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64 lines
1.3 KiB
PHP
64 lines
1.3 KiB
PHP
<?php
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class DiskCache {
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private $dir;
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public function __construct($dir) {
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$this->dir = basename($dir);
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}
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public function getDir() {
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return $this->dir;
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}
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public function isWritable() {
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return is_dir($this->dir) && is_writable($this->dir);
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}
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public function exists($filename) {
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return file_exists($this->getFullPath($filename));
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}
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public function getSize($filename) {
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if ($this->exists($filename))
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return filesize($this->getFullPath($filename));
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else
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return -1;
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}
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public function getFullPath($filename) {
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$filename = basename($filename);
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return CACHE_DIR . "/" . $this->dir . "/" . $filename;
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}
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public function put($filename, $data) {
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return file_put_contents($this->getFullPath($filename), $data);
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}
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public function touch($filename) {
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return touch($this->getFullPath($filename));
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}
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public function get($filename) {
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if ($this->exists($filename))
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return file_get_contents($this->getFullPath($filename));
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else
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return null;
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}
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public function getMimeType($filename) {
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if ($this->exists($filename))
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return mime_content_type($this->getFullPath($filename));
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else
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return null;
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}
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public function send($filename) {
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return send_local_file($this->getFullPath($filename));
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}
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static public function getUrl($filename) {
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return get_self_url_prefix() . "/public.php?op=cached_url&file=" . $filename;
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}
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}
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