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<?php
namespace TomPHP\ContainerConfigurator\FileReader;
use Assert\Assertion;
use TomPHP\ContainerConfigurator\Exception\InvalidConfigException;
final class JSONFileReader implements FileReader
{
const JSON_ERRORS = [
JSON_ERROR_NONE => null,
JSON_ERROR_DEPTH => 'Maximum stack depth exceeded',
JSON_ERROR_STATE_MISMATCH => 'Underflow or the modes mismatch',
JSON_ERROR_CTRL_CHAR => 'Unexpected control character found',
JSON_ERROR_SYNTAX => 'Syntax error, malformed JSON',
JSON_ERROR_UTF8 => 'Malformed UTF-8 characters, possibly incorrectly encoded',
];
/**
* @var string
*/
private $filename;
public function read($filename)
Assertion::file($filename);
$this->filename = $filename;
$config = json_decode(file_get_contents($filename), true);
if (json_last_error() !== JSON_ERROR_NONE) {
throw InvalidConfigException::fromJSONFileError($filename, $this->getJsonError());
}
return $config;
* @return string
private function getJsonError()
if (function_exists('json_last_error_msg')) {
return json_last_error_msg();
return self::JSON_ERRORS[json_last_error()];
tomphp /
container-configurator
