updated dependencies + working api connection

vendor/symfony/css-selector/CssSelectorConverter.php

@@ -31,7 +31,7 @@ class CssSelectorConverter
     /**
      * @param bool $html Whether HTML support should be enabled. Disable it for XML documents
      */
-    public function __construct(bool $html = true)
+    public function __construct($html = true)
     {
         $this->translator = new Translator();
 

vendor/symfony/css-selector/Node/AbstractNode.php

@@ -31,7 +31,7 @@ abstract class AbstractNode implements NodeInterface
     /**
      * @return string
      */
-    public function getNodeName(): string
+    public function getNodeName()
     {
         if (null === $this->nodeName) {
             $this->nodeName = preg_replace('~.*\\\\([^\\\\]+)Node$~', '$1', get_called_class());

vendor/symfony/css-selector/Node/AttributeNode.php

@@ -29,7 +29,14 @@ class AttributeNode extends AbstractNode
     private $operator;
     private $value;
 
-    public function __construct(NodeInterface $selector, ?string $namespace, string $attribute, string $operator, ?string $value)
+    /**
+     * @param NodeInterface $selector
+     * @param string        $namespace
+     * @param string        $attribute
+     * @param string        $operator
+     * @param string        $value
+     */
+    public function __construct(NodeInterface $selector, $namespace, $attribute, $operator, $value)
     {
         $this->selector = $selector;
         $this->namespace = $namespace;
@@ -38,27 +45,42 @@ class AttributeNode extends AbstractNode
         $this->value = $value;
     }
 
-    public function getSelector(): NodeInterface
+    /**
+     * @return NodeInterface
+     */
+    public function getSelector()
     {
         return $this->selector;
     }
 
-    public function getNamespace(): ?string
+    /**
+     * @return string
+     */
+    public function getNamespace()
     {
         return $this->namespace;
     }
 
-    public function getAttribute(): string
+    /**
+     * @return string
+     */
+    public function getAttribute()
     {
         return $this->attribute;
     }
 
-    public function getOperator(): string
+    /**
+     * @return string
+     */
+    public function getOperator()
     {
         return $this->operator;
     }
 
-    public function getValue(): ?string
+    /**
+     * @return string
+     */
+    public function getValue()
     {
         return $this->value;
     }
@@ -66,7 +88,7 @@ class AttributeNode extends AbstractNode
     /**
      * {@inheritdoc}
      */
-    public function getSpecificity(): Specificity
+    public function getSpecificity()
     {
         return $this->selector->getSpecificity()->plus(new Specificity(0, 1, 0));
     }
@@ -74,7 +96,7 @@ class AttributeNode extends AbstractNode
     /**
      * {@inheritdoc}
      */
-    public function __toString(): string
+    public function __toString()
     {
         $attribute = $this->namespace ? $this->namespace.'|'.$this->attribute : $this->attribute;
 

vendor/symfony/css-selector/Node/ClassNode.php

@@ -26,18 +26,28 @@ class ClassNode extends AbstractNode
     private $selector;
     private $name;
 
-    public function __construct(NodeInterface $selector, string $name)
+    /**
+     * @param NodeInterface $selector
+     * @param string        $name
+     */
+    public function __construct(NodeInterface $selector, $name)
     {
         $this->selector = $selector;
         $this->name = $name;
     }
 
-    public function getSelector(): NodeInterface
+    /**
+     * @return NodeInterface
+     */
+    public function getSelector()
     {
         return $this->selector;
     }
 
-    public function getName(): string
+    /**
+     * @return string
+     */
+    public function getName()
     {
         return $this->name;
     }
@@ -45,7 +55,7 @@ class ClassNode extends AbstractNode
     /**
      * {@inheritdoc}
      */
-    public function getSpecificity(): Specificity
+    public function getSpecificity()
     {
         return $this->selector->getSpecificity()->plus(new Specificity(0, 1, 0));
     }
@@ -53,7 +63,7 @@ class ClassNode extends AbstractNode
     /**
      * {@inheritdoc}
      */
-    public function __toString(): string
+    public function __toString()
     {
         return sprintf('%s[%s.%s]', $this->getNodeName(), $this->selector, $this->name);
     }

vendor/symfony/css-selector/Node/CombinedSelectorNode.php

@@ -27,24 +27,38 @@ class CombinedSelectorNode extends AbstractNode
     private $combinator;
     private $subSelector;
 
-    public function __construct(NodeInterface $selector, string $combinator, NodeInterface $subSelector)
+    /**
+     * @param NodeInterface $selector
+     * @param string        $combinator
+     * @param NodeInterface $subSelector
+     */
+    public function __construct(NodeInterface $selector, $combinator, NodeInterface $subSelector)
     {
         $this->selector = $selector;
         $this->combinator = $combinator;
         $this->subSelector = $subSelector;
     }
 
-    public function getSelector(): NodeInterface
+    /**
+     * @return NodeInterface
+     */
+    public function getSelector()
     {
         return $this->selector;
     }
 
-    public function getCombinator(): string
+    /**
+     * @return string
+     */
+    public function getCombinator()
     {
         return $this->combinator;
     }
 
-    public function getSubSelector(): NodeInterface
+    /**
+     * @return NodeInterface
+     */
+    public function getSubSelector()
     {
         return $this->subSelector;
     }
@@ -52,7 +66,7 @@ class CombinedSelectorNode extends AbstractNode
     /**
      * {@inheritdoc}
      */
-    public function getSpecificity(): Specificity
+    public function getSpecificity()
     {
         return $this->selector->getSpecificity()->plus($this->subSelector->getSpecificity());
     }
@@ -60,7 +74,7 @@ class CombinedSelectorNode extends AbstractNode
     /**
      * {@inheritdoc}
      */
-    public function __toString(): string
+    public function __toString()
     {
         $combinator = ' ' === $this->combinator ? '<followed>' : $this->combinator;
 

vendor/symfony/css-selector/Node/ElementNode.php

@@ -30,7 +30,7 @@ class ElementNode extends AbstractNode
      * @param string|null $namespace
      * @param string|null $element
      */
-    public function __construct(string $namespace = null, string $element = null)
+    public function __construct($namespace = null, $element = null)
     {
         $this->namespace = $namespace;
         $this->element = $element;
@@ -55,7 +55,7 @@ class ElementNode extends AbstractNode
     /**
      * {@inheritdoc}
      */
-    public function getSpecificity(): Specificity
+    public function getSpecificity()
     {
         return new Specificity(0, 0, $this->element ? 1 : 0);
     }
@@ -63,7 +63,7 @@ class ElementNode extends AbstractNode
     /**
      * {@inheritdoc}
      */
-    public function __toString(): string
+    public function __toString()
     {
         $element = $this->element ?: '*';
 

vendor/symfony/css-selector/Node/FunctionNode.php

@@ -34,19 +34,25 @@ class FunctionNode extends AbstractNode
      * @param string        $name
      * @param Token[]       $arguments
      */
-    public function __construct(NodeInterface $selector, string $name, array $arguments = array())
+    public function __construct(NodeInterface $selector, $name, array $arguments = array())
     {
         $this->selector = $selector;
         $this->name = strtolower($name);
         $this->arguments = $arguments;
     }
 
