4 * This file is part of the Symfony package.
6 * (c) Fabien Potencier <fabien@symfony.com>
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
12 namespace Symfony\Component\Yaml;
14 use Symfony\Component\Yaml\Exception\ParseException;
17 * Yaml offers convenience methods to load and dump YAML.
19 * @author Fabien Potencier <fabien@symfony.com>
23 const DUMP_OBJECT = 1;
24 const PARSE_EXCEPTION_ON_INVALID_TYPE = 2;
25 const PARSE_OBJECT = 4;
26 const PARSE_OBJECT_FOR_MAP = 8;
27 const DUMP_EXCEPTION_ON_INVALID_TYPE = 16;
28 const PARSE_DATETIME = 32;
29 const DUMP_OBJECT_AS_MAP = 64;
30 const DUMP_MULTI_LINE_LITERAL_BLOCK = 128;
31 const PARSE_CONSTANT = 256;
34 * Parses YAML into a PHP value.
38 * $array = Yaml::parse(file_get_contents('config.yml'));
42 * @param string $input A string containing YAML
43 * @param int $flags A bit field of PARSE_* constants to customize the YAML parser behavior
45 * @return mixed The YAML converted to a PHP value
47 * @throws ParseException If the YAML is not valid
49 public static function parse($input, $flags = 0)
51 if (is_bool($flags)) {
52 @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);
55 $flags = self::PARSE_EXCEPTION_ON_INVALID_TYPE;
61 if (func_num_args() >= 3) {
62 @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);
64 if (func_get_arg(2)) {
65 $flags |= self::PARSE_OBJECT;
69 if (func_num_args() >= 4) {
70 @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);
72 if (func_get_arg(3)) {
73 $flags |= self::PARSE_OBJECT_FOR_MAP;
79 return $yaml->parse($input, $flags);
83 * Dumps a PHP value to a YAML string.
85 * The dump method, when supplied with an array, will do its best
86 * to convert the array into friendly YAML.
88 * @param mixed $input The PHP value
89 * @param int $inline The level where you switch to inline YAML
90 * @param int $indent The amount of spaces to use for indentation of nested nodes
91 * @param int $flags A bit field of DUMP_* constants to customize the dumped YAML string
93 * @return string A YAML string representing the original PHP value
95 public static function dump($input, $inline = 2, $indent = 4, $flags = 0)
97 if (is_bool($flags)) {
98 @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);
101 $flags = self::DUMP_EXCEPTION_ON_INVALID_TYPE;
107 if (func_num_args() >= 5) {
108 @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);
110 if (func_get_arg(4)) {
111 $flags |= self::DUMP_OBJECT;
115 $yaml = new Dumper($indent);
117 return $yaml->dump($input, $inline, 0, $flags);