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aschwarz
2023-03-14 14:47:50 +01:00
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83
lib/smarty_3/demo/plugins/cacheresource.apc.php Normal file
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<?php
/**
* APC CacheResource
* CacheResource Implementation based on the KeyValueStore API to use
* memcache as the storage resource for Smarty's output caching.
* *
*
* @package CacheResource-examples
* @author Uwe Tews
*/
class Smarty_CacheResource_Apc extends Smarty_CacheResource_KeyValueStore
{
public function __construct()
{
// test if APC is present
if (!function_exists('apc_cache_info')) {
throw new Exception('APC Template Caching Error: APC is not installed');
}
}
/**
* Read values for a set of keys from cache
*
* @param array $keys list of keys to fetch
*
* @return array list of values with the given keys used as indexes
* @return boolean true on success, false on failure
*/
protected function read(array $keys)
{
$_res = array();
$res = apc_fetch($keys);
foreach ($res as $k => $v) {
$_res[$k] = $v;
}
return $_res;
}
/**
* Save values for a set of keys to cache
*
* @param array $keys list of values to save
* @param int $expire expiration time
*
* @return boolean true on success, false on failure
*/
protected function write(array $keys, $expire = null)
{
foreach ($keys as $k => $v) {
apc_store($k, $v, $expire);
}
return true;
}
/**
* Remove values from cache
*
* @param array $keys list of keys to delete
*
* @return boolean true on success, false on failure
*/
protected function delete(array $keys)
{
foreach ($keys as $k) {
apc_delete($k);
}
return true;
}
/**
* Remove *all* values from cache
*
* @return boolean true on success, false on failure
*/
protected function purge()
{
return apc_clear_cache('user');
}
}

97
lib/smarty_3/demo/plugins/cacheresource.memcache.php Normal file
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<?php
/**
* Memcache CacheResource
* CacheResource Implementation based on the KeyValueStore API to use
* memcache as the storage resource for Smarty's output caching.
* Note that memcache has a limitation of 256 characters per cache-key.
* To avoid complications all cache-keys are translated to a sha1 hash.
*
* @package CacheResource-examples
* @author Rodney Rehm
*/
class Smarty_CacheResource_Memcache extends Smarty_CacheResource_KeyValueStore
{
/**
* memcache instance
*
* @var Memcache
*/
protected $memcache = null;
public function __construct()
{
$this->memcache = new Memcache();
$this->memcache->addServer('127.0.0.1', 11211);
}
/**
* Read values for a set of keys from cache
*
* @param array $keys list of keys to fetch
*
* @return array list of values with the given keys used as indexes
* @return boolean true on success, false on failure
*/
protected function read(array $keys)
{
$_keys = $lookup = array();
foreach ($keys as $k) {
$_k = sha1($k);
$_keys[] = $_k;
$lookup[$_k] = $k;
}
$_res = array();
$res = $this->memcache->get($_keys);
foreach ($res as $k => $v) {
$_res[$lookup[$k]] = $v;
}
return $_res;
}
/**
* Save values for a set of keys to cache
*
* @param array $keys list of values to save
* @param int $expire expiration time
*
* @return boolean true on success, false on failure
*/
protected function write(array $keys, $expire = null)
{
foreach ($keys as $k => $v) {
$k = sha1($k);
$this->memcache->set($k, $v, 0, $expire);
}
return true;
}
/**
* Remove values from cache
*
* @param array $keys list of keys to delete
*
* @return boolean true on success, false on failure
*/
protected function delete(array $keys)
{
foreach ($keys as $k) {
$k = sha1($k);
$this->memcache->delete($k);
}
return true;
}
/**
* Remove *all* values from cache
*
* @return boolean true on success, false on failure
*/
protected function purge()
{
$this->memcache->flush();
}
}