-    public function getSelector(): NodeInterface
+    /**
+     * @return NodeInterface
+     */
+    public function getSelector()
     {
         return $this->selector;
     }
 
-    public function getName(): string
+    /**
+     * @return string
+     */
+    public function getName()
     {
         return $this->name;
     }
@@ -62,7 +68,7 @@ class FunctionNode extends AbstractNode
     /**
      * {@inheritdoc}
      */
-    public function getSpecificity(): Specificity
+    public function getSpecificity()
     {
         return $this->selector->getSpecificity()->plus(new Specificity(0, 1, 0));
     }
@@ -70,7 +76,7 @@ class FunctionNode extends AbstractNode
     /**
      * {@inheritdoc}
      */
-    public function __toString(): string
+    public function __toString()
     {
         $arguments = implode(', ', array_map(function (Token $token) {
             return "'".$token->getValue()."'";

vendor/symfony/css-selector/Node/HashNode.php

@@ -26,18 +26,28 @@ class HashNode extends AbstractNode
     private $selector;
     private $id;
 
-    public function __construct(NodeInterface $selector, string $id)
+    /**
+     * @param NodeInterface $selector
+     * @param string        $id
+     */
+    public function __construct(NodeInterface $selector, $id)
     {
         $this->selector = $selector;
         $this->id = $id;
     }
 
-    public function getSelector(): NodeInterface
+    /**
+     * @return NodeInterface
+     */
+    public function getSelector()
     {
         return $this->selector;
     }
 
-    public function getId(): string
+    /**
+     * @return string
+     */
+    public function getId()
     {
         return $this->id;
     }
@@ -45,7 +55,7 @@ class HashNode extends AbstractNode
     /**
      * {@inheritdoc}
      */
-    public function getSpecificity(): Specificity
+    public function getSpecificity()
     {
         return $this->selector->getSpecificity()->plus(new Specificity(1, 0, 0));
     }
@@ -53,7 +63,7 @@ class HashNode extends AbstractNode
     /**
      * {@inheritdoc}
      */
-    public function __toString(): string
+    public function __toString()
     {
         return sprintf('%s[%s#%s]', $this->getNodeName(), $this->selector, $this->id);
     }

vendor/symfony/css-selector/Node/NegationNode.php

@@ -51,7 +51,7 @@ class NegationNode extends AbstractNode
     /**
      * {@inheritdoc}
      */
-    public function getSpecificity(): Specificity
+    public function getSpecificity()
     {
         return $this->selector->getSpecificity()->plus($this->subSelector->getSpecificity());
     }
@@ -59,7 +59,7 @@ class NegationNode extends AbstractNode
     /**
      * {@inheritdoc}
      */
-    public function __toString(): string
+    public function __toString()
     {
         return sprintf('%s[%s:not(%s)]', $this->getNodeName(), $this->selector, $this->subSelector);
     }

vendor/symfony/css-selector/Node/NodeInterface.php

@@ -23,9 +23,24 @@ namespace Symfony\Component\CssSelector\Node;
  */
 interface NodeInterface
 {
-    public function getNodeName(): string;
+    /**
+     * Returns node's name.
+     *
+     * @return string
+     */
+    public function getNodeName();
 
-    public function getSpecificity(): Specificity;
+    /**
+     * Returns node's specificity.
+     *
+     * @return Specificity
+     */
+    public function getSpecificity();
 
-    public function __toString(): string;
+    /**
+     * Returns node's string representation.
+     *
+     * @return string
+     */
+    public function __toString();
 }

vendor/symfony/css-selector/Node/PseudoNode.php

@@ -26,18 +26,28 @@ class PseudoNode extends AbstractNode
     private $selector;
     private $identifier;
 
-    public function __construct(NodeInterface $selector, string $identifier)
+    /**
+     * @param NodeInterface $selector
+     * @param string        $identifier
+     */
+    public function __construct(NodeInterface $selector, $identifier)
     {
         $this->selector = $selector;
         $this->identifier = strtolower($identifier);
     }
 
-    public function getSelector(): NodeInterface
+    /**
+     * @return NodeInterface
+     */
+    public function getSelector()
     {
         return $this->selector;
     }
 
-    public function getIdentifier(): string
+    /**
+     * @return string
+     */
+    public function getIdentifier()
     {
         return $this->identifier;
     }
@@ -45,7 +55,7 @@ class PseudoNode extends AbstractNode
     /**
      * {@inheritdoc}
      */
-    public function getSpecificity(): Specificity
+    public function getSpecificity()
     {
         return $this->selector->getSpecificity()->plus(new Specificity(0, 1, 0));
     }
@@ -53,7 +63,7 @@ class PseudoNode extends AbstractNode
     /**
      * {@inheritdoc}
      */
-    public function __toString(): string
+    public function __toString()
     {
         return sprintf('%s[%s:%s]', $this->getNodeName(), $this->selector, $this->identifier);
     }

vendor/symfony/css-selector/Node/SelectorNode.php

@@ -26,18 +26,28 @@ class SelectorNode extends AbstractNode
     private $tree;
     private $pseudoElement;
 
-    public function __construct(NodeInterface $tree, string $pseudoElement = null)
+    /**
+     * @param NodeInterface $tree
+     * @param null|string   $pseudoElement
+     */
+    public function __construct(NodeInterface $tree, $pseudoElement = null)
     {
         $this->tree = $tree;
         $this->pseudoElement = $pseudoElement ? strtolower($pseudoElement) : null;
     }
 
-    public function getTree(): NodeInterface
+    /**
+     * @return NodeInterface
+     */
+    public function getTree()
     {
         return $this->tree;
     }
 
