Merge pull request #143 from j0k3r/dependabot/composer/friendsofphp/php-cs-fixer-3.95.24

Updates the requirements on [phpstan/phpstan](https://github.com/phpstan/phpstan-phar-composer-source) to permit the latest version.
- [Commits](https://github.com/phpstan/phpstan-phar-composer-source/commits)

---
updated-dependencies:
- dependency-name: phpstan/phpstan
  dependency-version: 2.2.12
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

.gitattributes

@@ -6,5 +6,6 @@
 /.php_cs export-ignore
 /phpunit.xml.dist export-ignore
 /phpstan.neon export-ignore
+/rector.php export-ignore
 /.github export-ignore
 /tests export-ignore

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "composer"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/coding-standards.yml

@@ -8,38 +8,32 @@ on:
     branches:
       - master
 
-env:
-  SYMFONY_PHPUNIT_VERSION: 7.5
-
 jobs:
   coding-standards:
     name: "CS Fixer & PHPStan"
-    runs-on: "ubuntu-18.04"
+    runs-on: "ubuntu-22.04"
 
     strategy:
       matrix:
         php:
-          - "7.3"
+          - "7.4"
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v4"
 
       - name: "Install PHP"
         uses: "shivammathur/setup-php@v2"
         with:
           coverage: "none"
           php-version: "${{ matrix.php }}"
-          tools: cs2pr, composer:v1
+          tools: cs2pr, composer:v2
           ini-values: "date.timezone=Europe/Paris"
         env:
           COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: "Add PHPStan"
-        run: "composer require phpstan/phpstan phpstan/phpstan-phpunit --dev --no-progress --no-suggest"
-
       - name: "Install dependencies with Composer"
-        uses: "ramsey/composer-install@v1"
+        uses: "ramsey/composer-install@v3"
         with:
           composer-options: "--optimize-autoloader --prefer-dist"
 

.github/workflows/continuous-integration.yml

@@ -14,163 +14,22 @@ env:
 jobs:
   phpunit:
     name: "PHPUnit (PHP ${{ matrix.php }})"
-    runs-on: "ubuntu-18.04"
+    runs-on: "ubuntu-22.04"
-
-    strategy:
-      matrix:
-        php:
-          - "5.6"
-          - "7.0"
-          - "7.1"
-          - "7.2"
-          - "7.3"
-          - "7.4"
-
-    steps:
-      - name: "Checkout"
-        uses: "actions/checkout@v2"
-        with:
-          fetch-depth: 2
-
-      - name: "Install PHP"
-        uses: "shivammathur/setup-php@v2"
-        with:
-          php-version: "${{ matrix.php }}"
-          coverage: "none"
-          tools: composer:v1
-          extensions: tidy
-          ini-values: "date.timezone=Europe/Paris"
-        env:
-          COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: "Force PHPUnit version"
-        if: matrix.php >= '7.2'
-        run: "echo $SYMFONY_PHPUNIT_VERSION"
-        env:
-          SYMFONY_PHPUNIT_VERSION: 7.5
-
-      - name: "Remove useless deps"
-        run: "composer remove friendsofphp/php-cs-fixer --dev --no-progress --no-update"
-
-      - name: "Install dependencies with Composer"
-        uses: "ramsey/composer-install@v1"
-        with:
-          composer-options: "--optimize-autoloader --prefer-dist"
-
-      - name: "Setup logs"
-        run: "mkdir -p build/logs"
-
-      - name: "Run PHPUnit"
-        run: "php vendor/bin/simple-phpunit -v"
-
-  phpunit-coverage:
-    name: "PHPUnit coverage (PHP ${{ matrix.php }})"
-    runs-on: "ubuntu-18.04"
 
