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Cache made by var_export (performances)

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Added:
  - choice of hash algo (for large sets of cache)
  - cache made by var_export instead of json_encode
  - fs cache is now put in a php file to be opcode cached by APC (PHP<5.5) or OPcache (PHP>=5.5)

var_export conv : if your cache values are only numbers, var_export will create larger files. But in this project, cache are mostly characters. So, your files will be smaller because they won't be 'json encoded'. 
- No json_encode/decode : better performances

Other things : var_export returns the exact PHP code so that it could be cached as opcode.
This commit is contained in:
Landrok 2014-02-10 00:59:38 +01:00
parent 9c8a9d1d1d
commit f464e024c7
1 changed files with 11 additions and 5 deletions
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14
caches/FileCache.php
View File

@ -1,14 +1,20 @@
<?php
/**
* Cache with file system
*
*
*/
class FileCache extends CacheAbstract{
protected $cacheDirCreated; // boolean to avoid always chck dir cache existance
protected
$cacheDirCreated, // boolean to avoid always chck dir cache existance
$hash_algo = 'sha1' // hash method for cache key
;
public function loadData(){
$this->isPrepareCache();
$datas = json_decode(file_get_contents($this->getCacheFile()),true);
$datas = include( $this->getCacheFile() );
$items = array();
foreach($datas as $aData){
$item = new \Item();
@ -24,7 +30,7 @@ class FileCache extends CacheAbstract{
public function saveData($datas){
$this->isPrepareCache();
file_put_contents($this->getCacheFile(), json_encode($datas));
file_put_contents($this->getCacheFile(), '<?php return '.var_export($datas) );
return $this;
}
@ -87,6 +93,6 @@ class FileCache extends CacheAbstract{
$this->isPrepareCache();
$stringToEncode = $_SERVER['REQUEST_URI'] . http_build_query($this->param);
return hash('sha1', $stringToEncode) . '.cache';
return hash($this->hash_algo , $stringToEncode) . '.cache.php';
}
}