Verzeichnisstruktur phpBB-3.2.0
- Veröffentlicht
- 06.01.2017
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Yaml.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Component\Yaml;
013
014 use Symfony\Component\Yaml\Exception\ParseException;
015
016 /**
017 * Yaml offers convenience methods to load and dump YAML.
018 *
019 * @author Fabien Potencier <fabien@symfony.com>
020 */
021 class Yaml
022 {
023 /**
024 * Parses YAML into a PHP value.
025 *
026 * Usage:
027 * <code>
028 * $array = Yaml::parse(file_get_contents('config.yml'));
029 * print_r($array);
030 * </code>
031 *
032 * As this method accepts both plain strings and file names as an input,
033 * you must validate the input before calling this method. Passing a file
034 * as an input is a deprecated feature and will be removed in 3.0.
035 *
036 * Note: the ability to pass file names to the Yaml::parse method is deprecated since version 2.2 and will be removed in 3.0. Pass the YAML contents of the file instead.
037 *
038 * @param string $input Path to a YAML file or a string containing YAML
039 * @param bool $exceptionOnInvalidType True if an exception must be thrown on invalid types false otherwise
040 * @param bool $objectSupport True if object support is enabled, false otherwise
041 * @param bool $objectForMap True if maps should return a stdClass instead of array()
042 *
043 * @return mixed The YAML converted to a PHP value
044 *
045 * @throws ParseException If the YAML is not valid
046 */
047 public static function parse($input, $exceptionOnInvalidType = false, $objectSupport = false, $objectForMap = false)
048 {
049 // if input is a file, process it
050 $file = '';
051 if (strpos($input, "\n") === false && is_file($input)) {
052 @trigger_error('The ability to pass file names to the '.__METHOD__.' method is deprecated since version 2.2 and will be removed in 3.0. Pass the YAML contents of the file instead.', E_USER_DEPRECATED);
053
054 if (false === is_readable($input)) {
055 throw new ParseException(sprintf('Unable to parse "%s" as the file is not readable.', $input));
056 }
057
058 $file = $input;
059 $input = file_get_contents($file);
060 }
061
062 $yaml = new Parser();
063
064 try {
065 return $yaml->parse($input, $exceptionOnInvalidType, $objectSupport, $objectForMap);
066 } catch (ParseException $e) {
067 if ($file) {
068 $e->setParsedFile($file);
069 }
070
071 throw $e;
072 }
073 }
074
075 /**
076 * Dumps a PHP value to a YAML string.
077 *
078 * The dump method, when supplied with an array, will do its best
079 * to convert the array into friendly YAML.
080 *
081 * @param mixed $input The PHP value
082 * @param int $inline The level where you switch to inline YAML
083 * @param int $indent The amount of spaces to use for indentation of nested nodes
084 * @param bool $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise
085 * @param bool $objectSupport true if object support is enabled, false otherwise
086 *
087 * @return string A YAML string representing the original PHP value
088 */
089 public static function dump($input, $inline = 2, $indent = 4, $exceptionOnInvalidType = false, $objectSupport = false)
090 {
091 if ($indent < 1) {
092 throw new \InvalidArgumentException('The indentation must be greater than zero.');
093 }
094
095 $yaml = new Dumper();
096 $yaml->setIndentation($indent);
097
098 return $yaml->dump($input, $inline, 0, $exceptionOnInvalidType, $objectSupport);
099 }
100 }
101