116 lines
2.7 KiB
PHP
116 lines
2.7 KiB
PHP
<?php
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/**
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* A flat-file filesystem cache.
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*
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* @category Xamin
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* @package Handlebars
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* @author Alex Soncodi <alex@brokerloop.com>
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* @author Behrooz Shabani <everplays@gmail.com>
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* @author Mardix <https://github.com/mardix>
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* @copyright 2013 (c) Brokerloop, Inc.
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* @copyright 2013 (c) Behrooz Shabani
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* @copyright 2013 (c) Mardix
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* @license MIT
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* @link http://voodoophp.org/docs/handlebars
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*/
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namespace Handlebars\Cache;
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use Handlebars\Cache;
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use InvalidArgumentException;
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use RuntimeException;
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class Disk implements Cache
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{
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private $path = '';
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private $prefix = '';
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private $suffix = '';
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/**
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* Construct the disk cache.
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*
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* @param string $path Filesystem path to the disk cache location
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* @param string $prefix optional file prefix, defaults to empty string
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* @param string $suffix optional file extension, defaults to empty string
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*
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* @throws \RuntimeException
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* @throws \InvalidArgumentException
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*/
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public function __construct($path, $prefix = '', $suffix = '')
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{
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if (empty($path)) {
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throw new InvalidArgumentException('Must specify disk cache path');
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} elseif (!is_dir($path)) {
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@mkdir($path, 0777, true);
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if (!is_dir($path)) {
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throw new RuntimeException('Could not create cache file path');
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}
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}
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$this->path = $path;
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$this->prefix = $prefix;
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$this->suffix = $suffix;
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}
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/**
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* Gets the full disk path for a given cache item's file,
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* taking into account the cache path, optional prefix,
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* and optional extension.
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*
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* @param string $name Name of the cache item
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*
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* @return string full disk path of cached item
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*/
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private function getPath($name)
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{
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return $this->path . DIRECTORY_SEPARATOR .
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$this->prefix . $name . $this->suffix;
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}
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/**
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* Get cache for $name if it exists.
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*
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* @param string $name Cache id
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*
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* @return mixed data on hit, boolean false on cache not found
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*/
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public function get($name)
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{
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$path = $this->getPath($name);
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return (file_exists($path)) ?
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unserialize(file_get_contents($path)) : false;
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}
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/**
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* Set a cache
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*
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* @param string $name cache id
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* @param mixed $value data to store
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*
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* @return void
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*/
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public function set($name, $value)
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{
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$path = $this->getPath($name);
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file_put_contents($path, serialize($value));
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}
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/**
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* Remove cache
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*
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* @param string $name Cache id
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*
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* @return void
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*/
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public function remove($name)
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{
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$path = $this->getPath($name);
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unlink($path);
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}
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}
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