-    public function getPseudoElement(): ?string
+    /**
+     * @return null|string
+     */
+    public function getPseudoElement()
     {
         return $this->pseudoElement;
     }
@@ -45,7 +55,7 @@ class SelectorNode extends AbstractNode
     /**
      * {@inheritdoc}
      */
-    public function getSpecificity(): Specificity
+    public function getSpecificity()
     {
         return $this->tree->getSpecificity()->plus(new Specificity(0, 0, $this->pseudoElement ? 1 : 0));
     }
@@ -53,7 +63,7 @@ class SelectorNode extends AbstractNode
     /**
      * {@inheritdoc}
      */
-    public function __toString(): string
+    public function __toString()
     {
         return sprintf('%s[%s%s]', $this->getNodeName(), $this->tree, $this->pseudoElement ? '::'.$this->pseudoElement : '');
     }

vendor/symfony/css-selector/Node/Specificity.php

@@ -33,19 +33,32 @@ class Specificity
     private $b;
     private $c;
 
-    public function __construct(int $a, int $b, int $c)
+    /**
+     * @param int $a
+     * @param int $b
+     * @param int $c
+     */
+    public function __construct($a, $b, $c)
     {
         $this->a = $a;
         $this->b = $b;
         $this->c = $c;
     }
 
-    public function plus(Specificity $specificity): Specificity
+    /**
+     * @return self
+     */
+    public function plus(Specificity $specificity)
     {
         return new self($this->a + $specificity->a, $this->b + $specificity->b, $this->c + $specificity->c);
     }
 
-    public function getValue(): int
+    /**
+     * Returns global specificity value.
+     *
+     * @return int
+     */
+    public function getValue()
     {
         return $this->a * self::A_FACTOR + $this->b * self::B_FACTOR + $this->c * self::C_FACTOR;
     }

vendor/symfony/css-selector/Parser/Handler/CommentHandler.php

@@ -29,7 +29,7 @@ class CommentHandler implements HandlerInterface
     /**
      * {@inheritdoc}
      */
-    public function handle(Reader $reader, TokenStream $stream): bool
+    public function handle(Reader $reader, TokenStream $stream)
     {
         if ('/*' !== $reader->getSubstring(2)) {
             return false;

vendor/symfony/css-selector/Parser/Handler/HandlerInterface.php

@@ -29,5 +29,5 @@ interface HandlerInterface
     /**
      * @return bool
      */
-    public function handle(Reader $reader, TokenStream $stream): bool;
+    public function handle(Reader $reader, TokenStream $stream);
 }

vendor/symfony/css-selector/Parser/Handler/HashHandler.php

@@ -41,7 +41,7 @@ class HashHandler implements HandlerInterface
     /**
      * {@inheritdoc}
      */
-    public function handle(Reader $reader, TokenStream $stream): bool
+    public function handle(Reader $reader, TokenStream $stream)
     {
         $match = $reader->findPattern($this->patterns->getHashPattern());
 

vendor/symfony/css-selector/Parser/Handler/IdentifierHandler.php

@@ -41,7 +41,7 @@ class IdentifierHandler implements HandlerInterface
     /**
      * {@inheritdoc}
      */
-    public function handle(Reader $reader, TokenStream $stream): bool
+    public function handle(Reader $reader, TokenStream $stream)
     {
         $match = $reader->findPattern($this->patterns->getIdentifierPattern());
 

vendor/symfony/css-selector/Parser/Handler/NumberHandler.php

@@ -38,7 +38,7 @@ class NumberHandler implements HandlerInterface
     /**
      * {@inheritdoc}
      */
-    public function handle(Reader $reader, TokenStream $stream): bool
+    public function handle(Reader $reader, TokenStream $stream)
     {
         $match = $reader->findPattern($this->patterns->getNumberPattern());
 

vendor/symfony/css-selector/Parser/Handler/StringHandler.php

@@ -43,7 +43,7 @@ class StringHandler implements HandlerInterface
     /**
      * {@inheritdoc}
      */
-    public function handle(Reader $reader, TokenStream $stream): bool
+    public function handle(Reader $reader, TokenStream $stream)
     {
         $quote = $reader->getSubstring(1);
 

vendor/symfony/css-selector/Parser/Handler/WhitespaceHandler.php

@@ -30,7 +30,7 @@ class WhitespaceHandler implements HandlerInterface
     /**
      * {@inheritdoc}
      */
-    public function handle(Reader $reader, TokenStream $stream): bool
+    public function handle(Reader $reader, TokenStream $stream)
     {
         $match = $reader->findPattern('~^[ \t\r\n\f]+~');
 

vendor/symfony/css-selector/Parser/Parser.php

@@ -37,7 +37,7 @@ class Parser implements ParserInterface
     /**
      * {@inheritdoc}
      */
-    public function parse(string $source): array
+    public function parse($source)
     {
         $reader = new Reader($source);
         $stream = $this->tokenizer->tokenize($reader);
@@ -50,9 +50,11 @@ class Parser implements ParserInterface
      *
      * @param Token[] $tokens
      *
+     * @return array
+     *
      * @throws SyntaxErrorException
      */
-    public static function parseSeries(array $tokens): array
+    public static function parseSeries(array $tokens)
     {
         foreach ($tokens as $token) {
             if ($token->isString()) {
@@ -92,7 +94,12 @@ class Parser implements ParserInterface
         );
     }
 
-    private function parseSelectorList(TokenStream $stream): array
+    /**
+     * Parses selector nodes.
+     *
+     * @return array
+     */
+    private function parseSelectorList(TokenStream $stream)
     {
         $stream->skipWhitespace();
         $selectors = array();
@@ -111,7 +118,14 @@ class Parser implements ParserInterface
         return $selectors;
     }
 
-    private function parserSelectorNode(TokenStream $stream): Node\SelectorNode
+    /**
+     * Parses next selector or combined node.
+     *
+     * @return Node\SelectorNode
+     *
+     * @throws SyntaxErrorException
+     */
+    private function parserSelectorNode(TokenStream $stream)
     {
         list($result, $pseudoElement) = $this->parseSimpleSelector($stream);
 
@@ -144,9 +158,14 @@ class Parser implements ParserInterface
     /**
      * Parses next simple node (hash, class, pseudo, negation).
      *
+     * @param TokenStream $stream
+     * @param bool        $insideNegation
+     *
+     * @return array
+     *
      * @throws SyntaxErrorException
      */
-    private function parseSimpleSelector(TokenStream $stream, bool $insideNegation = false): array
+    private function parseSimpleSelector(TokenStream $stream, $insideNegation = false)
     {
         $stream->skipWhitespace();
 
