Merge branch '5.1' into 5.x

Author: derrabus

PropertyAccessor.php

@@ -224,7 +224,7 @@ private static function throwInvalidArgumentException(string $message, array $tr
         }
 
         if (preg_match('/^\S+::\S+\(\): Argument #\d+ \(\$\S+\) must be of type (\S+), (\S+) given/', $message, $matches)) {
-            list(, $expectedType, $actualType) = $matches;
+            [, $expectedType, $actualType] = $matches;
 
             throw new InvalidArgumentException(sprintf('Expected argument of type "%s", "%s" given at property path "%s".', $expectedType, 'NULL' === $actualType ? 'null' : $actualType, $propertyPath), 0, $previous);
         }
@@ -419,7 +419,7 @@ private function readProperty(array $zval, string $property, bool $ignoreInvalid
                     try {
                         $result[self::VALUE] = $object->$name();
                     } catch (\TypeError $e) {
-                        list($trace) = $e->getTrace();
+                        [$trace] = $e->getTrace();
 
                         // handle uninitialized properties in PHP >= 7
                         if (__FILE__ === $trace['file']