     strategy:
       matrix:
         php:
           - "7.4"
+          - "8.0"
+          - "8.1"
+          - "8.2"
+          - "8.3"
+          - "8.4"
+          - "8.5"
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v4"
-        with:
-          fetch-depth: 2
-
-      - name: "Install PHP with Xdebug"
-        uses: "shivammathur/setup-php@v2"
-        with:
-          php-version: "${{ matrix.php }}"
-          coverage: "xdebug"
-          tools: composer:v1
-          extensions: tidy
-          ini-values: "date.timezone=Europe/Paris"
-        env:
-          COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: "Remove useless deps"
-        run: "composer remove friendsofphp/php-cs-fixer --dev --no-progress --no-update"
-
-      - name: "Install dependencies with Composer"
-        uses: "ramsey/composer-install@v1"
-        with:
-          composer-options: "--optimize-autoloader --prefer-dist"
-
-      - name: "Setup logs"
-        run: "mkdir -p build/logs"
-
-      - name: "Run PHPUnit (with coverage)"
-        run: "php vendor/bin/simple-phpunit -v --coverage-clover build/logs/clover.xml"
-        env:
-          SYMFONY_PHPUNIT_VERSION: 7.5
-
-      - name: "Retrieve Coveralls phar"
-        run: "wget https://github.com/php-coveralls/php-coveralls/releases/download/v2.4.2/php-coveralls.phar"
-
-      - name: "Enable Coveralls phar"
-        run: "chmod +x php-coveralls.phar"
-
-      - name: "Upload to Coveralls"
-        run: "php php-coveralls.phar -v -x build/logs/clover.xml"
-        env:
-          COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-  phpunit-lowest:
-    name: "PHPUnit lowest deps (PHP ${{ matrix.php }})"
-    runs-on: "ubuntu-18.04"
-
-    strategy:
-      matrix:
-        php:
-          - "7.2"
-
-    steps:
-      - name: "Checkout"
-        uses: "actions/checkout@v2"
-        with:
-          fetch-depth: 2
-
-      - name: "Install PHP"
-        uses: "shivammathur/setup-php@v2"
-        with:
-          php-version: "${{ matrix.php }}"
-          coverage: "none"
-          tools: composer:v1
-          extensions: tidy
-          ini-values: "date.timezone=Europe/Paris"
-        env:
-          COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: "Remove useless deps"
-        run: "composer remove friendsofphp/php-cs-fixer --dev --no-progress --no-update"
-
-      - name: "Install dependencies with Composer"
-        uses: "ramsey/composer-install@v1"
-        with:
-          composer-options: "--optimize-autoloader --prefer-dist"
-          dependency-versions: "lowest"
-
-      - name: "Setup logs"
-        run: "mkdir -p build/logs"
-
-      - name: "Run PHPUnit"
-        run: "php vendor/bin/simple-phpunit -v"
-        env:
-          SYMFONY_PHPUNIT_VERSION: 7.5
-
-  phpunit-composerv2:
-    name: "PHPUnit with Composer v2 (PHP ${{ matrix.php }})"
-    runs-on: "ubuntu-18.04"
-
-    strategy:
-      matrix:
-        php:
-          - "7.4"
-
-    steps:
-      - name: "Checkout"
-        uses: "actions/checkout@v2"
         with:
           fetch-depth: 2
 
@@ -189,7 +48,7 @@ jobs:
         run: "composer remove friendsofphp/php-cs-fixer --dev --no-progress --no-update"
 
       - name: "Install dependencies with Composer"
-        uses: "ramsey/composer-install@v1"
+        uses: "ramsey/composer-install@v3"
         with:
           composer-options: "--optimize-autoloader --prefer-dist"
 
@@ -198,5 +57,95 @@ jobs:
 
