optimize it
 | 
			
		||||
			logger("Optimize Table ".$table["Name"], LOGGER_DEBUG);
 | 
			
		||||
			q("OPTIMIZE TABLE `%s`", dbesc($table["Name"]));
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
		set_config('system','cache_last_cleared', time());
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	// Repair missing Diaspora settings
 | 
			
		||||
	$r = q("SELECT `id`, `url` FROM `contact`
 | 
			
		||||
		WHERE `uid` > 0 AND `network` = '%s' AND (`batch` = '' OR `notify` = '' OR `poll` = '' OR pubkey = '')
 | 
			
		||||
			ORDER BY RAND() LIMIT 50", dbesc(NETWORK_DIASPORA));
 | 
			
		||||
	if ($r) {
 | 
			
		||||
		foreach ($r AS $contact) {
 | 
			
		||||
			if (poco_reachable($contact["url"])) {
 | 
			
		||||
				$data = probe_url($contact["url"]);
 | 
			
		||||
				if ($data["network"] == NETWORK_DIASPORA) {
 | 
			
		||||
					logger("Repair contact ".$contact["id"]." ".$contact["url"], LOGGER_DEBUG);
 | 
			
		||||
					q("UPDATE `contact` SET `batch` = '%s', `notify` = '%s', `poll` = '%s', pubkey = '%s' WHERE `id` = %d",
 | 
			
		||||
						dbesc($data["batch"]), dbesc($data["notify"]), dbesc($data["poll"]), dbesc($data["pubkey"]),
 | 
			
		||||
						intval($contact["id"]));
 | 
			
		||||
				}
 | 
			
		||||
			}
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
	// Repair missing Diaspora values in contacts
 | 
			
		||||
	cron_repair_diaspora($a);
 | 
			
		||||
 | 
			
		||||
	$manual_id  = 0;
 | 
			
		||||
	$generation = 0;
 | 
			
		||||
| 
						 | 
				
			
			@ -390,6 +308,115 @@ function cron_run(&$argv, &$argc){
 | 
			
		|||
	return;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 * @brief Clear cache entries
 | 
			
		||||
 *
 | 
			
		||||
 * @param App $a
 | 
			
		||||
 */
 | 
			
		||||
function cron_clear_cache(&$a) {
 | 
			
		||||
 | 
			
		||||
	$last = get_config('system','cache_last_cleared');
 | 
			
		||||
 | 
			
		||||
	if($last) {
 | 
			
		||||
		$next = $last + (3600); // Once per hour
 | 
			
		||||
		$clear_cache = ($next <= time());
 | 
			
		||||
	} else
 | 
			
		||||
		$clear_cache = true;
 | 
			
		||||
 | 
			
		||||
	if (!$clear_cache)
 | 
			
		||||
		return;
 | 
			
		||||
 | 
			
		||||
	// clear old cache
 | 
			
		||||
	Cache::clear();
 | 
			
		||||
 | 
			
		||||
	// clear old item cache files
 | 
			
		||||
	clear_cache();
 | 
			
		||||
 | 
			
		||||
	// clear cache for photos
 | 
			
		||||
	clear_cache($a->get_basepath(), $a->get_basepath()."/photo");
 | 
			
		||||
 | 
			
		||||
	// clear smarty cache
 | 
			
		||||
	clear_cache($a->get_basepath()."/view/smarty3/compiled", $a->get_basepath()."/view/smarty3/compiled");
 | 
			
		||||
 | 
			
		||||
	// clear cache for image proxy
 | 
			
		||||
	if (!get_config("system", "proxy_disabled")) {
 | 
			
		||||
		clear_cache($a->get_basepath(), $a->get_basepath()."/proxy");
 | 
			
		||||
 | 
			
		||||
		$cachetime = get_config('system','proxy_cache_time');
 | 
			
		||||
		if (!$cachetime) $cachetime = PROXY_DEFAULT_TIME;
 | 
			
		||||
 | 
			
		||||
		q('DELETE FROM `photo` WHERE `uid` = 0 AND `resource-id` LIKE "pic:%%" AND `created` < NOW() - INTERVAL %d SECOND', $cachetime);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	// Delete the cached OEmbed entries that are older than one year
 | 
			
