Fix minor phpdoc mismatches with the code(detected by phan)

Author: TysonAndre

Escaper.php

@@ -31,13 +31,15 @@ class Escaper
                                      "\x08",  "\x09",  "\x0a",  "\x0b",  "\x0c",  "\x0d",  "\x0e",  "\x0f",
                                      "\x10",  "\x11",  "\x12",  "\x13",  "\x14",  "\x15",  "\x16",  "\x17",
                                      "\x18",  "\x19",  "\x1a",  "\x1b",  "\x1c",  "\x1d",  "\x1e",  "\x1f",
-                                     "\xc2\x85", "\xc2\xa0", "\xe2\x80\xa8", "\xe2\x80\xa9");
+                                     "\xc2\x85", "\xc2\xa0", "\xe2\x80\xa8", "\xe2\x80\xa9",
+                               );
     private static $escaped = array('\\\\', '\\"', '\\\\', '\\"',
                                      '\\0',   '\\x01', '\\x02', '\\x03', '\\x04', '\\x05', '\\x06', '\\a',
                                      '\\b',   '\\t',   '\\n',   '\\v',   '\\f',   '\\r',   '\\x0e', '\\x0f',
                                      '\\x10', '\\x11', '\\x12', '\\x13', '\\x14', '\\x15', '\\x16', '\\x17',
                                      '\\x18', '\\x19', '\\x1a', '\\e',   '\\x1c', '\\x1d', '\\x1e', '\\x1f',
-                                     '\\N', '\\_', '\\L', '\\P');
+                                     '\\N', '\\_', '\\L', '\\P',
+                              );
 
     /**
      * Determines if a PHP value would require double quoting in YAML.
@@ -48,7 +50,7 @@ class Escaper
      */
     public static function requiresDoubleQuoting($value)
     {
-        return preg_match('/'.self::REGEX_CHARACTER_TO_ESCAPE.'/u', $value);
+        return 0 < preg_match('/'.self::REGEX_CHARACTER_TO_ESCAPE.'/u', $value);
     }
 
     /**
@@ -80,7 +82,7 @@ public static function requiresSingleQuoting($value)
 
         // Determines if the PHP value contains any single characters that would
         // cause it to require single quoting in YAML.
-        return preg_match('/[ \s \' " \: \{ \} \[ \] , & \* \# \?] | \A[ \- ? | < > = ! % @ ` ]/x', $value);
+        return 0 < preg_match('/[ \s \' " \: \{ \} \[ \] , & \* \# \?] | \A[ \- ? | < > = ! % @ ` ]/x', $value);
     }
 
     /**

Exception/ParseException.php

@@ -26,11 +26,11 @@ class ParseException extends RuntimeException
     /**
      * Constructor.
      *
-     * @param string     $message    The error message
-     * @param int        $parsedLine The line where the error occurred
-     * @param int        $snippet    The snippet of code near the problem
-     * @param string     $parsedFile The file name where the error occurred
-     * @param \Exception $previous   The previous exception
+     * @param string          $message    The error message
+     * @param int             $parsedLine The line where the error occurred
+     * @param string|null     $snippet    The snippet of code near the problem
+     * @param string|null     $parsedFile The file name where the error occurred
+     * @param \Exception|null $previous   The previous exception
      */
     public function __construct($message, $parsedLine = -1, $snippet = null, $parsedFile = null, \Exception $previous = null)
     {

Inline.php

@@ -212,12 +212,12 @@ private static function dumpArray($value, $exceptionOnInvalidType, $objectSuppor
     /**
      * Parses a YAML scalar.
      *
-     * @param string $scalar
-     * @param string $delimiters
-     * @param array  $stringDelimiters
-     * @param int    &$i
-     * @param bool   $evaluate
-     * @param array  $references
+     * @param string   $scalar
+     * @param string[] $delimiters
+     * @param string[] $stringDelimiters
+     * @param int      &$i
+     * @param bool     $evaluate
+     * @param array    $references
      *
      * @return string
      *
@@ -443,7 +443,7 @@ private static function parseMapping($mapping, &$i = 0, $references = array())
      * @param string $scalar
      * @param array  $references
      *
-     * @return string A YAML string
+     * @return mixed The evaluated YAML string
      *
      * @throws ParseException when object parsing support was disabled and the parser detected a PHP object or when a reference could not be resolved
      */