@@ -260,7 +279,12 @@ class Parser implements ParserInterface
         return array($result, $pseudoElement);
     }
 
-    private function parseElementNode(TokenStream $stream): Node\ElementNode
+    /**
+     * Parses next element node.
+     *
+     * @return Node\ElementNode
+     */
+    private function parseElementNode(TokenStream $stream)
     {
         $peek = $stream->getPeek();
 
@@ -286,7 +310,14 @@ class Parser implements ParserInterface
         return new Node\ElementNode($namespace, $element);
     }
 
-    private function parseAttributeNode(Node\NodeInterface $selector, TokenStream $stream): Node\AttributeNode
+    /**
+     * Parses next attribute node.
+     *
+     * @return Node\AttributeNode
+     *
+     * @throws SyntaxErrorException
+     */
+    private function parseAttributeNode(Node\NodeInterface $selector, TokenStream $stream)
     {
         $stream->skipWhitespace();
         $attribute = $stream->getNextIdentifierOrStar();

vendor/symfony/css-selector/Parser/ParserInterface.php

@@ -28,7 +28,9 @@ interface ParserInterface
     /**
      * Parses given selector source into an array of tokens.
      *
+     * @param string $source
+     *
      * @return SelectorNode[]
      */
-    public function parse(string $source): array;
+    public function parse($source);
 }

vendor/symfony/css-selector/Parser/Reader.php

@@ -27,33 +27,56 @@ class Reader
     private $length;
     private $position = 0;
 
-    public function __construct(string $source)
+    /**
+     * @param string $source
+     */
+    public function __construct($source)
     {
         $this->source = $source;
         $this->length = strlen($source);
     }
 
-    public function isEOF(): bool
+    /**
+     * @return bool
+     */
+    public function isEOF()
     {
         return $this->position >= $this->length;
     }
 
-    public function getPosition(): int
+    /**
+     * @return int
+     */
+    public function getPosition()
     {
         return $this->position;
     }
 
-    public function getRemainingLength(): int
+    /**
+     * @return int
+     */
+    public function getRemainingLength()
     {
         return $this->length - $this->position;
     }
 
-    public function getSubstring(int $length, int $offset = 0): string
+    /**
+     * @param int $length
+     * @param int $offset
+     *
+     * @return string
+     */
+    public function getSubstring($length, $offset = 0)
     {
         return substr($this->source, $this->position + $offset, $length);
     }
 
-    public function getOffset(string $string)
+    /**
+     * @param string $string
+     *
+     * @return int
+     */
+    public function getOffset($string)
     {
         $position = strpos($this->source, $string, $this->position);
 
@@ -61,9 +84,11 @@ class Reader
     }
 
     /**
+     * @param string $pattern
+     *
      * @return array|false
      */
-    public function findPattern(string $pattern)
+    public function findPattern($pattern)
     {
         $source = substr($this->source, $this->position);
 
@@ -74,7 +99,10 @@ class Reader
         return false;
     }
 
-    public function moveForward(int $length)
+    /**
+     * @param int $length
+     */
+    public function moveForward($length)
     {
         $this->position += $length;
     }

vendor/symfony/css-selector/Parser/Shortcut/ClassParser.php

@@ -31,7 +31,7 @@ class ClassParser implements ParserInterface
     /**
      * {@inheritdoc}
      */
-    public function parse(string $source): array
+    public function parse($source)
     {
         // Matches an optional namespace, optional element, and required class
         // $source = 'test|input.ab6bd_field';

vendor/symfony/css-selector/Parser/Shortcut/ElementParser.php

@@ -30,7 +30,7 @@ class ElementParser implements ParserInterface
     /**
      * {@inheritdoc}
      */
-    public function parse(string $source): array
+    public function parse($source)
     {
         // Matches an optional namespace, required element or `*`
         // $source = 'testns|testel';

vendor/symfony/css-selector/Parser/Shortcut/EmptyStringParser.php

@@ -34,7 +34,7 @@ class EmptyStringParser implements ParserInterface
     /**
      * {@inheritdoc}
      */
-    public function parse(string $source): array
+    public function parse($source)
     {
         // Matches an empty string
         if ('' == $source) {

vendor/symfony/css-selector/Parser/Shortcut/HashParser.php

@@ -31,7 +31,7 @@ class HashParser implements ParserInterface
     /**
      * {@inheritdoc}
      */
-    public function parse(string $source): array
+    public function parse($source)
     {
         // Matches an optional namespace, optional element, and required id
         // $source = 'test|input#ab6bd_field';

vendor/symfony/css-selector/Parser/Token.php

@@ -35,34 +35,54 @@ class Token
     private $value;
     private $position;
 
-    public function __construct(?string $type, ?string $value, ?int $position)
+    /**
+     * @param int    $type
+     * @param string $value
+     * @param int    $position
+     */
+    public function __construct($type, $value, $position)
     {
         $this->type = $type;
         $this->value = $value;
         $this->position = $position;
     }
 
-    public function getType(): ?int
+    /**
+     * @return int
+     */
+    public function getType()
     {
         return $this->type;
     }
 
-    public function getValue(): ?string
+    /**
+     * @return string
+     */
+    public function getValue()
     {
         return $this->value;
     }
 
-    public function getPosition(): ?int
+    /**
+     * @return int
+     */
+    public function getPosition()
     {
         return $this->position;
     }
 
-    public function isFileEnd(): bool
+    /**
+     * @return bool
+     */
+    public function isFileEnd()
     {
         return self::TYPE_FILE_END === $this->type;
     }
 
-    public function isDelimiter(array $values = array()): bool
+    /**
+     * @return bool
+     */
+    public function isDelimiter(array $values = array())
     {
         if (self::TYPE_DELIMITER !== $this->type) {
             return false;
@@ -75,32 +95,50 @@ class Token
         return in_array($this->value, $values);
     }
 
-    public function isWhitespace(): bool
+    /**
+     * @return bool
+     */
+    public function isWhitespace()
     {
         return self::TYPE_WHITESPACE === $this->type;
     }
 
-    public function isIdentifier(): bool
+    /**
+     * @return bool
+     */
+    public function isIdentifier()
     {
         return self::TYPE_IDENTIFIER === $this->type;
     }
 
