57 lines
1.4 KiB
PHP
57 lines
1.4 KiB
PHP
<?php
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/**
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* This class extends Cache_Lite and uses output buffering to get the data to cache.
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* It supports nesting of caches
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*
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* @package Cache_Lite
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* @author Markus Tacker <tacker@php.net>
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*/
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require_once('Cache/Lite/Output.php');
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class Cache_Lite_NestedOutput extends Cache_Lite_Output
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{
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private $nestedIds = array();
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private $nestedGroups = array();
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/**
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* Start the cache
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*
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* @param string $id cache id
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* @param string $group name of the cache group
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* @param boolean $doNotTestCacheValidity if set to true, the cache validity won't be tested
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* @return boolean|string false if the cache is not hit else the data
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* @access public
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*/
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function start($id, $group = 'default', $doNotTestCacheValidity = false)
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{
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$this->nestedIds[] = $id;
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$this->nestedGroups[] = $group;
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$data = $this->get($id, $group, $doNotTestCacheValidity);
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if ($data !== false) {
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return $data;
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}
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ob_start();
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ob_implicit_flush(false);
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return false;
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}
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/**
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* Stop the cache
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*
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* @param boolen
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* @return string return contents of cache
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*/
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function end()
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{
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$data = ob_get_contents();
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ob_end_clean();
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$id = array_pop($this->nestedIds);
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$group = array_pop($this->nestedGroups);
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$this->save($data, $id, $group);
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return $data;
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}
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}
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