89 lines
1.8 KiB
PHP
89 lines
1.8 KiB
PHP
<?php
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namespace top\library\cache;
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use top\library\cache\ifs\CacheIfs;
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class File implements CacheIfs
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{
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private static $instance;
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public static function instance()
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{
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if (!self::$instance) {
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self::$instance = new self();
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}
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return self::$instance;
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}
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private function __construct()
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{
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}
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private function __clone()
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{
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}
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/**
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* 设置缓存
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* {@inheritdoc}
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* @see \top\library\cache\CacheIfs::set()
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*/
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public function set($name = '', $value = '')
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{
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// TODO Auto-generated method stub
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$dirArray = explode('/', $name);
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unset($dirArray[count($dirArray) - 1]);
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$dir = implode('/', $dirArray);
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if (!is_dir($dir)) {
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mkdir($dir, 775, true);
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}
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if (file_put_contents($name, $value) !== false) {
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return true;
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}
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return false;
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}
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/**
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* 获取缓存
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* {@inheritdoc}
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* @see \top\library\cache\CacheIfs::get()
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*/
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public function get($name = '')
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{
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// TODO Auto-generated method stub
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}
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/**
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* 删除缓存
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* {@inheritdoc}
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* @see \top\library\cache\CacheIfs::_unset()
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*/
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public function _unset($name = '')
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{
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// TODO Auto-generated method stub
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}
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/**
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* 检测缓存
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* @param string $name
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* @param int $time
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* @return bool
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*/
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public function check($name = '', $time = 0)
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{
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if (file_exists($name)) {
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$modifyTime = filemtime($name);
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$nowTime = time();
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if ($nowTime - $modifyTime > $time) {
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return false;
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} else {
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return true;
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}
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} else {
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return false;
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}
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}
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}
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