-    public function isHash(): bool
+    /**
+     * @return bool
+     */
+    public function isHash()
     {
         return self::TYPE_HASH === $this->type;
     }
 
-    public function isNumber(): bool
+    /**
+     * @return bool
+     */
+    public function isNumber()
     {
         return self::TYPE_NUMBER === $this->type;
     }
 
-    public function isString(): bool
+    /**
+     * @return bool
+     */
+    public function isString()
     {
         return self::TYPE_STRING === $this->type;
     }
 
-    public function __toString(): string
+    /**
+     * @return string
+     */
+    public function __toString()
     {
         if ($this->value) {
             return sprintf('<%s "%s" at %s>', $this->type, $this->value, $this->position);

vendor/symfony/css-selector/Parser/Tokenizer/TokenizerEscaping.php

@@ -30,21 +30,36 @@ class TokenizerEscaping
         $this->patterns = $patterns;
     }
 
-    public function escapeUnicode(string $value): string
+    /**
+     * @param string $value
+     *
+     * @return string
+     */
+    public function escapeUnicode($value)
     {
         $value = $this->replaceUnicodeSequences($value);
 
         return preg_replace($this->patterns->getSimpleEscapePattern(), '$1', $value);
     }
 
-    public function escapeUnicodeAndNewLine(string $value): string
+    /**
+     * @param string $value
+     *
+     * @return string
+     */
+    public function escapeUnicodeAndNewLine($value)
     {
         $value = preg_replace($this->patterns->getNewLineEscapePattern(), '', $value);
 
         return $this->escapeUnicode($value);
     }
 
-    private function replaceUnicodeSequences(string $value): string
+    /**
+     * @param string $value
+     *
+     * @return string
+     */
+    private function replaceUnicodeSequences($value)
     {
         return preg_replace_callback($this->patterns->getUnicodeEscapePattern(), function ($match) {
             $c = hexdec($match[1]);

vendor/symfony/css-selector/Parser/Tokenizer/TokenizerPatterns.php

@@ -52,37 +52,60 @@ class TokenizerPatterns
         $this->quotedStringPattern = '([^\n\r\f%s]|'.$this->stringEscapePattern.')*';
     }
 
-    public function getNewLineEscapePattern(): string
+    /**
+     * @return string
+     */
+    public function getNewLineEscapePattern()
     {
         return '~^'.$this->newLineEscapePattern.'~';
     }
 
-    public function getSimpleEscapePattern(): string
+    /**
+     * @return string
+     */
+    public function getSimpleEscapePattern()
     {
         return '~^'.$this->simpleEscapePattern.'~';
     }
 
-    public function getUnicodeEscapePattern(): string
+    /**
+     * @return string
+     */
+    public function getUnicodeEscapePattern()
     {
         return '~^'.$this->unicodeEscapePattern.'~i';
     }
 
-    public function getIdentifierPattern(): string
+    /**
+     * @return string
+     */
+    public function getIdentifierPattern()
     {
         return '~^'.$this->identifierPattern.'~i';
     }
 
-    public function getHashPattern(): string
+    /**
+     * @return string
+     */
+    public function getHashPattern()
     {
         return '~^'.$this->hashPattern.'~i';
     }
 
-    public function getNumberPattern(): string
+    /**
+     * @return string
+     */
+    public function getNumberPattern()
     {
         return '~^'.$this->numberPattern.'~';
     }
 
-    public function getQuotedStringPattern(string $quote): string
+    /**
+     * @param string $quote
+     *
+     * @return string
+     */
+    public function getQuotedStringPattern($quote)
     {
         return '~^'.sprintf($this->quotedStringPattern, $quote).'~i';
     }

vendor/symfony/css-selector/XPath/Extension/AttributeMatchingExtension.php

@@ -43,17 +43,38 @@ class AttributeMatchingExtension extends AbstractExtension
         );
     }
 
-    public function translateExists(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
+    /**
+     * @param XPathExpr $xpath
+     * @param string    $attribute
+     * @param string    $value
+     *
+     * @return XPathExpr
+     */
+    public function translateExists(XPathExpr $xpath, $attribute, $value)
     {
         return $xpath->addCondition($attribute);
     }
 
-    public function translateEquals(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
+    /**
+     * @param XPathExpr $xpath
+     * @param string    $attribute
+     * @param string    $value
+     *
+     * @return XPathExpr
+     */
+    public function translateEquals(XPathExpr $xpath, $attribute, $value)
     {
         return $xpath->addCondition(sprintf('%s = %s', $attribute, Translator::getXpathLiteral($value)));
     }
 
-    public function translateIncludes(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
+    /**
+     * @param XPathExpr $xpath
+     * @param string    $attribute
+     * @param string    $value
+     *
+     * @return XPathExpr
+     */
+    public function translateIncludes(XPathExpr $xpath, $attribute, $value)
     {
         return $xpath->addCondition($value ? sprintf(
             '%1$s and contains(concat(\' \', normalize-space(%1$s), \' \'), %2$s)',
@@ -62,7 +83,14 @@ class AttributeMatchingExtension extends AbstractExtension
         ) : '0');
     }
 
-    public function translateDashMatch(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
+    /**
+     * @param XPathExpr $xpath
+     * @param string    $attribute
+     * @param string    $value
+     *
+     * @return XPathExpr
+     */
+    public function translateDashMatch(XPathExpr $xpath, $attribute, $value)
     {
         return $xpath->addCondition(sprintf(
             '%1$s and (%1$s = %2$s or starts-with(%1$s, %3$s))',
@@ -72,7 +100,14 @@ class AttributeMatchingExtension extends AbstractExtension
         ));
     }
 
-    public function translatePrefixMatch(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
+    /**
+     * @param XPathExpr $xpath
+     * @param string    $attribute
+     * @param string    $value
+     *
+     * @return XPathExpr
+     */
+    public function translatePrefixMatch(XPathExpr $xpath, $attribute, $value)
     {
         return $xpath->addCondition($value ? sprintf(
             '%1$s and starts-with(%1$s, %2$s)',
@@ -81,7 +116,14 @@ class AttributeMatchingExtension extends AbstractExtension
         ) : '0');
     }
 
