Summery Summery
Caches data to the filesystem
Syntax Syntax
Source Source
File: wp-includes/SimplePie/Cache/File.php
{ /** * Location string * * @see SimplePie::$cache_location * @var string */ protected $location; /** * Filename * * @var string */ protected $filename; /** * File extension * * @var string */ protected $extension; /** * File path * * @var string */ protected $name; /** * Create a new cache object * * @param string $location Location string (from SimplePie::$cache_location) * @param string $name Unique ID for the cache * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data */ public function __construct($location, $name, $type) { $this->location = $location; $this->filename = $name; $this->extension = $type; $this->name = "$this->location/$this->filename.$this->extension"; } /** * Save data to the cache * * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property * @return bool Successfulness */ public function save($data) { if (file_exists($this->name) && is_writable($this->name) || file_exists($this->location) && is_writable($this->location)) { if ($data instanceof SimplePie) { $data = $data->data; } $data = serialize($data); return (bool) file_put_contents($this->name, $data); } return false; } /** * Retrieve the data saved to the cache * * @return array Data for SimplePie::$data */ public function load() { if (file_exists($this->name) && is_readable($this->name)) { return unserialize(file_get_contents($this->name)); } return false; } /** * Retrieve the last modified time for the cache * * @return int Timestamp */ public function mtime() { return @filemtime($this->name); } /** * Set the last modified time to the current time * * @return bool Success status */ public function touch() { return @touch($this->name); } /** * Remove the cache * * @return bool Success status */ public function unlink() { if (file_exists($this->name)) { return unlink($this->name); } return false; } }