function put($raw_key, &$value, $group = 'default')
{
$key = $this->_normalize_key($raw_key);
$this->cache[$group][$key] =& $value;
$file = $this->_get_cache_file_path($group, $key);
fs :: safe_write($file, $this->_make_php_content($value));
}
function test_safe_write()
{
fs :: safe_write(VAR_DIR . '/test', 'test');
$this->assertEqual('test',
file_get_contents(VAR_DIR . '/test'));
}
function _save_cache()
{
$php = "<?php\n";
$php .= '$charset = "' . $this->charset . '";' . "\n";
$php .= '$group_values = ' . var_export($this->group_values, true) . ";\n";
$php .= "\n?>";
fs :: safe_write($this->cache_file, $php);
}