		||||
	q("DELETE FROM `oembed` WHERE `created` < NOW() - INTERVAL 1 YEAR");
 | 
			
		||||
 | 
			
		||||
	// Delete the cached "parse_url" entries that are older than one year
 | 
			
		||||
	q("DELETE FROM `parsed_url` WHERE `created` < NOW() - INTERVAL 1 YEAR");
 | 
			
		||||
 | 
			
		||||
	// Maximum table size in megabyte
 | 
			
		||||
	$max_tablesize = intval(get_config('system','optimize_max_tablesize')) * 1000000;
 | 
			
		||||
	if ($max_tablesize == 0)
 | 
			
		||||
		$max_tablesize = 100 * 1000000; // Default are 100 MB
 | 
			
		||||
 | 
			
		||||
	// Minimum fragmentation level in percent
 | 
			
		||||
	$fragmentation_level = intval(get_config('system','optimize_fragmentation')) / 100;
 | 
			
		||||
	if ($fragmentation_level == 0)
 | 
			
		||||
		$fragmentation_level = 0.3; // Default value is 30%
 | 
			
		||||
 | 
			
		||||
	// Optimize some tables that need to be optimized
 | 
			
		||||
	$r = q("SHOW TABLE STATUS");
 | 
			
		||||
	foreach($r as $table) {
 | 
			
		||||
 | 
			
		||||
		// Don't optimize tables that are too large
 | 
			
		||||
		if ($table["Data_length"] > $max_tablesize)
 | 
			
		||||
			continue;
 | 
			
		||||
 | 
			
		||||
		// Don't optimize empty tables
 | 
			
		||||
		if ($table["Data_length"] == 0)
 | 
			
		||||
			continue;
 | 
			
		||||
 | 
			
		||||
		// Calculate fragmentation
 | 
			
		||||
		$fragmentation = $table["Data_free"] / $table["Data_length"];
 | 
			
		||||
 | 
			
		||||
		logger("Table ".$table["Name"]." - Fragmentation level: ".round($fragmentation * 100, 2), LOGGER_DEBUG);
 | 
			
		||||
 | 
			
		||||
		// Don't optimize tables that needn't to be optimized
 | 
			
		||||
		if ($fragmentation < $fragmentation_level)
 | 
			
		||||
			continue;
 | 
			
		||||
 | 
			
		||||
		// So optimize it
 | 
			
		||||
		logger("Optimize Table ".$table["Name"], LOGGER_DEBUG);
 | 
			
		||||
		q("OPTIMIZE TABLE `%s`", dbesc($table["Name"]));
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	set_config('system','cache_last_cleared', time());
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 * @brief Repair missing values in Diaspora contacts
 | 
			
		||||
 *
 | 
			
		||||
 * @param App $a
 | 
			
		||||
 */
 | 
			
		||||
function cron_repair_diaspora(&$a) {
 | 
			
		||||
	$r = q("SELECT `id`, `url` FROM `contact`
 | 
			
		||||
		WHERE `network` = '%s' AND (`batch` = '' OR `notify` = '' OR `poll` = '' OR pubkey = '')
 | 
			
		||||
			ORDER BY RAND() LIMIT 50", dbesc(NETWORK_DIASPORA));
 | 
			
		||||
	if ($r) {
 | 
			
		||||
		foreach ($r AS $contact) {
 | 
			
		||||
			if (poco_reachable($contact["url"])) {
 | 
			
		||||
				$data = probe_url($contact["url"]);
 | 
			
		||||
				if ($data["network"] == NETWORK_DIASPORA) {
 | 
			
		||||
					logger("Repair contact ".$contact["id"]." ".$contact["url"], LOGGER_DEBUG);
 | 
			
		||||
					q("UPDATE `contact` SET `batch` = '%s', `notify` = '%s', `poll` = '%s', pubkey = '%s' WHERE `id` = %d",
 | 
			
		||||
						dbesc($data["batch"]), dbesc($data["notify"]), dbesc($data["poll"]), dbesc($data["pubkey"]),
 | 
			
		||||
						intval($contact["id"]));
 | 
			
		||||
				}
 | 
			
		||||
			}
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
if (array_search(__file__,get_included_files())===0){
 | 
			
