/includes/Cache/Lite/Function.php
PHP | 118 lines | 54 code | 11 blank | 53 comment | 9 complexity | 4ab02230e9a6192d15dadb4561ae01b0 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.1
- <?php
- /**
- * This class extends Cache_Lite and can be used to cache the result and output of functions/methods
- *
- * This class is completly inspired from Sebastian Bergmann's
- * PEAR/Cache_Function class. This is only an adaptation to
- * Cache_Lite
- *
- * There are some examples in the 'docs/examples' file
- * Technical choices are described in the 'docs/technical' file
- *
- * @package Cache_Lite
- * @version $Id: Function.php 47 2005-09-15 02:55:27Z rhuk $
- * @author Sebastian BERGMANN <sb@sebastian-bergmann.de>
- * @author Fabien MARTY <fab@php.net>
- */
- // no direct access
- defined( '_VALID_MOS' ) or die( 'Restricted access' );
- require_once( $mosConfig_absolute_path . '/includes/Cache/Lite.php' );
- class Cache_Lite_Function extends Cache_Lite
- {
- // --- Private properties ---
- /**
- * Default cache group for function caching
- *
- * @var string $_defaultGroup
- */
- var $_defaultGroup = 'Cache_Lite_Function';
- // --- Public methods ----
- /**
- * Constructor
- *
- * $options is an assoc. To have a look at availables options,
- * see the constructor of the Cache_Lite class in 'Cache_Lite.php'
- *
- * Comparing to Cache_Lite constructor, there is another option :
- * $options = array(
- * (...) see Cache_Lite constructor
- * 'defaultGroup' => default cache group for function caching (string)
- * );
- *
- * @param array $options options
- * @access public
- */
- function Cache_Lite_Function($options = array(NULL))
- {
- if (isset($options['defaultGroup'])) {
- $this->_defaultGroup = $options['defaultGroup'];
- }
- $this->Cache_Lite($options);
- }
- /**
- * Calls a cacheable function or method (or not if there is already a cache for it)
- *
- * Arguments of this method are read with func_get_args. So it doesn't appear
- * in the function definition. Synopsis :
- * call('functionName', $arg1, $arg2, ...)
- * (arg1, arg2... are arguments of 'functionName')
- *
- * @return mixed result of the function/method
- * @access public
- */
- function call()
- {
- $arguments = func_get_args();
- $numargs = func_num_args();
- for($i=1; $i < $numargs; $i++){
- $arguments[$i] = &$arguments[$i];
- }
- $id = serialize($arguments); // Generate a cache id
- if (!$this->_fileNameProtection) {
- $id = md5($id);
- // if fileNameProtection is set to false, then the id has to be hashed
- // because it's a very bad file name in most cases
- }
- $data = $this->get($id, $this->_defaultGroup);
- if ($data !== false) {
- $array = unserialize($data);
- $output = $array['output'];
- $result = $array['result'];
- } else {
- ob_start();
- ob_implicit_flush(false);
- $target = array_shift($arguments);
- if (strstr($target, '::')) { // classname::staticMethod
- list($class, $method) = explode('::', $target);
- $result = call_user_func_array(array($class, $method), $arguments);
- } else if (strstr($target, '->')) { // object->method
- // use a stupid name ($objet_123456789 because) of problems when the object
- // name is the same as this var name
- list($object_123456789, $method) = explode('->', $target);
- global $$object_123456789;
- $result = call_user_func_array(array($$object_123456789, $method), $arguments);
- } else { // function
- $result = call_user_func_array($target, $arguments);
- }
- $output = ob_get_contents();
- ob_end_clean();
- $array['output'] = $output;
- $array['result'] = $result;
- $this->save(serialize($array), $id, $this->_defaultGroup);
- }
- echo($output);
- return $result;
- }
- }
- ?>