       - name: "Run PHPUnit"
         run: "php vendor/bin/simple-phpunit -v"
+
+  phpunit-coverage:
+    name: "PHPUnit coverage (PHP ${{ matrix.php }})"
+    runs-on: "ubuntu-22.04"
+
+    strategy:
+      matrix:
+        php:
+          - "8.0"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v4"
+        with:
+          fetch-depth: 2
+
+      - name: "Install PHP with Xdebug"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "${{ matrix.php }}"
+          coverage: "xdebug"
+          tools: composer:v2
+          extensions: tidy
+          ini-values: "date.timezone=Europe/Paris"
         env:
-          SYMFONY_PHPUNIT_VERSION: 7.5
+          COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: "Remove useless deps"
+        run: "composer remove friendsofphp/php-cs-fixer --dev --no-progress --no-update"
+
+      - name: "Install dependencies with Composer"
+        uses: "ramsey/composer-install@v3"
+        with:
+          composer-options: "--optimize-autoloader --prefer-dist"
+
+      - name: "Setup logs"
+        run: "mkdir -p build/logs"
+
+      - name: "Run PHPUnit (with coverage)"
+        run: "php vendor/bin/simple-phpunit -v --coverage-clover build/logs/clover.xml"
+
+      - name: "Retrieve Coveralls phar"
+        run: "wget https://github.com/php-coveralls/php-coveralls/releases/download/v2.7.0/php-coveralls.phar"
+
+      - name: "Enable Coveralls phar"
+        run: "chmod +x php-coveralls.phar"
+
+      - name: "Upload to Coveralls"
+        run: "php php-coveralls.phar -v -x build/logs/clover.xml"
+        env:
+          COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  phpunit-lowest:
+    name: "PHPUnit lowest deps (PHP ${{ matrix.php }})"
+    runs-on: "ubuntu-22.04"
+
+    strategy:
+      matrix:
+        php:
+          - "7.4"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v4"
+        with:
+          fetch-depth: 2
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "${{ matrix.php }}"
+          coverage: "none"
+          tools: composer:v2
+          extensions: tidy
+          ini-values: "date.timezone=Europe/Paris"
+        env:
+          COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: "Remove useless deps"
+        run: "composer remove friendsofphp/php-cs-fixer --dev --no-progress --no-update"
+
+      - name: "Install dependencies with Composer"
+        uses: "ramsey/composer-install@v3"
+        with:
+          composer-options: "--optimize-autoloader --prefer-dist"
+          dependency-versions: "lowest"
+
+      - name: "Setup logs"
+        run: "mkdir -p build/logs"
+
+      - name: "Run PHPUnit"
+        run: "php vendor/bin/simple-phpunit -v"

.gitignore

@@ -2,4 +2,6 @@ vendor/
 coverage/
 composer.lock
 .php_cs.cache
+.php-cs-fixer.cache
 .phpunit.result.cache
+phpstan.neon

.php-cs-fixer.php

@@ -0,0 +1,37 @@
+<?php
+
+$finder = (new PhpCsFixer\Finder())
+    ->in(__DIR__)
+    ->exclude(['vendor', 'var', 'web'])
+;
+
+return (new PhpCsFixer\Config())
+    ->setUsingCache(true)
+    ->setRiskyAllowed(true)
+    ->setRules([
+        '@Symfony' => true,
+        '@Symfony:risky' => true,
+        'array_syntax' => ['syntax' => 'short'],
+        'combine_consecutive_unsets' => true,
+        'heredoc_to_nowdoc' => true,
+        'no_extra_blank_lines' => ['tokens' => ['break', 'continue', 'extra', 'return', 'throw', 'use', 'parenthesis_brace_block', 'square_brace_block', 'curly_brace_block']],
+        'no_unreachable_default_argument_value' => true,
+        'no_useless_else' => true,
+        'no_useless_return' => true,
+        'ordered_class_elements' => true,
+        'ordered_imports' => true,
+        'php_unit_strict' => false,
+        'phpdoc_order' => true,
+        // 'psr4' => true,
+        'strict_comparison' => true,
+        'strict_param' => true,
+        'concat_space' => ['spacing' => 'one'],
+        // Pulled in by @Symfony:risky but we still support PHP 7.4
+        'modernize_strpos' => false,
+        // Pulled in by @Symfony, we cannot add property types until we bump PHP to ≥ 7.4
+        'no_null_property_initialization' => false,
+        // @Symfony:risky started removing them but we will probably want to go the opposite direction.
+        'declare_strict_types' => false,
+    ])
+    ->setFinder($finder)
+;

