--- /dev/null
+<?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;
+
+/**
+ * Yaml offers convenience methods to load and dump YAML.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Yaml
+{
+ /**
+ * Parses YAML into a PHP value.
+ *
+ * Usage:
+ * <code>
+ * $array = Yaml::parse(file_get_contents('config.yml'));
+ * print_r($array);
+ * </code>
+ *
+ * As this method accepts both plain strings and file names as an input,
+ * you must validate the input before calling this method. Passing a file
+ * as an input is a deprecated feature and will be removed in 3.0.
+ *
+ * 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.
+ *
+ * @param string $input Path to a YAML file or a string containing YAML
+ * @param bool $exceptionOnInvalidType True if an exception must be thrown on invalid types false otherwise
+ * @param bool $objectSupport True if object support is enabled, false otherwise
+ * @param bool $objectForMap True if maps should return a stdClass instead of array()
+ *
+ * @return mixed The YAML converted to a PHP value
+ *
+ * @throws ParseException If the YAML is not valid
+ */
+ public static function parse($input, $exceptionOnInvalidType = false, $objectSupport = false, $objectForMap = false)
+ {
+ // if input is a file, process it
+ $file = '';
+ if (strpos($input, "\n") === false && is_file($input)) {
+ @trigger_error('The ability to pass file names to the '.__METHOD__.' method is deprecated since version 2.2 and will be removed in 3.0. Pass the YAML contents of the file instead.', E_USER_DEPRECATED);
+
+ if (false === is_readable($input)) {
+ throw new ParseException(sprintf('Unable to parse "%s" as the file is not readable.', $input));
+ }
+
+ $file = $input;
+ $input = file_get_contents($file);
+ }
+
+ $yaml = new Parser();
+
+ try {
+ return $yaml->parse($input, $exceptionOnInvalidType, $objectSupport, $objectForMap);
+ } catch (ParseException $e) {
+ if ($file) {
+ $e->setParsedFile($file);
+ }
+
+ throw $e;
+ }
+ }
+
+ /**
+ * Dumps a PHP value to a YAML string.
+ *
+ * The dump method, when supplied with an array, will do its best
+ * to convert the array into friendly YAML.
+ *
+ * @param mixed $input The PHP value
+ * @param int $inline The level where you switch to inline YAML
+ * @param int $indent The amount of spaces to use for indentation of nested nodes
+ * @param bool $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise
+ * @param bool $objectSupport true if object support is enabled, false otherwise
+ *
+ * @return string A YAML string representing the original PHP value
+ */
+ public static function dump($input, $inline = 2, $indent = 4, $exceptionOnInvalidType = false, $objectSupport = false)
+ {
+ if ($indent < 1) {
+ throw new \InvalidArgumentException('The indentation must be greater than zero.');
+ }
+
+ $yaml = new Dumper();
+ $yaml->setIndentation($indent);
+
+ return $yaml->dump($input, $inline, 0, $exceptionOnInvalidType, $objectSupport);
+ }
+}