-    public function translateSuffixMatch(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
+    /**
+     * @param XPathExpr $xpath
+     * @param string    $attribute
+     * @param string    $value
+     *
+     * @return XPathExpr
+     */
+    public function translateSuffixMatch(XPathExpr $xpath, $attribute, $value)
     {
         return $xpath->addCondition($value ? sprintf(
             '%1$s and substring(%1$s, string-length(%1$s)-%2$s) = %3$s',
@@ -91,7 +133,14 @@ class AttributeMatchingExtension extends AbstractExtension
         ) : '0');
     }
 
-    public function translateSubstringMatch(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
+    /**
+     * @param XPathExpr $xpath
+     * @param string    $attribute
+     * @param string    $value
+     *
+     * @return XPathExpr
+     */
+    public function translateSubstringMatch(XPathExpr $xpath, $attribute, $value)
     {
         return $xpath->addCondition($value ? sprintf(
             '%1$s and contains(%1$s, %2$s)',
@@ -100,7 +149,14 @@ class AttributeMatchingExtension extends AbstractExtension
         ) : '0');
     }
 
-    public function translateDifferent(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
+    /**
+     * @param XPathExpr $xpath
+     * @param string    $attribute
+     * @param string    $value
+     *
+     * @return XPathExpr
+     */
+    public function translateDifferent(XPathExpr $xpath, $attribute, $value)
     {
         return $xpath->addCondition(sprintf(
             $value ? 'not(%1$s) or %1$s != %2$s' : '%s != %s',

vendor/symfony/css-selector/XPath/Extension/CombinationExtension.php

@@ -28,7 +28,7 @@ class CombinationExtension extends AbstractExtension
     /**
      * {@inheritdoc}
      */
-    public function getCombinationTranslators(): array
+    public function getCombinationTranslators()
     {
         return array(
             ' ' => array($this, 'translateDescendant'),
@@ -41,7 +41,7 @@ class CombinationExtension extends AbstractExtension
     /**
      * @return XPathExpr
      */
-    public function translateDescendant(XPathExpr $xpath, XPathExpr $combinedXpath): XPathExpr
+    public function translateDescendant(XPathExpr $xpath, XPathExpr $combinedXpath)
     {
         return $xpath->join('/descendant-or-self::*/', $combinedXpath);
     }

vendor/symfony/css-selector/XPath/Extension/FunctionExtension.php

@@ -46,9 +46,16 @@ class FunctionExtension extends AbstractExtension
     }
 
     /**
+     * @param XPathExpr    $xpath
+     * @param FunctionNode $function
+     * @param bool         $last
+     * @param bool         $addNameTest
+     *
+     * @return XPathExpr
+     *
      * @throws ExpressionErrorException
      */
-    public function translateNthChild(XPathExpr $xpath, FunctionNode $function, bool $last = false, bool $addNameTest = true): XPathExpr
+    public function translateNthChild(XPathExpr $xpath, FunctionNode $function, $last = false, $addNameTest = true)
     {
         try {
             list($a, $b) = Parser::parseSeries($function->getArguments());
@@ -103,20 +110,28 @@ class FunctionExtension extends AbstractExtension
         // -1n+6 means elements 6 and previous
     }
 
-    public function translateNthLastChild(XPathExpr $xpath, FunctionNode $function): XPathExpr
+    /**
+     * @return XPathExpr
+     */
+    public function translateNthLastChild(XPathExpr $xpath, FunctionNode $function)
     {
         return $this->translateNthChild($xpath, $function, true);
     }
 
-    public function translateNthOfType(XPathExpr $xpath, FunctionNode $function): XPathExpr
+    /**
+     * @return XPathExpr
+     */
+    public function translateNthOfType(XPathExpr $xpath, FunctionNode $function)
     {
         return $this->translateNthChild($xpath, $function, false, false);
     }
 
     /**
+     * @return XPathExpr
+     *
      * @throws ExpressionErrorException
      */
-    public function translateNthLastOfType(XPathExpr $xpath, FunctionNode $function): XPathExpr
+    public function translateNthLastOfType(XPathExpr $xpath, FunctionNode $function)
     {
         if ('*' === $xpath->getElement()) {
             throw new ExpressionErrorException('"*:nth-of-type()" is not implemented.');
@@ -126,9 +141,11 @@ class FunctionExtension extends AbstractExtension
     }
 
     /**
+     * @return XPathExpr
+     *
      * @throws ExpressionErrorException
      */
-    public function translateContains(XPathExpr $xpath, FunctionNode $function): XPathExpr
+    public function translateContains(XPathExpr $xpath, FunctionNode $function)
     {
         $arguments = $function->getArguments();
         foreach ($arguments as $token) {
@@ -147,9 +164,11 @@ class FunctionExtension extends AbstractExtension
     }
 
     /**
+     * @return XPathExpr
+     *
      * @throws ExpressionErrorException
      */
-    public function translateLang(XPathExpr $xpath, FunctionNode $function): XPathExpr
+    public function translateLang(XPathExpr $xpath, FunctionNode $function)
     {
         $arguments = $function->getArguments();
         foreach ($arguments as $token) {

vendor/symfony/css-selector/XPath/Extension/NodeExtension.php

@@ -33,15 +33,21 @@ class NodeExtension extends AbstractExtension
 
     private $flags;
 
-    public function __construct(int $flags = 0)
+    /**
+     * @param int $flags
+     */
+    public function __construct($flags = 0)
     {
         $this->flags = $flags;
     }
 
     /**
+     * @param int  $flag
+     * @param bool $on
+     *
      * @return $this
      */
-    public function setFlag(int $flag, bool $on)
+    public function setFlag($flag, $on)
     {
         if ($on && !$this->hasFlag($flag)) {
             $this->flags += $flag;
@@ -54,7 +60,12 @@ class NodeExtension extends AbstractExtension
         return $this;
     }
 
-    public function hasFlag(int $flag): bool
+    /**
+     * @param int $flag
+     *
+     * @return bool
+     */
+    public function hasFlag($flag)
     {
         return (bool) ($this->flags & $flag);
     }
@@ -77,17 +88,26 @@ class NodeExtension extends AbstractExtension
         );
     }
 
-    public function translateSelector(Node\SelectorNode $node, Translator $translator): XPathExpr
+    /**
+     * @return XPathExpr
+     */
+    public function translateSelector(Node\SelectorNode $node, Translator $translator)
     {
         return $translator->nodeToXPath($node->getTree());
     }
 
-    public function translateCombinedSelector(Node\CombinedSelectorNode $node, Translator $translator): XPathExpr
+    /**
+     * @return XPathExpr
+     */
+    public function translateCombinedSelector(Node\CombinedSelectorNode $node, Translator $translator)
     {
         return $translator->addCombination($node->getCombinator(), $node->getSelector(), $node->getSubSelector());
     }
 