.php_cs

@@ -1,30 +0,0 @@
-<?php
-
-return PhpCsFixer\Config::create()
-    ->setUsingCache(true)
-    ->setRiskyAllowed(true)
-    ->setRules([
-        '@Symfony' => true,
-        '@Symfony:risky' => true,
-        'array_syntax' => ['syntax' => 'short'],
-        'combine_consecutive_unsets' => true,
-        'heredoc_to_nowdoc' => true,
-        'no_extra_consecutive_blank_lines' => ['break', 'continue', 'extra', 'return', 'throw', 'use', 'parenthesis_brace_block', 'square_brace_block', 'curly_brace_block'],
-        'no_unreachable_default_argument_value' => true,
-        'no_useless_else' => true,
-        'no_useless_return' => true,
-        'ordered_class_elements' => true,
-        'ordered_imports' => true,
-        'php_unit_strict' => false,
-        'phpdoc_order' => true,
-        // 'psr4' => true,
-        'strict_comparison' => true,
-        'strict_param' => true,
-        'concat_space' => ['spacing' => 'one'],
-    ])
-    ->setFinder(
-        PhpCsFixer\Finder::create()
-            ->exclude(['vendor'])
-            ->in(__DIR__)
-    )
-;

.scrutinizer.yml

@@ -1,12 +0,0 @@
-tools:
-    external_code_coverage: false
-
-build:
-    nodes:
-        analysis:
-            tests:
-                override:
-                    - php-scrutinizer-run
-            environment:
-                php:
-                    version: 7.2

.travis.yml

@@ -1,34 +0,0 @@
-dist: xenial
-os: linux
-language: php
-
-# avoid double Travis build when the PR is created on upstream
-if: |
-    type = pull_request OR \
-    branch = master
-
-jobs:
-    include:
-        - php: 8.0
-          env: SYMFONY_PHPUNIT_VERSION=7.5
-    fast_finish: true
-    allow_failures:
-        - php: 8.0
-
-cache:
-    directories:
-        - $HOME/.composer/cache/files
-
-before_install:
-    - if [ -n "$GH_TOKEN" ]; then composer config github-oauth.github.com ${GH_TOKEN}; fi;
-
-install:
-    - if [ "$CS_FIXER" != "run" ]; then composer remove friendsofphp/php-cs-fixer --dev --no-progress --no-update ; fi;
-    - composer update --prefer-dist --no-progress --no-suggest -o $
-    - php vendor/bin/simple-phpunit install
-
-before_script:
-    - mkdir -p build/logs
-
-script:
-    - php vendor/bin/simple-phpunit -v

README.md

@@ -1,12 +1,11 @@
 # Readability
 
 ![CI](https://github.com/j0k3r/php-readability/workflows/CI/badge.svg)
-[![Build Status](https://travis-ci.org/j0k3r/php-readability.svg?branch=master)](https://travis-ci.org/j0k3r/php-readability)
 [![Coverage Status](https://coveralls.io/repos/j0k3r/php-readability/badge.svg?branch=master&service=github)](https://coveralls.io/github/j0k3r/php-readability/?branch=master)
 [![Total Downloads](https://poser.pugx.org/j0k3r/php-readability/downloads)](https://packagist.org/packages/j0k3r/php-readability)
 [![License](https://poser.pugx.org/j0k3r/php-readability/license)](https://packagist.org/packages/j0k3r/php-readability)
 
-This is an extract of the Readability class from this [full-text-rss](https://github.com/Dither/full-text-rss) fork. It can be defined as a better version of the original [php-readability](https://bitbucket.org/fivefilters/php-readability/overview).
+This is an extract of the Readability class from this [full-text-rss](https://github.com/Dither/full-text-rss) fork. It can be defined as a better version of the original [php-readability](https://bitbucket.org/fivefilters/php-readability).
 
