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<?php
namespace RocketTheme\Toolbox\File;
use function is_array;
use function is_object;
/**
* Implements Json File reader.
*
* @package RocketTheme\Toolbox\File
* @author RocketTheme
* @license MIT
*/
class JsonFile extends File
{
/** @var string */
protected $extension = '.json';
/** @var static[] */
static protected $instances = [];
/**
* @param array|null $var
* @return array
*/
public function content($var = null)
{
/** @var array $content */
$content = parent::content($var);
return $content;
}
/**
* Check contents and make sure it is in correct format.
*
* @param mixed $var
* @return array
*/
protected function check($var)
{
if (!(is_array($var) || is_object($var))) {
throw new \RuntimeException('Provided data is not an array');
}
return (array)$var;
}
/**
* Encode contents into RAW string.
*
* @param string $var
* @param int $options
* @return string
*/
protected function encode($var, $options = 0)
{
return (string)json_encode($var, $options);
}
/**
* Decode RAW string into contents.
*
* @param string $var
* @param bool $assoc
* @return array
*/
protected function decode($var, $assoc = false)
{
return (array) json_decode($var, $assoc);
}
}