162
lib/smarty_3/demo/plugins/cacheresource.mysql.php Normal file
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<?php
/**
* MySQL CacheResource
* CacheResource Implementation based on the Custom API to use
* MySQL as the storage resource for Smarty's output caching.
* Table definition:
* <pre>CREATE TABLE IF NOT EXISTS `output_cache` (
* `id` CHAR(40) NOT NULL COMMENT 'sha1 hash',
* `name` VARCHAR(250) NOT NULL,
* `cache_id` VARCHAR(250) NULL DEFAULT NULL,
* `compile_id` VARCHAR(250) NULL DEFAULT NULL,
* `modified` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
* `content` LONGTEXT NOT NULL,
* PRIMARY KEY (`id`),
* INDEX(`name`),
* INDEX(`cache_id`),
* INDEX(`compile_id`),
* INDEX(`modified`)
* ) ENGINE = InnoDB;</pre>
*
* @package CacheResource-examples
* @author Rodney Rehm
*/
class Smarty_CacheResource_Mysql extends Smarty_CacheResource_Custom
{
// PDO instance
protected $db;
protected $fetch;
protected $fetchTimestamp;
protected $save;
public function __construct()
{
try {
$this->db = new PDO("mysql:dbname=test;host=127.0.0.1", "smarty");
}
catch (PDOException $e) {
throw new SmartyException('Mysql Resource failed: ' . $e->getMessage());
}
$this->fetch = $this->db->prepare('SELECT modified, content FROM output_cache WHERE id = :id');
$this->fetchTimestamp = $this->db->prepare('SELECT modified FROM output_cache WHERE id = :id');
$this->save = $this->db->prepare('REPLACE INTO output_cache (id, name, cache_id, compile_id, content)
VALUES (:id, :name, :cache_id, :compile_id, :content)');
}
/**
* fetch cached content and its modification time from data source
*
* @param string $id unique cache content identifier
* @param string $name template name
* @param string $cache_id cache id
* @param string $compile_id compile id
* @param string $content cached content
* @param integer $mtime cache modification timestamp (epoch)
*
* @return void
*/
protected function fetch($id, $name, $cache_id, $compile_id, &$content, &$mtime)
{
$this->fetch->execute(array('id' => $id));
$row = $this->fetch->fetch();
$this->fetch->closeCursor();
if ($row) {
$content = $row['content'];
$mtime = strtotime($row['modified']);
} else {
$content = null;
$mtime = null;
}
}
/**
* Fetch cached content's modification timestamp from data source
*
* @note implementing this method is optional. Only implement it if modification times can be accessed faster than loading the complete cached content.
*
* @param string $id unique cache content identifier
* @param string $name template name
* @param string $cache_id cache id
* @param string $compile_id compile id
*
* @return integer|boolean timestamp (epoch) the template was modified, or false if not found
*/
protected function fetchTimestamp($id, $name, $cache_id, $compile_id)
{
$this->fetchTimestamp->execute(array('id' => $id));
$mtime = strtotime($this->fetchTimestamp->fetchColumn());
$this->fetchTimestamp->closeCursor();
return $mtime;
}
/**
* Save content to cache
*
* @param string $id unique cache content identifier
* @param string $name template name
* @param string $cache_id cache id
* @param string $compile_id compile id
* @param integer|null $exp_time seconds till expiration time in seconds or null
* @param string $content content to cache
*
* @return boolean success
*/
protected function save($id, $name, $cache_id, $compile_id, $exp_time, $content)
{
$this->save->execute(array(
'id' => $id,
'name' => $name,
'cache_id' => $cache_id,
'compile_id' => $compile_id,
'content' => $content,
));
return !!$this->save->rowCount();
}
/**
* Delete content from cache
*
* @param string $name template name
* @param string $cache_id cache id
* @param string $compile_id compile id
* @param integer|null $exp_time seconds till expiration or null
*
* @return integer number of deleted caches
*/
protected function delete($name, $cache_id, $compile_id, $exp_time)
{
// delete the whole cache
if ($name === null && $cache_id === null && $compile_id === null && $exp_time === null) {
// returning the number of deleted caches would require a second query to count them
$query = $this->db->query('TRUNCATE TABLE output_cache');
return - 1;
}
// build the filter
$where = array();
// equal test name
if ($name !== null) {
$where[] = 'name = ' . $this->db->quote($name);
}
// equal test compile_id
if ($compile_id !== null) {
$where[] = 'compile_id = ' . $this->db->quote($compile_id);
}
// range test expiration time
if ($exp_time !== null) {
$where[] = 'modified < DATE_SUB(NOW(), INTERVAL ' . intval($exp_time) . ' SECOND)';
}
// equal test cache_id and match sub-groups
if ($cache_id !== null) {
$where[] = '(cache_id = ' . $this->db->quote($cache_id)
. ' OR cache_id LIKE ' . $this->db->quote($cache_id . '|%') . ')';
}
// run delete query
$query = $this->db->query('DELETE FROM output_cache WHERE ' . join(' AND ', $where));
return $query->rowCount();
}
}

60
lib/smarty_3/demo/plugins/resource.extendsall.php Normal file
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<?php
/**
* Extends All Resource
* Resource Implementation modifying the extends-Resource to walk
* through the template_dirs and inherit all templates of the same name
*
* @package Resource-examples
* @author Rodney Rehm
*/
class Smarty_Resource_Extendsall extends Smarty_Internal_Resource_Extends
{
/**
* populate Source Object with meta data from Resource
*
* @param Smarty_Template_Source $source source object
* @param Smarty_Internal_Template $_template template object
*
* @return void
*/
public function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template = null)
{
$uid = '';
$sources = array();
$exists = true;
foreach ($_template->smarty->getTemplateDir() as $key => $directory) {
try {
$s = Smarty_Resource::source(null, $source->smarty, '[' . $key . ']' . $source->name);
if (!$s->exists) {
continue;
}
$sources[$s->uid] = $s;
$uid .= $s->filepath;
}
catch (SmartyException $e) {
}
}
if (!$sources) {
$source->exists = false;
$source->template = $_template;
return;
}
$sources = array_reverse($sources, true);
reset($sources);
$s = current($sources);
$source->components = $sources;
$source->filepath = $s->filepath;
$source->uid = sha1($uid);
$source->exists = $exists;
if ($_template && $_template->smarty->compile_check) {
$source->timestamp = $s->timestamp;
}
// need the template at getContent()
$source->template = $_template;
}
}