		||||
	cron_run($_SERVER["argv"],$_SERVER["argc"]);
 | 
			
		||||
	killme();
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -1021,6 +1021,30 @@ function db_definition() {
 | 
			
		|||
					"receiver-uid" => array("receiver-uid"),
 | 
			
		||||
					)
 | 
			
		||||
			);
 | 
			
		||||
	$database["oembed"] = array(
 | 
			
		||||
			"fields" => array(
 | 
			
		||||
					"url" => array("type" => "varchar(255)", "not null" => "1", "primary" => "1"),
 | 
			
		||||
					"content" => array("type" => "text", "not null" => "1"),
 | 
			
		||||
					"created" => array("type" => "datetime", "not null" => "1", "default" => "0000-00-00 00:00:00"),
 | 
			
		||||
					),
 | 
			
		||||
			"indexes" => array(
 | 
			
		||||
					"PRIMARY" => array("url"),
 | 
			
		||||
					"created" => array("created"),
 | 
			
		||||
					)
 | 
			
		||||
			);
 | 
			
		||||
	$database["parsed_url"] = array(
 | 
			
		||||
			"fields" => array(
 | 
			
		||||
					"url" => array("type" => "varchar(255)", "not null" => "1", "primary" => "1"),
 | 
			
		||||
					"guessing" => array("type" => "tinyint(1)", "not null" => "1", "default" => "0", "primary" => "1"),
 | 
			
		||||
					"oembed" => array("type" => "tinyint(1)", "not null" => "1", "default" => "0", "primary" => "1"),
 | 
			
		||||
					"content" => array("type" => "text", "not null" => "1"),
 | 
			
		||||
					"created" => array("type" => "datetime", "not null" => "1", "default" => "0000-00-00 00:00:00"),
 | 
			
		||||
					),
 | 
			
		||||
			"indexes" => array(
 | 
			
		||||
					"PRIMARY" => array("url", "guessing", "oembed"),
 | 
			
		||||
					"created" => array("created"),
 | 
			
		||||
					)
 | 
			
		||||
			);
 | 
			
		||||
	$database["pconfig"] = array(
 | 
			
		||||
			"fields" => array(
 | 
			
		||||
					"id" => array("type" => "int(11)", "not null" => "1", "extra" => "auto_increment", "primary" => "1"),
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -1973,11 +1973,15 @@ function diaspora_photo($importer,$xml,$msg,$attempt=1) {
 | 
			
		|||
					   array($remote_photo_name, 'scaled_full_' . $remote_photo_name));
 | 
			
		||||
 | 
			
		||||
	if(strpos($parent_item['body'],$link_text) === false) {
 | 
			
		||||
 | 
			
		||||
		$parent_item['body'] = $link_text . $parent_item['body'];
 | 
			
		||||
 | 
			
		||||
		$r = q("UPDATE `item` SET `body` = '%s', `visible` = 1 WHERE `id` = %d AND `uid` = %d",
 | 
			
		||||
			dbesc($link_text . $parent_item['body']),
 | 
			
		||||
			dbesc($parent_item['body']),
 | 
			
		||||
			intval($parent_item['id']),
 | 
			
		||||
			intval($parent_item['uid'])
 | 
			
		||||
		);
 | 
			
		||||
		put_item_in_cache($parent_item, true);
 | 
			
		||||
		update_thread($parent_item['id']);
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -955,8 +955,9 @@ function add_page_info_data($data) {
 | 
			
		|||
		$a = get_app();
 | 
			
		||||
		$hashtags = "\n";
 | 
			
		||||
		foreach ($data["keywords"] AS $keyword) {
 | 
			
		||||
			$hashtag = str_replace(array(" ", "+", "/", ".", "#", "'"),
 | 
			
		||||
						array("","", "", "", "", ""), $keyword);
 | 
			
		||||
			/// @todo make a positive list of allowed characters
 | 
			
		||||
			$hashtag = str_replace(array(" ", "+", "/", ".", "#", "'", "’", "`", "(", ")", "„", "“"),
 | 
			
		||||
						array("","", "", "", "", "", "", "", "", "", "", ""), $keyword);
 | 
			
		||||
			$hashtags .= "#[url=".$a->get_baseurl()."/search?tag=".rawurlencode($hashtag)."]".$hashtag."[/url] ";
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
| 
						 | 
				
