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<?php
declare(strict_types=1);
namespace Dotenv\Parser;
use Dotenv\Util\Str;
final class Value
{
/**
* The string representation of the parsed value.
*
* @var string
*/
private $chars;
/**
* The locations of the variables in the value.
*
* @var int[]
*/
private $vars;
/**
* Internal constructor for a value.
*
* @param string $chars
* @param int[] $vars
*
* @return void
*/
private function __construct(string $chars, array $vars)
{
$this->chars = $chars;
$this->vars = $vars;
}
/**
* Create an empty value instance.
*
* @return \Dotenv\Parser\Value
*/
public static function blank()
{
return new self('', []);
}
/**
* Create a new value instance, appending the characters.
*
* @param string $chars
* @param bool $var
*
* @return \Dotenv\Parser\Value
*/
public function append(string $chars, bool $var)
{
return new self(
$this->chars.$chars,
$var ? \array_merge($this->vars, [Str::len($this->chars)]) : $this->vars
);
}
/**
* Get the string representation of the parsed value.
*
* @return string
*/
public function getChars()
{
return $this->chars;
}
/**
* Get the locations of the variables in the value.
*
* @return int[]
*/
public function getVars()
{
$vars = $this->vars;
\rsort($vars);
return $vars;
}
}
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