Defined (1)

The class is defined in the following location(s).

/wp-includes/SimplePie/Cache/File.php  

class SimplePie_Cache_File implements SimplePie_Cache_Base 
{ 
    /** 
     * 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($this->name) && is_writeable($this->name) || file_exists($this->location) && is_writeable($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() 
    { 
        if (file_exists($this->name)) 
        { 
            return filemtime($this->name); 
        } 
        return false; 
    } 
 
    /** 
     * Set the last modified time to the current time 
     * 
     * @return bool Success status 
     */ 
    public function touch() 
    { 
        if (file_exists($this->name)) 
        { 
            return touch($this->name); 
        } 
        return false; 
    } 
 
    /** 
     * Remove the cache 
     * 
     * @return bool Success status 
     */ 
    public function unlink() 
    { 
        if (file_exists($this->name)) 
        { 
            return unlink($this->name); 
        } 
        return false; 
    } 
}