-    public function translateNegation(Node\NegationNode $node, Translator $translator): XPathExpr
+    /**
+     * @return XPathExpr
+     */
+    public function translateNegation(Node\NegationNode $node, Translator $translator)
     {
         $xpath = $translator->nodeToXPath($node->getSelector());
         $subXpath = $translator->nodeToXPath($node->getSubSelector());
@@ -100,21 +120,30 @@ class NodeExtension extends AbstractExtension
         return $xpath->addCondition('0');
     }
 
-    public function translateFunction(Node\FunctionNode $node, Translator $translator): XPathExpr
+    /**
+     * @return XPathExpr
+     */
+    public function translateFunction(Node\FunctionNode $node, Translator $translator)
     {
         $xpath = $translator->nodeToXPath($node->getSelector());
 
         return $translator->addFunction($xpath, $node);
     }
 
-    public function translatePseudo(Node\PseudoNode $node, Translator $translator): XPathExpr
+    /**
+     * @return XPathExpr
+     */
+    public function translatePseudo(Node\PseudoNode $node, Translator $translator)
     {
         $xpath = $translator->nodeToXPath($node->getSelector());
 
         return $translator->addPseudoClass($xpath, $node->getIdentifier());
     }
 
-    public function translateAttribute(Node\AttributeNode $node, Translator $translator): XPathExpr
+    /**
+     * @return XPathExpr
+     */
+    public function translateAttribute(Node\AttributeNode $node, Translator $translator)
     {
         $name = $node->getAttribute();
         $safe = $this->isSafeName($name);
@@ -139,21 +168,30 @@ class NodeExtension extends AbstractExtension
         return $translator->addAttributeMatching($xpath, $node->getOperator(), $attribute, $value);
     }
 
-    public function translateClass(Node\ClassNode $node, Translator $translator): XPathExpr
+    /**
+     * @return XPathExpr
+     */
+    public function translateClass(Node\ClassNode $node, Translator $translator)
     {
         $xpath = $translator->nodeToXPath($node->getSelector());
 
         return $translator->addAttributeMatching($xpath, '~=', '@class', $node->getName());
     }
 
-    public function translateHash(Node\HashNode $node, Translator $translator): XPathExpr
+    /**
+     * @return XPathExpr
+     */
+    public function translateHash(Node\HashNode $node, Translator $translator)
     {
         $xpath = $translator->nodeToXPath($node->getSelector());
 
         return $translator->addAttributeMatching($xpath, '=', '@id', $node->getId());
     }
 
-    public function translateElement(Node\ElementNode $node): XPathExpr
+    /**
+     * @return XPathExpr
+     */
+    public function translateElement(Node\ElementNode $node)
     {
         $element = $node->getElement();
 
@@ -190,7 +228,14 @@ class NodeExtension extends AbstractExtension
         return 'node';
     }
 
-    private function isSafeName(string $name): bool
+    /**
+     * Tests if given name is safe.
+     *
+     * @param string $name
+     *
+     * @return bool
+     */
+    private function isSafeName($name)
     {
         return 0 < preg_match('~^[a-zA-Z_][a-zA-Z0-9_.-]*$~', $name);
     }

vendor/symfony/css-selector/XPath/Translator.php

@@ -61,7 +61,12 @@ class Translator implements TranslatorInterface
         ;
     }
 
-    public static function getXpathLiteral(string $element): string
+    /**
+     * @param string $element
+     *
+     * @return string
+     */
+    public static function getXpathLiteral($element)
     {
         if (false === strpos($element, "'")) {
             return "'".$element."'";
@@ -90,7 +95,7 @@ class Translator implements TranslatorInterface
     /**
      * {@inheritdoc}
      */
-    public function cssToXPath(string $cssExpr, string $prefix = 'descendant-or-self::'): string
+    public function cssToXPath($cssExpr, $prefix = 'descendant-or-self::')
     {
         $selectors = $this->parseSelectors($cssExpr);
 
@@ -109,12 +114,17 @@ class Translator implements TranslatorInterface
     /**
      * {@inheritdoc}
      */
-    public function selectorToXPath(SelectorNode $selector, string $prefix = 'descendant-or-self::'): string
+    public function selectorToXPath(SelectorNode $selector, $prefix = 'descendant-or-self::')
     {
         return ($prefix ?: '').$this->nodeToXPath($selector);
     }
 
-    public function registerExtension(Extension\ExtensionInterface $extension): Translator
+    /**
+     * Registers an extension.
+     *
+     * @return $this
+     */
+    public function registerExtension(Extension\ExtensionInterface $extension)
     {
         $this->extensions[$extension->getName()] = $extension;
 
@@ -128,9 +138,13 @@ class Translator implements TranslatorInterface
     }
 
     /**
+     * @param string $name
+     *
+     * @return Extension\ExtensionInterface
+     *
      * @throws ExpressionErrorException
      */
-    public function getExtension(string $name): Extension\ExtensionInterface
+    public function getExtension($name)
     {
         if (!isset($this->extensions[$name])) {
             throw new ExpressionErrorException(sprintf('Extension "%s" not registered.', $name));
@@ -139,7 +153,12 @@ class Translator implements TranslatorInterface
         return $this->extensions[$name];
     }
 
-    public function registerParserShortcut(ParserInterface $shortcut): Translator
+    /**
+     * Registers a shortcut parser.
+     *
+     * @return $this
+     */
+    public function registerParserShortcut(ParserInterface $shortcut)
     {
         $this->shortcutParsers[] = $shortcut;
 
@@ -147,9 +166,11 @@ class Translator implements TranslatorInterface
     }
 
     /**
+     * @return XPathExpr
+     *
      * @throws ExpressionErrorException
      */
-    public function nodeToXPath(NodeInterface $node): XPathExpr
+    public function nodeToXPath(NodeInterface $node)
     {
         if (!isset($this->nodeTranslators[$node->getNodeName()])) {
             throw new ExpressionErrorException(sprintf('Node "%s" not supported.', $node->getNodeName()));
@@ -159,9 +180,15 @@ class Translator implements TranslatorInterface
     }
 
