Enable strict interpretation of scalar type declarations

Author: sebastianbergmann

.php_cs.dist

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 $header = <<<'EOF'
 This file is part of the php-code-coverage package.
 
@@ -51,6 +51,7 @@ return PhpCsFixer\Config::create()
             'compact_nullable_typehint' => true,
             'concat_space' => ['spacing' => 'one'],
             'declare_equal_normalize' => ['space' => 'none'],
+            'declare_strict_types' => true,
             'dir_constant' => true,
             'elseif' => true,
             'encoding' => true,

src/CodeCoverage.php

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /*
  * This file is part of the php-code-coverage package.
  *
@@ -696,7 +696,7 @@ private function getLinesToBeIgnoredInner(string $fileName): array
             switch (\get_class($token)) {
                 case \PHP_Token_COMMENT::class:
                 case \PHP_Token_DOC_COMMENT::class:
-                    $_token = \trim($token);
+                    $_token = \trim((string) $token);
                     $_line  = \trim($lines[$token->getLine() - 1]);
 
                     if ($_token === '// @codeCoverageIgnore' ||
@@ -713,7 +713,7 @@ private function getLinesToBeIgnoredInner(string $fileName): array
 
                     if (!$ignore) {
                         $start = $token->getLine();
-                        $end   = $start + \substr_count($token, "\n");
+                        $end   = $start + \substr_count((string) $token, "\n");
 
                         // Do not ignore the first line when there is a token
                         // before the comment
@@ -740,7 +740,7 @@ private function getLinesToBeIgnoredInner(string $fileName): array
                 case \PHP_Token_FUNCTION::class:
                     /* @var \PHP_Token_Interface $token */
 
-                    $docblock = $token->getDocblock();
+                    $docblock = (string) $token->getDocblock();
 
                     $this->ignoredLines[$fileName][] = $token->getLine();
 

src/Driver/Driver.php

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /*
  * This file is part of the php-code-coverage package.
  *

src/Driver/PHPDBG.php

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /*
  * This file is part of the php-code-coverage package.
  *

src/Driver/Xdebug.php

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /*
  * This file is part of the php-code-coverage package.
  *

src/Exception/CoveredCodeNotExecutedException.php

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /*
  * This file is part of the php-code-coverage package.
  *

src/Exception/Exception.php

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /*
  * This file is part of the php-code-coverage package.
  *

src/Exception/InvalidArgumentException.php

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /*
  * This file is part of the php-code-coverage package.
  *

src/Exception/MissingCoversAnnotationException.php

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /*
  * This file is part of the php-code-coverage package.
  *

src/Exception/RuntimeException.php

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /*
  * This file is part of the php-code-coverage package.
  *