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<?php
namespace RocketTheme\Toolbox\File;
use RuntimeException;
use function is_array;
/**
* Implements INI File reader.
*
* @package RocketTheme\Toolbox\File
* @author RocketTheme
* @license MIT
*/
class IniFile extends File
{
/** @var string */
protected $extension = '.ini';
/** @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 $var
* @return array
* @throws RuntimeException
*/
protected function check($var)
{
if (!is_array($var)) {
throw new RuntimeException('Provided data is not an array');
}
return $var;
}
/**
* Encode configuration object into RAW string (INI).
*
* @param array $var
* @return string
*/
protected function encode($var)
{
$string = '';
foreach ($var as $key => $value) {
$string .= $key . '="' . preg_replace(
['/"/', '/\\\/', "/\t/", "/\n/", "/\r/"],
['\"', '\\\\', '\t', '\n', '\r'],
$value
) . "\"\n";
}
return $string;
}
/**
* Decode INI file into contents.
*
* @param string $var
* @return array
* @throws RuntimeException
*/
protected function decode($var)
{
$decoded = null !== $this->filename && file_exists($this->filename) ? @parse_ini_file($this->filename) : [];
if ($decoded === false) {
throw new RuntimeException("Decoding file '{$this->filename}' failed'");
}
return $decoded;
}
}