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lib/smarty_3/demo/plugins/resource.mysql.php Normal file
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<?php
/**
* MySQL Resource
* Resource Implementation based on the Custom API to use
* MySQL as the storage resource for Smarty's templates and configs.
* Table definition:
* <pre>CREATE TABLE IF NOT EXISTS `templates` (
* `name` varchar(100) NOT NULL,
* `modified` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
* `source` text,
* PRIMARY KEY (`name`)
* ) ENGINE=InnoDB DEFAULT CHARSET=utf8;</pre>
* Demo data:
* <pre>INSERT INTO `templates` (`name`, `modified`, `source`) VALUES ('test.tpl', "2010-12-25 22:00:00", '{$x="hello world"}{$x}');</pre>
*
* @package Resource-examples
* @author Rodney Rehm
*/
class Smarty_Resource_Mysql extends Smarty_Resource_Custom
{
// PDO instance
protected $db;
// prepared fetch() statement
protected $fetch;
// prepared fetchTimestamp() statement
protected $mtime;
public function __construct()
{
try {
$this->db = new PDO("mysql:dbname=test;host=127.0.0.1", "smarty");
}
catch (PDOException $e) {
throw new SmartyException('Mysql Resource failed: ' . $e->getMessage());
}
$this->fetch = $this->db->prepare('SELECT modified, source FROM templates WHERE name = :name');
$this->mtime = $this->db->prepare('SELECT modified FROM templates WHERE name = :name');
}
/**
* Fetch a template and its modification time from database
*
* @param string $name template name
* @param string $source template source
* @param integer $mtime template modification timestamp (epoch)
*
* @return void
*/
protected function fetch($name, &$source, &$mtime)
{
$this->fetch->execute(array('name' => $name));
$row = $this->fetch->fetch();
$this->fetch->closeCursor();
if ($row) {
$source = $row['source'];
$mtime = strtotime($row['modified']);
} else {
$source = null;
$mtime = null;
}
}
/**
* Fetch a template's modification time from database
*
* @note implementing this method is optional. Only implement it if modification times can be accessed faster than loading the comple template source.
*
* @param string $name template name
*
* @return integer timestamp (epoch) the template was modified
*/
protected function fetchTimestamp($name)
{
$this->mtime->execute(array('name' => $name));
$mtime = $this->mtime->fetchColumn();
$this->mtime->closeCursor();
return strtotime($mtime);
}
}

62
lib/smarty_3/demo/plugins/resource.mysqls.php Normal file
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<?php
/**
* MySQL Resource
* Resource Implementation based on the Custom API to use
* MySQL as the storage resource for Smarty's templates and configs.
* Note that this MySQL implementation fetches the source and timestamps in
* a single database query, instead of two separate like resource.mysql.php does.
* Table definition:
* <pre>CREATE TABLE IF NOT EXISTS `templates` (
* `name` varchar(100) NOT NULL,
* `modified` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
* `source` text,
* PRIMARY KEY (`name`)
* ) ENGINE=InnoDB DEFAULT CHARSET=utf8;</pre>
* Demo data:
* <pre>INSERT INTO `templates` (`name`, `modified`, `source`) VALUES ('test.tpl', "2010-12-25 22:00:00", '{$x="hello world"}{$x}');</pre>
*
* @package Resource-examples
* @author Rodney Rehm
*/
class Smarty_Resource_Mysqls extends Smarty_Resource_Custom
{
// PDO instance
protected $db;
// prepared fetch() statement
protected $fetch;
public function __construct()
{
try {
$this->db = new PDO("mysql:dbname=test;host=127.0.0.1", "smarty");
}
catch (PDOException $e) {
throw new SmartyException('Mysql Resource failed: ' . $e->getMessage());
}
$this->fetch = $this->db->prepare('SELECT modified, source FROM templates WHERE name = :name');
}
/**
* Fetch a template and its modification time from database
*
* @param string $name template name
* @param string $source template source
* @param integer $mtime template modification timestamp (epoch)
*
* @return void
*/
protected function fetch($name, &$source, &$mtime)
{
$this->fetch->execute(array('name' => $name));
$row = $this->fetch->fetch();
$this->fetch->closeCursor();
if ($row) {
$source = $row['source'];
$mtime = strtotime($row['modified']);
} else {
$source = null;
$mtime = null;
}
}
}