 ## Differences
 

composer.json

@@ -24,15 +24,18 @@
         "role": "Developer (original JS version)"
     }],
     "require": {
-        "php": ">=5.6.0",
+        "php": ">=7.4.0",
         "ext-mbstring": "*",
-        "psr/log": "^1.0",
+        "psr/log": "^1.0.1 || ^2.0 || ^3.0",
         "masterminds/html5": "^2.7"
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "^2.14",
+        "friendsofphp/php-cs-fixer": "3.95.24",
         "monolog/monolog": "^1.24|^2.1",
-        "symfony/phpunit-bridge": "^4.2.3"
+        "symfony/phpunit-bridge": "^4.4|^5.3|^6.0|^7.0",
+        "phpstan/phpstan": "2.2.12",
+        "phpstan/phpstan-phpunit": "2.0.18",
+        "rector/rector": "2.6.3"
     },
     "suggest": {
         "ext-tidy": "Used to clean up given HTML and to avoid problems with bad HTML structure."
@@ -42,5 +45,14 @@
     },
     "autoload-dev": {
         "psr-4": { "Tests\\Readability\\": "tests/" }
+    },
+    "config": {
+        "lock": false
+    },
+    "scripts": {
+        "fix": "php-cs-fixer fix --verbose --diff",
+        "phpstan": "phpstan analyze --memory-limit 512M",
+        "rector": "rector process",
+        "test": "simple-phpunit -v"
     }
 }

phpstan.dist.neon

@@ -6,7 +6,7 @@ parameters:
 
     # https://github.com/phpstan/phpstan/issues/694#issuecomment-350724288
     bootstrapFiles:
-        - vendor/bin/.phpunit/phpunit-7.5-0/vendor/autoload.php
+        - vendor/bin/.phpunit/phpunit/vendor/autoload.php
 
 includes:
     - vendor/phpstan/phpstan-phpunit/extension.neon

phpunit.xml.dist

@@ -11,7 +11,7 @@
     >
 
     <testsuites>
-        <testsuite name="Readability Test Suite">
+        <testsuite name="Readability">
             <directory>./tests/</directory>
         </testsuite>
     </testsuites>

rector.php

@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use Rector\Set\ValueObject\LevelSetList;
+
+return RectorConfig::configure()
+    ->withPaths([
+        __DIR__ . '/src',
+        __DIR__ . '/tests',
+    ])
+    ->withBootstrapFiles([
+        __DIR__ . '/vendor/bin/.phpunit/phpunit/vendor/autoload.php',
+        __DIR__ . '/vendor/autoload.php',
+    ])
+    ->withSets([LevelSetList::UP_TO_PHP_74])
+;

src/JSLikeHTMLElement.php

@@ -39,11 +39,11 @@ class JSLikeHTMLElement extends \DOMElement
     /**
      * Used for setting innerHTML like it's done in JavaScript:.
      *
-     * @code
+     * ```php
      * $div->innerHTML = '<h2>Chapter 2</h2><p>The story begins...</p>';
-     * @endcode
+     * ```
      */
-    public function __set($name, $value)
+    public function __set(string $name, string $value): void
     {
         if ('innerHTML' !== $name) {
             $trace = debug_backtrace();
@@ -79,14 +79,13 @@ class JSLikeHTMLElement extends \DOMElement
         } else {
             // $value is probably ill-formed
             $f = new \DOMDocument();
-            $value = mb_convert_encoding($value, 'HTML-ENTITIES', 'UTF-8');
 
             // Using <htmlfragment> will generate a warning, but so will bad HTML
             // (and by this point, bad HTML is what we've got).
             // We use it (and suppress the warning) because an HTML fragment will
             // be wrapped around <html><body> tags which we don't really want to keep.
             // Note: despite the warning, if loadHTML succeeds it will return true.
-            $result = $f->loadHTML('<htmlfragment>' . $value . '</htmlfragment>');
+            $result = $f->loadHTML('<meta charset="utf-8"><htmlfragment>' . $value . '</htmlfragment>');
 
             if ($result) {
                 $import = $f->getElementsByTagName('htmlfragment')->item(0);
@@ -105,11 +104,11 @@ class JSLikeHTMLElement extends \DOMElement
     /**
      * Used for getting innerHTML like it's done in JavaScript:.
      *
-     * @code
+     * ```php
      * $string = $div->innerHTML;
-     * @endcode
+     * ```
      */
-    public function __get($name)
+    public function __get(string $name): string
     {
         if ('innerHTML' === $name) {
             $inner = '';
@@ -125,20 +124,22 @@ class JSLikeHTMLElement extends \DOMElement
 
