Fix phpstan errors

phpstan-baseline.neon

@@ -1,5 +1,10 @@
 parameters:
 	ignoreErrors:
+		-
+			message: "#^Parameter \\#1 \\$value of function strval expects bool\\|float\\|int\\|resource\\|string\\|null, mixed given\\.$#"
+			count: 2
+			path: src/Prophecy/Argument/Token/ExactValueToken.php
+
 		-
 			message: "#^Method Prophecy\\\\Call\\\\CallCenter\\:\\:indentArguments\\(\\) should return array\\<string\\> but returns array\\<string\\>\\|null\\.$#"
 			count: 1

phpstan.neon

@@ -4,5 +4,7 @@ parameters:
     treatPhpDocTypesAsCertain: false
     paths:
         - ./src/
+    excludePaths:
+        - src/Prophecy/Comparator/Factory.php
 includes:
     - phpstan-baseline.neon

src/Prophecy/Comparator/ClosureComparator.php

@@ -21,22 +21,38 @@
  */
 final class ClosureComparator extends Comparator
 {
+    /**
+     * @param mixed $expected
+     * @param mixed $actual
+     */
     public function accepts($expected, $actual): bool
     {
         return is_object($expected) && $expected instanceof \Closure
             && is_object($actual) && $actual instanceof \Closure;
     }
 
+    /**
+     * @param mixed $expected
+     * @param mixed $actual
+     * @param float $delta
+     * @param bool  $canonicalize
+     * @param bool  $ignoreCase
+     */
     public function assertEquals($expected, $actual, $delta = 0.0, $canonicalize = false, $ignoreCase = false): void
     {
         if ($expected !== $actual) {
+            // Support for sebastian/comparator < 5
+            if ((new \ReflectionMethod(ComparisonFailure::class, '__construct'))->getNumberOfParameters() >= 6) {
+                // @phpstan-ignore-next-line
+                throw new ComparisonFailure($expected, $actual, '', '', false, 'all closures are different if not identical');
+            }
+
             throw new ComparisonFailure(
                 $expected,
                 $actual,
                 // we don't need a diff
                 '',
                 '',
-                false,
                 'all closures are different if not identical'
             );
         }

src/Prophecy/Comparator/ProphecyComparator.php

@@ -19,12 +19,23 @@
  */
 class ProphecyComparator extends ObjectComparator
 {
+    /**
+     * @param mixed $expected
+     * @param mixed $actual
+     */
     public function accepts($expected, $actual): bool
     {
         return is_object($expected) && is_object($actual) && $actual instanceof ProphecyInterface;
     }
 
     /**
+     * @param mixed $expected
+     * @param mixed $actual
+     * @param float $delta
+     * @param bool  $canonicalize
+     * @param bool  $ignoreCase
+     * @param array $processed
+     *
      * @phpstan-param list<array{object, object}> $processed
      */
     public function assertEquals($expected, $actual, $delta = 0.0, $canonicalize = false, $ignoreCase = false, array &$processed = array()): void

src/Prophecy/Util/ExportUtil.php

@@ -147,6 +147,7 @@ protected static function recursiveExport(&$value, $indentation, $processed = nu
                 return 'Array &' . $key;
             }
 
+            \assert(\is_array($value));
             $array  = $value;
             $key    = $processed->add($value);
             $values = '';
@@ -171,10 +172,12 @@ protected static function recursiveExport(&$value, $indentation, $processed = nu
             $class = get_class($value);
 
             if ($processed->contains($value)) {
+                \assert(\is_object($value));
                 return sprintf('%s#%d Object', $class, spl_object_id($value));
             }
 
             $processed->add($value);
+            \assert(\is_object($value));
             $values = '';
             $array  = self::toArray($value);