     /**
+     * @param string        $combiner
+     * @param NodeInterface $xpath
+     * @param NodeInterface $combinedXpath
+     *
+     * @return XPathExpr
+     *
      * @throws ExpressionErrorException
      */
-    public function addCombination(string $combiner, NodeInterface $xpath, NodeInterface $combinedXpath): XPathExpr
+    public function addCombination($combiner, NodeInterface $xpath, NodeInterface $combinedXpath)
     {
         if (!isset($this->combinationTranslators[$combiner])) {
             throw new ExpressionErrorException(sprintf('Combiner "%s" not supported.', $combiner));
@@ -171,9 +198,11 @@ class Translator implements TranslatorInterface
     }
 
     /**
+     * @return XPathExpr
+     *
      * @throws ExpressionErrorException
      */
-    public function addFunction(XPathExpr $xpath, FunctionNode $function): XPathExpr
+    public function addFunction(XPathExpr $xpath, FunctionNode $function)
     {
         if (!isset($this->functionTranslators[$function->getName()])) {
             throw new ExpressionErrorException(sprintf('Function "%s" not supported.', $function->getName()));
@@ -183,9 +212,14 @@ class Translator implements TranslatorInterface
     }
 
     /**
+     * @param XPathExpr $xpath
+     * @param string    $pseudoClass
+     *
+     * @return XPathExpr
+     *
      * @throws ExpressionErrorException
      */
-    public function addPseudoClass(XPathExpr $xpath, string $pseudoClass): XPathExpr
+    public function addPseudoClass(XPathExpr $xpath, $pseudoClass)
     {
         if (!isset($this->pseudoClassTranslators[$pseudoClass])) {
             throw new ExpressionErrorException(sprintf('Pseudo-class "%s" not supported.', $pseudoClass));
@@ -195,9 +229,16 @@ class Translator implements TranslatorInterface
     }
 
     /**
+     * @param XPathExpr $xpath
+     * @param string    $operator
+     * @param string    $attribute
+     * @param string    $value
+     *
+     * @return XPathExpr
+     *
      * @throws ExpressionErrorException
      */
-    public function addAttributeMatching(XPathExpr $xpath, string $operator, string $attribute, $value): XPathExpr
+    public function addAttributeMatching(XPathExpr $xpath, $operator, $attribute, $value)
     {
         if (!isset($this->attributeMatchingTranslators[$operator])) {
             throw new ExpressionErrorException(sprintf('Attribute matcher operator "%s" not supported.', $operator));
@@ -207,9 +248,11 @@ class Translator implements TranslatorInterface
     }
 
     /**
+     * @param string $css
+     *
      * @return SelectorNode[]
      */
-    private function parseSelectors(string $css)
+    private function parseSelectors($css)
     {
         foreach ($this->shortcutParsers as $shortcut) {
             $tokens = $shortcut->parse($css);

vendor/symfony/css-selector/XPath/TranslatorInterface.php

@@ -27,11 +27,21 @@ interface TranslatorInterface
 {
     /**
      * Translates a CSS selector to an XPath expression.
+     *
+     * @param string $cssExpr
+     * @param string $prefix
+     *
+     * @return string
      */
-    public function cssToXPath(string $cssExpr, string $prefix = 'descendant-or-self::'): string;
+    public function cssToXPath($cssExpr, $prefix = 'descendant-or-self::');
 
     /**
      * Translates a parsed selector node to an XPath expression.
+     *
+     * @param SelectorNode $selector
+     * @param string       $prefix
+     *
+     * @return string
      */
-    public function selectorToXPath(SelectorNode $selector, string $prefix = 'descendant-or-self::'): string;
+    public function selectorToXPath(SelectorNode $selector, $prefix = 'descendant-or-self::');
 }

vendor/symfony/css-selector/XPath/XPathExpr.php

@@ -27,7 +27,13 @@ class XPathExpr
     private $element;
     private $condition;
 
-    public function __construct(string $path = '', string $element = '*', string $condition = '', bool $starPrefix = false)
+    /**
+     * @param string $path
+     * @param string $element
+     * @param string $condition
+     * @param bool   $starPrefix
+     */
+    public function __construct($path = '', $element = '*', $condition = '', $starPrefix = false)
     {
         $this->path = $path;
         $this->element = $element;
@@ -38,24 +44,38 @@ class XPathExpr
         }
     }
 
-    public function getElement(): string
+    /**
+     * @return string
+     */
+    public function getElement()
     {
         return $this->element;
     }
 
-    public function addCondition(string $condition): XPathExpr
+    /**
+     * @param $condition
+     *
+     * @return $this
+     */
+    public function addCondition($condition)
     {
         $this->condition = $this->condition ? sprintf('%s and (%s)', $this->condition, $condition) : $condition;
 
         return $this;
     }
 
-    public function getCondition(): string
+    /**
+     * @return string
+     */
+    public function getCondition()
     {
         return $this->condition;
     }
 
-    public function addNameTest(): XPathExpr
+    /**
+     * @return $this
+     */
+    public function addNameTest()
     {
         if ('*' !== $this->element) {
             $this->addCondition('name() = '.Translator::getXpathLiteral($this->element));
@@ -65,7 +85,10 @@ class XPathExpr
         return $this;
     }
 
-    public function addStarPrefix(): XPathExpr
+    /**
+     * @return $this
+     */
+    public function addStarPrefix()
     {
         $this->path .= '*/';
 
@@ -75,9 +98,12 @@ class XPathExpr
     /**
      * Joins another XPathExpr with a combiner.
      *
+     * @param string    $combiner
+     * @param XPathExpr $expr
+     *
      * @return $this
      */
-    public function join(string $combiner, XPathExpr $expr): XPathExpr
+    public function join($combiner, XPathExpr $expr)
     {
         $path = $this->__toString().$combiner;
 
@@ -92,7 +118,10 @@ class XPathExpr
         return $this;
     }
 
-    public function __toString(): string
+    /**
+     * @return string
+     */
+    public function __toString()
     {
         $path = $this->path.$this->element;
         $condition = null === $this->condition || '' === $this->condition ? '' : '['.$this->condition.']';

vendor/symfony/css-selector/composer.json

@@ -20,7 +20,7 @@
         }
     ],
     "require": {
-        "php": "^7.1.3"
+        "php": "^5.5.9|>=7.0.8"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\CssSelector\\": "" },
@@ -31,7 +31,7 @@
     "minimum-stability": "dev",
     "extra": {
         "branch-alias": {
-            "dev-master": "4.0-dev"
+            "dev-master": "3.4-dev"
         }
     }
 }