			
			@ -967,12 +968,7 @@ function add_page_info_data($data) {
 | 
			
		|||
function query_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "") {
 | 
			
		||||
	require_once("mod/parse_url.php");
 | 
			
		||||
 | 
			
		||||
	$data = Cache::get("parse_url:".$url);
 | 
			
		||||
	if (is_null($data)){
 | 
			
		||||
		$data = parseurl_getsiteinfo($url, true);
 | 
			
		||||
		Cache::set("parse_url:".$url,serialize($data), CACHE_DAY);
 | 
			
		||||
	} else
 | 
			
		||||
		$data = unserialize($data);
 | 
			
		||||
	$data = parseurl_getsiteinfo_cached($url, true);
 | 
			
		||||
 | 
			
		||||
	if ($photo != "")
 | 
			
		||||
		$data["images"][0]["src"] = $photo;
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -13,7 +13,13 @@ function oembed_fetch_url($embedurl, $no_rich_type = false){
 | 
			
		|||
 | 
			
		||||
	$a = get_app();
 | 
			
		||||
 | 
			
		||||
	$txt = Cache::get($a->videowidth . $embedurl);
 | 
			
		||||
	$r = q("SELECT * FROM `oembed` WHERE `url` = '%s'",
 | 
			
		||||
		dbesc(normalise_link($embedurl)));
 | 
			
		||||
 | 
			
		||||
	if ($r)
 | 
			
		||||
		$txt = $r[0]["content"];
 | 
			
		||||
	else
 | 
			
		||||
		$txt = Cache::get($a->videowidth . $embedurl);
 | 
			
		||||
 | 
			
		||||
	// These media files should now be caught in bbcode.php
 | 
			
		||||
	// left here as a fallback in case this is called from another source
 | 
			
		||||
| 
						 | 
				
			
			@ -66,8 +72,14 @@ function oembed_fetch_url($embedurl, $no_rich_type = false){
 | 
			
		|||
 | 
			
		||||
		if ($txt[0]!="{")
 | 
			
		||||
			$txt='{"type":"error"}';
 | 
			
		||||
		else	//save in cache
 | 
			
		||||
		else {	//save in cache
 | 
			
		||||
			$j = json_decode($txt);
 | 
			
		||||
			if ($j->type != "error")
 | 
			
		||||
				q("INSERT INTO `oembed` (`url`, `content`, `created`) VALUES ('%s', '%s', '%s')",
 | 
			
		||||
					dbesc(normalise_link($embedurl)), dbesc($txt), dbesc(datetime_convert()));
 | 
			
		||||
 | 
			
		||||
			Cache::set($a->videowidth . $embedurl,$txt, CACHE_DAY);
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	$j = json_decode($txt);
 | 
			
		||||
| 
						 | 
				
			
			@ -85,7 +97,7 @@ function oembed_fetch_url($embedurl, $no_rich_type = false){
 | 
			
		|||
	// If fetching information doesn't work, then improve via internal functions
 | 
			
		||||
	if (($j->type == "error") OR ($no_rich_type AND ($j->type == "rich"))) {
 | 
			
		||||
		require_once("mod/parse_url.php");
 | 
			
		||||
		$data = parseurl_getsiteinfo($embedurl, true, false);
 | 
			
		||||
		$data = parseurl_getsiteinfo_cached($embedurl, true, false);
 | 
			
		||||
		$j->type = $data["type"];
 | 
			
		||||
 | 
			
		||||
		if ($j->type == "photo") {
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -20,10 +20,10 @@ function replace_macros($s,$r) {
 | 
			
		|||
	$stamp1 = microtime(true);
 | 
			
		||||
 | 
			
		||||
	$a = get_app();
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
	// pass $baseurl to all templates
 | 
			
		||||
	$r['$baseurl'] = z_root();
 | 
			
		||||
	
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
	$t = $a->template_engine();
 | 
			
