minor #20444 [YAML] PHPDoc fixes for inline parser/dumper (ro0NL)

This PR was merged into the 2.7 branch.

Discussion
----------

[YAML] PHPDoc fixes for inline parser/dumper

| Q             | A
| ------------- | ---
| Branch?       | "master"
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | comma-separated list of tickets fixed by the PR, if any
| License       | MIT
| Doc PR        | reference to the documentation PR, if any

Commits
-------

dd47295 fixed phpdoc

src/Symfony/Component/Yaml/Inline.php

@@ -28,15 +28,15 @@ class Inline
     private static $objectForMap = false;
 
     /**
-     * Converts a YAML string to a PHP array.
+     * Converts a YAML string to a PHP value.
      *
      * @param string $value                  A YAML string
      * @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
      * @param bool   $objectForMap           true if maps should return a stdClass instead of array()
      * @param array  $references             Mapping of variable names to values
      *
-     * @return array A PHP array representing the YAML string
+     * @return mixed A PHP value
      *
      * @throws ParseException
      */
@@ -90,7 +90,7 @@ public static function parse($value, $exceptionOnInvalidType = false, $objectSup
      * @param bool  $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise
      * @param bool  $objectSupport          true if object support is enabled, false otherwise
      *
-     * @return string The YAML string representing the PHP array
+     * @return string The YAML string representing the PHP value
      *
      * @throws DumpException When trying to dump PHP resource
      */
@@ -210,7 +210,7 @@ private static function dumpArray($value, $exceptionOnInvalidType, $objectSuppor
     }
 
     /**
-     * Parses a scalar to a YAML string.
+     * Parses a YAML scalar.
      *
      * @param string $scalar
      * @param string $delimiters
@@ -219,7 +219,7 @@ private static function dumpArray($value, $exceptionOnInvalidType, $objectSuppor
      * @param bool   $evaluate
      * @param array  $references
      *
-     * @return string A YAML string
+     * @return string
      *
      * @throws ParseException When malformed inline YAML string is parsed
      */
@@ -261,12 +261,12 @@ public static function parseScalar($scalar, $delimiters = null, $stringDelimiter
     }
 
     /**
-     * Parses a quoted scalar to YAML.
+     * Parses a YAML quoted scalar.
      *
      * @param string $scalar
      * @param int    &$i
      *
-     * @return string A YAML string
+     * @return string
      *
      * @throws ParseException When malformed inline YAML string is parsed
      */
@@ -291,13 +291,13 @@ private static function parseQuotedScalar($scalar, &$i)
     }
 
     /**
-     * Parses a sequence to a YAML string.
+     * Parses a YAML sequence.
      *
      * @param string $sequence
      * @param int    &$i
      * @param array  $references
      *
-     * @return string A YAML string
+     * @return array
      *
      * @throws ParseException When malformed inline YAML string is parsed
      */
@@ -350,13 +350,13 @@ private static function parseSequence($sequence, &$i = 0, $references = array())
     }
 
     /**
-     * Parses a mapping to a YAML string.
+     * Parses a YAML mapping.
      *
      * @param string $mapping
      * @param int    &$i
      * @param array  $references
      *
-     * @return string A YAML string
+     * @return array|\stdClass
      *
      * @throws ParseException When malformed inline YAML string is parsed
      */