         $trace = debug_backtrace();
         trigger_error('Undefined property via __get(): ' . $name . ' in ' . $trace[0]['file'] . ' on line ' . $trace[0]['line'], \E_USER_NOTICE);
+
+        return '';
     }
 
-    public function __toString()
+    public function __toString(): string
     {
         return '[' . $this->tagName . ']';
     }
 
-    public function getInnerHtml()
+    public function getInnerHtml(): string
     {
         return $this->__get('innerHTML');
     }
 
-    public function setInnerHtml($value)
+    public function setInnerHtml(string $value): void
     {
-        return $this->__set('innerHTML', $value);
+        $this->__set('innerHTML', $value);
     }
 }

tests/ReadabilityTest.php

@@ -4,338 +4,331 @@ namespace Tests\Readability;
 
 use Monolog\Handler\TestHandler;
 use Monolog\Logger;
+use Psr\Log\LoggerInterface;
+use Readability\JSLikeHTMLElement;
 use Readability\Readability;
 
 class ReadabilityTest extends \PHPUnit\Framework\TestCase
 {
+    /** @var TestHandler */
     public $logHandler;
+    /** @var LoggerInterface */
     public $logger;
 
     /**
      * @requires extension tidy
      */
-    public function testConstructDefault()
+    public function testConstructDefault(): void
     {
         $readability = $this->getReadability('');
+        $this->assertSame('utf8', $readability->tidy_config['input-encoding']);
+        $readability->init();
 
         $this->assertNull($readability->url);
-        $this->assertInstanceOf('DomDocument', $readability->dom);
+        $this->assertInstanceOf(\DOMDocument::class, $readability->dom);
     }
 
-    public function testConstructHtml5Parser()
+    public function testConstructHtml5Parser(): void
     {
         $readability = $this->getReadability('<html/>', 'http://0.0.0.0', 'html5lib');
+        $readability->init();
 
-        $this->assertEquals('http://0.0.0.0', $readability->url);
+        $this->assertSame('http://0.0.0.0', $readability->url);
-        $this->assertInstanceOf('DomDocument', $readability->dom);
+        $this->assertInstanceOf(\DOMDocument::class, $readability->dom);
-        $this->assertEquals('<html/>', $readability->original_html);
+        $this->assertSame('<html/>', $readability->original_html);
     }
 
     /**
      * @requires extension tidy
      */
-    public function testConstructSimple()
+    public function testConstructSimple(): void
     {
         $readability = $this->getReadability('<html/>', 'http://0.0.0.0');
+        $readability->init();
 
-        $this->assertEquals('http://0.0.0.0', $readability->url);
+        $this->assertSame('http://0.0.0.0', $readability->url);
-        $this->assertInstanceOf('DomDocument', $readability->dom);
+        $this->assertInstanceOf(\DOMDocument::class, $readability->dom);
-        $this->assertEquals('<html/>', $readability->original_html);
+        $this->assertSame('<html/>', $readability->original_html);
         $this->assertTrue($readability->tidied);
     }
 
-    public function testConstructDefaultWithoutTidy()
+    public function testConstructDefaultWithoutTidy(): void
     {
         $readability = $this->getReadability('', null, 'libxml', false);
+        $readability->init();
 
         $this->assertNull($readability->url);
-        $this->assertEquals('', $readability->original_html);
+        $this->assertSame('', $readability->original_html);
         $this->assertFalse($readability->tidied);
 
-        $this->assertInstanceOf('DomDocument', $readability->dom);
+        $this->assertInstanceOf(\DOMDocument::class, $readability->dom);
     }
 
-    public function testConstructSimpleWithoutTidy()
+    public function testConstructSimpleWithoutTidy(): void
     {
         $readability = $this->getReadability('<html/>', 'http://0.0.0.0', 'libxml', false);
+        $readability->init();
 
