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<?php
namespace RocketTheme\Toolbox\File;
/**
* Implements INI File reader.
*
* @package RocketTheme\Toolbox\File
* @author RocketTheme
* @license MIT
*/
class IniFile extends File
{
/**
* @var string
*/
protected $extension = '.ini';
/**
* @var array|File[]
*/
static protected $instances = array();
/**
* Check contents and make sure it is in correct format.
*
* @param array $var
* @return array
* @throws \RuntimeException
*/
protected function check($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 $var
* @return string
* @throws \RuntimeException
*/
protected function encode($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)
{
$var = file_exists($this->filename) ? @parse_ini_file($this->filename) : [];
if ($var === false) {
throw new \RuntimeException("Decoding file '{$this->filename}' failed'");
}
return $var;
}
}