/**
* Contructor
*/
public function __construct()
{
global $mangareader_root_path;
$this->cache_dir = $mangareader_root_path . 'cache/';
if (!reader_is_writable($this->cache_dir)) {
$this->not_writable = true;
trigger_error('CACHE_NOT_WRITABLE', E_WARNING);
}
}
/**
* Check if path is writable
*
* This will work for both *nix and windows systems
* @see https://bugs.php.net/bug.php?id=27609
* @see https://bugs.php.net/bug.php?id=30931
*
* @param string $path Use trailing slash for folders!
* @return boolean Either true if the path is writable or false if it is not
*/
function reader_is_writable($path)
{
if (strtolower(substr(PHP_OS, 0, 3)) == 'win' || !function_exists('is_writable')) {
if (file_exists($path)) {
$path = realpath($path);
if (is_dir($path)) {
// Try creating a new file in directory
$result = @tempnam($path, 'i_w');
if (is_string($result) && file_exists($result)) {
unlink($result);
// Ensure the file is actually in the directory
return strpos($result, $path) === 0 ? true : false;
}
} else {
$handle = @fopen($path, 'r+');
if (is_resource($handle)) {
fclose($handle);
return true;
}
}
} else {
// file does not exist test if we can write to the directory
$dir = dirname($path);
if (file_exists($dir) && is_dir($dir) && reader_is_writable($dir)) {
return true;
}
}
return false;
} else {
return is_writable($path);
}
}