		||||
	try {
 | 
			
		||||
| 
						 | 
				
			
			@ -895,9 +895,9 @@ function contact_block() {
 | 
			
		|||
		$micropro = Null;
 | 
			
		||||
 | 
			
		||||
	} else {
 | 
			
		||||
		$r = q("SELECT * FROM `contact`
 | 
			
		||||
				WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0
 | 
			
		||||
					AND `hidden` = 0 AND `archive` = 0
 | 
			
		||||
		$r = q("SELECT `id`, `uid`, `addr`, `url`, `name`, `micro`, `network` FROM `contact`
 | 
			
		||||
				WHERE `uid` = %d AND NOT `self` AND NOT `blocked` AND NOT `pending`
 | 
			
		||||
					AND NOT `hidden` AND NOT `archive`
 | 
			
		||||
				AND `network` IN ('%s', '%s', '%s') ORDER BY RAND() LIMIT %d",
 | 
			
		||||
				intval($a->profile['uid']),
 | 
			
		||||
				dbesc(NETWORK_DFRN),
 | 
			
		||||
| 
						 | 
				
			
			@ -1415,7 +1415,14 @@ function prepare_body(&$item,$attach = false, $preview = false) {
 | 
			
		|||
	$item['hashtags'] = $hashtags;
 | 
			
		||||
	$item['mentions'] = $mentions;
 | 
			
		||||
 | 
			
		||||
	put_item_in_cache($item, true);
 | 
			
		||||
	// Update the cached values if there is no "zrl=..." on the links
 | 
			
		||||
	$update = (!local_user() and !remote_user() and ($item["uid"] == 0));
 | 
			
		||||
 | 
			
		||||
	// Or update it if the current viewer is the intented viewer
 | 
			
		||||
	if (($item["uid"] == local_user()) AND ($item["uid"] != 0))
 | 
			
		||||
		$update = true;
 | 
			
		||||
 | 
			
		||||
	put_item_in_cache($item, $update);
 | 
			
		||||
	$s = $item["rendered-html"];
 | 
			
		||||
 | 
			
		||||
	$prep_arr = array('item' => $item, 'html' => $s, 'preview' => $preview);
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -112,7 +112,7 @@ function update_thread_uri($itemuri, $uid) {
 | 
			
		|||
 | 
			
		||||
function update_thread($itemid, $setmention = false) {
 | 
			
		||||
	$items = q("SELECT `uid`, `guid`, `title`, `body`, `created`, `edited`, `commented`, `received`, `changed`, `wall`, `private`, `pubmail`, `moderated`, `visible`, `spam`, `starred`, `bookmark`, `contact-id`, `gcontact-id`,
 | 
			
		||||
			`deleted`, `origin`, `forum_mode`, `network`  FROM `item` WHERE `id` = %d AND (`parent` = %d OR `parent` = 0) LIMIT 1", intval($itemid), intval($itemid));
 | 
			
		||||
			`deleted`, `origin`, `forum_mode`, `network`, `rendered-html`, `rendered-hash` FROM `item` WHERE `id` = %d AND (`parent` = %d OR `parent` = 0) LIMIT 1", intval($itemid), intval($itemid));
 | 
			
		||||
 | 
			
		||||
	if (!$items)
 | 
			
		||||
		return;
 | 
			
		||||
| 
						 | 
				
			
			@ -125,7 +125,7 @@ function update_thread($itemid, $setmention = false) {
 | 
			
		|||
	$sql = "";
 | 
			
		||||
 | 
			
		||||
	foreach ($item AS $field => $data)
 | 
			
		||||
		if (!in_array($field, array("guid", "title", "body"))) {
 | 
			
		||||
		if (!in_array($field, array("guid", "title", "body", "rendered-html", "rendered-hash"))) {
 | 
			
		||||
			if ($sql != "")
 | 
			
		||||
				$sql .= ", ";
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -142,9 +142,11 @@ function update_thread($itemid, $setmention = false) {
 | 
			
		|||
	if (!$items)
 | 
			
		||||
		return;
 | 
			
		||||
 | 
			
		||||
	$result = q("UPDATE `item` SET `title` = '%s', `body` = '%s' WHERE `id` = %d",
 | 
			
		||||
	$result = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `rendered-html` = '%s', `rendered-hash` = '%s' WHERE `id` = %d",
 | 
			
