Yaml.php

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<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Yaml;

use Symfony\Component\Yaml\Exception\ParseException;

class Yaml
{
    const DUMP_OBJECT = 1;
    const PARSE_EXCEPTION_ON_INVALID_TYPE = 2;
    const PARSE_OBJECT = 4;
    const PARSE_OBJECT_FOR_MAP = 8;
    const DUMP_EXCEPTION_ON_INVALID_TYPE = 16;
    const PARSE_DATETIME = 32;
    const DUMP_OBJECT_AS_MAP = 64;
    const DUMP_MULTI_LINE_LITERAL_BLOCK = 128;

    public static function parse($input, $flags = 0)
    {
        if (is_bool($flags)) {
            @trigger_error('Passing a boolean flag to toggle exception handling is deprecated since version 3.1 and will be removed in 4.0. Use the PARSE_EXCEPTION_ON_INVALID_TYPE flag instead.', E_USER_DEPRECATED);

            if ($flags) {
                $flags = self::PARSE_EXCEPTION_ON_INVALID_TYPE;
            } else {
                $flags = 0;
            }
        }

        if (func_num_args() >= 3) {
            @trigger_error('Passing a boolean flag to toggle object support is deprecated since version 3.1 and will be removed in 4.0. Use the PARSE_OBJECT flag instead.', E_USER_DEPRECATED);

            if (func_get_arg(2)) {
                $flags |= self::PARSE_OBJECT;
            }
        }

        if (func_num_args() >= 4) {
            @trigger_error('Passing a boolean flag to toggle object for map support is deprecated since version 3.1 and will be removed in 4.0. Use the Yaml::PARSE_OBJECT_FOR_MAP flag instead.', E_USER_DEPRECATED);

            if (func_get_arg(3)) {
                $flags |= self::PARSE_OBJECT_FOR_MAP;
            }
        }

        $yaml = new Parser();

        return $yaml->parse($input, $flags);
    }

    public static function dump($input, $inline = 2, $indent = 4, $flags = 0)
    {
        if (is_bool($flags)) {
            @trigger_error('Passing a boolean flag to toggle exception handling is deprecated since version 3.1 and will be removed in 4.0. Use the DUMP_EXCEPTION_ON_INVALID_TYPE flag instead.', E_USER_DEPRECATED);

            if ($flags) {
                $flags = self::DUMP_EXCEPTION_ON_INVALID_TYPE;
            } else {
                $flags = 0;
            }
        }

        if (func_num_args() >= 5) {
            @trigger_error('Passing a boolean flag to toggle object support is deprecated since version 3.1 and will be removed in 4.0. Use the DUMP_OBJECT flag instead.', E_USER_DEPRECATED);

            if (func_get_arg(4)) {
                $flags |= self::DUMP_OBJECT;
            }
        }

        $yaml = new Dumper($indent);

        return $yaml->dump($input, $inline, 0, $flags);
    }
}