Verzeichnisstruktur phpBB-3.1.0
- Veröffentlicht
- 27.10.2014
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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 * @api
022 */
023 class Yaml
024 {
025 /**
026 * Parses YAML into a PHP array.
027 *
028 * The parse method, when supplied with a YAML stream (string or file),
029 * will do its best to convert YAML in a file into a PHP array.
030 *
031 * Usage:
032 * <code>
033 * $array = Yaml::parse('config.yml');
034 * print_r($array);
035 * </code>
036 *
037 * As this method accepts both plain strings and file names as an input,
038 * you must validate the input before calling this method. Passing a file
039 * as an input is a deprecated feature and will be removed in 3.0.
040 *
041 * @param string $input Path to a YAML file or a string containing YAML
042 * @param bool $exceptionOnInvalidType True if an exception must be thrown on invalid types false otherwise
043 * @param bool $objectSupport True if object support is enabled, false otherwise
044 *
045 * @return array The YAML converted to a PHP array
046 *
047 * @throws ParseException If the YAML is not valid
048 *
049 * @api
050 */
051 public static function parse($input, $exceptionOnInvalidType = false, $objectSupport = false)
052 {
053 // if input is a file, process it
054 $file = '';
055 if (strpos($input, "\n") === false && is_file($input)) {
056 if (false === is_readable($input)) {
057 throw new ParseException(sprintf('Unable to parse "%s" as the file is not readable.', $input));
058 }
059
060 $file = $input;
061 $input = file_get_contents($file);
062 }
063
064 $yaml = new Parser();
065
066 try {
067 return $yaml->parse($input, $exceptionOnInvalidType, $objectSupport);
068 } catch (ParseException $e) {
069 if ($file) {
070 $e->setParsedFile($file);
071 }
072
073 throw $e;
074 }
075 }
076
077 /**
078 * Dumps a PHP array to a YAML string.
079 *
080 * The dump method, when supplied with an array, will do its best
081 * to convert the array into friendly YAML.
082 *
083 * @param array $array PHP array
084 * @param int $inline The level where you switch to inline YAML
085 * @param int $indent The amount of spaces to use for indentation of nested nodes.
086 * @param bool $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise
087 * @param bool $objectSupport true if object support is enabled, false otherwise
088 *
089 * @return string A YAML string representing the original PHP array
090 *
091 * @api
092 */
093 public static function dump($array, $inline = 2, $indent = 4, $exceptionOnInvalidType = false, $objectSupport = false)
094 {
095 $yaml = new Dumper();
096 $yaml->setIndentation($indent);
097
098 return $yaml->dump($array, $inline, 0, $exceptionOnInvalidType, $objectSupport);
099 }
100 }
101