		||||
			dbesc($item["title"]),
 | 
			
		||||
			dbesc($item["body"]),
 | 
			
		||||
			dbesc($item["rendered-html"]),
 | 
			
		||||
			dbesc($item["rendered-hash"]),
 | 
			
		||||
			intval($items[0]["id"])
 | 
			
		||||
		);
 | 
			
		||||
	logger("Updating public shadow for post ".$items[0]["id"]." - guid ".$item["guid"]." Result: ".print_r($result, true), LOGGER_DEBUG);
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -556,6 +556,7 @@ EOT;
 | 
			
		|||
$page    = $a->page;
 | 
			
		||||
$profile = $a->profile;
 | 
			
		||||
 | 
			
		||||
header("X-Friendica-Version: ".FRIENDICA_VERSION);
 | 
			
		||||
header("Content-type: text/html; charset=utf-8");
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -14,6 +14,10 @@ function community_content(&$a, $update = 0) {
 | 
			
		|||
 | 
			
		||||
	$o = '';
 | 
			
		||||
 | 
			
		||||
	// Currently the community page isn't able to handle update requests
 | 
			
		||||
	if ($update)
 | 
			
		||||
		return;
 | 
			
		||||
 | 
			
		||||
	if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
 | 
			
		||||
		notice( t('Public access denied.') . EOL);
 | 
			
		||||
		return;
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -340,6 +340,10 @@ function display_content(&$a, $update = 0) {
 | 
			
		|||
		return;
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	// Why do we need this on the display page? We don't have the possibility to write new content here.
 | 
			
		||||
	// Ad editing of posts work without this as well.
 | 
			
		||||
	// We should remove this completely for the 3.5.1 release.
 | 
			
		||||
	/*
 | 
			
		||||
	if ($is_owner) {
 | 
			
		||||
		$x = array(
 | 
			
		||||
			'is_owner' => true,
 | 
			
		||||
| 
						 | 
				
			
			@ -355,6 +359,7 @@ function display_content(&$a, $update = 0) {
 | 
			
		|||
		);
 | 
			
		||||
		$o .= status_editor($a,$x,0,true);
 | 
			
		||||
	}
 | 
			
		||||
	*/
 | 
			
		||||
 | 
			
		||||
	$sql_extra = item_permissions_sql($a->profile['uid'],$remote_contact,$groups);
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -56,7 +56,15 @@ function completeurl($url, $scheme) {
 | 
			
		|||
 | 
			
		||||
function parseurl_getsiteinfo_cached($url, $no_guessing = false, $do_oembed = true) {
 | 
			
		||||
 | 
			
		||||
	$data = Cache::get("parse_url:".$no_guessing.":".$do_oembed.":".$url);
 | 
			
		||||
	if ($url == "")
 | 
			
		||||
		return false;
 | 
			
		||||
 | 
			
		||||
	$r = q("SELECT * FROM `parsed_url` WHERE `url` = '%s' AND `guessing` = %d AND `oembed` = %d",
 | 
			
		||||
		dbesc(normalise_link($url)), intval(!$no_guessing), intval($do_oembed));
 | 
			
		||||
 | 
			
		||||
	if ($r)
 | 
			
		||||
		$data = $r[0]["content"];
 | 
			
		||||
 | 
			
		||||
	if (!is_null($data)) {
 | 
			
		||||
		$data = unserialize($data);
 | 
			
		||||
		return $data;
 | 
			
		||||
| 
						 | 
				
			
			@ -64,7 +72,8 @@ function parseurl_getsiteinfo_cached($url, $no_guessing = false, $do_oembed = tr
 | 
			
		|||
 | 
			
		||||
	$data = parseurl_getsiteinfo($url, $no_guessing, $do_oembed);
 | 
			
		||||
 | 
			
		||||
	Cache::set("parse_url:".$no_guessing.":".$do_oembed.":".$url,serialize($data), CACHE_DAY);
 | 
			
		||||
	q("INSERT INTO `parsed_url` (`url`, `guessing`, `oembed`, `content`, `created`) VALUES ('%s', %d, %d, '%s', '%s')",
 | 
			
		||||
		dbesc(normalise_link($url)), intval(!$no_guessing), intval($do_oembed), dbesc(serialize($data)), dbesc(datetime_convert()));
 | 
			
		||||
 | 
			
		||||
	return $data;
 | 
			
		||||
}
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -1,6 +1,6 @@
 | 
			
		|||
<?php
 | 
			
		||||
 | 
			
		||||
define( 'UPDATE_VERSION' , 1192 );
 | 
			
		||||
define( 'UPDATE_VERSION' , 1193 );
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 *
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -1,12 +1,7 @@
 | 
			
		|||
<?php
 | 
			
		||||
 | 
			
		||||
if (file_exists("$THEMEPATH//style.css")){
 | 
			
		||||
	echo file_get_contents("$THEMEPATH//style.css");
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
$uid = get_theme_uid();
 | 
			
		||||
 | 
			
		||||
$style = get_pconfig( $uid, 'vier', 'style');
 | 
			
		||||
$style = get_pconfig($uid, 'vier', 'style');
 | 
			
		||||
 | 
			
		||||
if ($style == "")
 | 
			
		||||
	$style = get_config('vier', 'style');
 | 
			
		||||
| 
						 | 
				
			
			@ -15,14 +10,45 @@ if ($style == "")
 | 
			
		|||
	$style = "plus";
 | 
			
		||||
 | 
			
		||||
if ($style == "flat")
 | 
			
		||||
	$stylecss = file_get_contents('view/theme/vier/flat.css');
 | 
			
		||||
	$stylecssfile = 'view/theme/vier/flat.css';
 | 
			
		||||
else if ($style == "netcolour")
 | 
			
		||||
	$stylecss = file_get_contents('view/theme/vier/netcolour.css');
 | 
			
		||||
	$stylecssfile = 'view/theme/vier/netcolour.css';
 | 
			
		||||
else if ($style == "breathe")
 | 
			
		||||
	$stylecss = file_get_contents('view/theme/vier/breathe.css');
 | 
			
		||||
	$stylecssfile = 'view/theme/vier/breathe.css';
 | 
			
		||||
else if ($style == "plus")
 | 
			
		||||
	$stylecss = file_get_contents('view/theme/vier/plus.css');
 | 
			
		||||
	$stylecssfile = 'view/theme/vier/plus.css';
 | 
			
		||||
else if ($style == "dark")
 | 
			
		||||
	$stylecss = file_get_contents('view/theme/vier/dark.css');
 | 
			
		||||
	$stylecssfile = 'view/theme/vier/dark.css';
 | 
			
		||||
 | 
			
		||||
if (file_exists($THEMEPATH."//style.css")) {
 | 
			
		||||
	$stylecss = file_get_contents($THEMEPATH."//style.css")."\n";
 | 
			
		||||
	$modified = filemtime($THEMEPATH."//style.css");
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
$stylemodified = filemtime($stylecssfile);
 | 
			
		||||
$stylecss .= file_get_contents($stylecssfile);
 | 
			
		||||
 | 
			
		||||
if ($stylemodified > $modified)
 | 
			
		||||
	$modified = $stylemodified;
 | 
			
		||||
 | 
			
		||||
$modified = gmdate('r', $modified);
 | 
			
		||||
 | 
			
		||||
$etag = md5($stylecss);
 | 
			
		||||
 | 
			
		||||
// Only send the CSS file if it was changed
 | 
			
		||||
header('Cache-Control: public');
 | 
			
		||||
header('ETag: "'.$etag.'"');
 | 
			
		||||
header('Last-Modified: '.$modified);
 | 
			
		||||
 | 
			
		||||
if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) || isset($_SERVER['HTTP_IF_NONE_MATCH'])) {
 | 
			
		||||
 | 
			
		||||
	$cached_modified = gmdate('r', strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']));
 | 
			
		||||
	$cached_etag = str_replace(array('"', "-gzip"), array('', ''),
 | 
			
		||||
				stripslashes($_SERVER['HTTP_IF_NONE_MATCH']));
 | 
			
		||||
 | 
			
		||||
	if (($cached_modified == $modified) AND ($cached_etag == $etag)) {
 | 
			
		||||
		header('HTTP/1.1 304 Not Modified');
 | 
			
		||||
		exit();
 | 
			
		||||
	}
 | 
			
		||||
}
 | 
			
		||||
echo $stylecss;
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
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