-        $this->assertEquals('http://0.0.0.0', $readability->url);
+        $this->assertSame('http://0.0.0.0', $readability->url);
-        $this->assertInstanceOf('DomDocument', $readability->dom);
+        $this->assertInstanceOf(\DOMDocument::class, $readability->dom);
-        $this->assertEquals('<html/>', $readability->original_html);
+        $this->assertSame('<html/>', $readability->original_html);
         $this->assertFalse($readability->tidied);
     }
 
-    public function testInitNoContent()
+    public function testInitNoContent(): void
     {
         $readability = $this->getReadability('<html/>', 'http://0.0.0.0');
         $res = $readability->init();
 
         $this->assertFalse($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
         $this->assertEmpty($readability->getTitle()->getInnerHtml());
-        $this->assertContains('Sorry, Readability was unable to parse this page for content.', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('Sorry, Readability was unable to parse this page for content.', $readability->getContent()->getInnerHtml());
     }
 
-    public function testInitP()
+    public function testInitP(): void
     {
         $readability = $this->getReadability(str_repeat('<p>This is the awesome content :)</p>', 7), 'http://0.0.0.0');
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
-        $this->assertContains('<div readability=', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('<div readability=', $readability->getContent()->getInnerHtml());
         $this->assertEmpty($readability->getTitle()->getInnerHtml());
-        $this->assertContains('This is the awesome content :)', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This is the awesome content :)', $readability->getContent()->getInnerHtml());
     }
 
-    public function testInitDivP()
+    public function testInitDivP(): void
     {
         $readability = $this->getReadability('<div>' . str_repeat('<p>This is the awesome content :)</p>', 7) . '</div>', 'http://0.0.0.0');
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
-        $this->assertContains('<div readability=', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('<div readability=', $readability->getContent()->getInnerHtml());
         $this->assertEmpty($readability->getTitle()->getInnerHtml());
-        $this->assertContains('This is the awesome content :)', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This is the awesome content :)', $readability->getContent()->getInnerHtml());
     }
 
-    public function testInitDiv()
+    public function testInitDiv(): void
     {
         $readability = $this->getReadability('<div>' . str_repeat('This is the awesome content :)', 7) . '</div>', 'http://0.0.0.0');
-        $readability->debug = true;
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
-        $this->assertContains('<div readability=', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('<div readability=', $readability->getContent()->getInnerHtml());
         $this->assertEmpty($readability->getTitle()->getInnerHtml());
-        $this->assertContains('This is the awesome content :)', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This is the awesome content :)', $readability->getContent()->getInnerHtml());
     }
 
-    public function testWithFootnotes()
+    public function testWithFootnotes(): void
     {
         $readability = $this->getReadability('<div>' . str_repeat('<p>This is an awesome text with some links, here there are: <a href="http://0.0.0.0/test.html">the awesome</a></p>', 7) . '</div>', 'http://0.0.0.0');
-        $readability->debug = true;
         $readability->convertLinksToFootnotes = true;
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
-        $this->assertContains('<div readability=', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('<div readability=', $readability->getContent()->getInnerHtml());
         $this->assertEmpty($readability->getTitle()->getInnerHtml());
-        $this->assertContains('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
-        $this->assertContains('readabilityFootnoteLink', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('readabilityFootnoteLink', $readability->getContent()->getInnerHtml());
-        $this->assertContains('readabilityLink-3', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('readabilityLink-3', $readability->getContent()->getInnerHtml());
     }
 
-    public function testStandardClean()
+    public function testStandardClean(): void
     {
         $readability = $this->getReadability('<div><h2>Title</h2>' . str_repeat('<p>This is an awesome text with some links, here there are: <a href="http://0.0.0.0/test.html">the awesome</a></p>', 7) . '<a href="#nofollow" rel="nofollow">will NOT be removed</a></div>', 'http://0.0.0.0');
-        $readability->debug = true;
         $readability->lightClean = false;
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
-        $this->assertContains('<div readability=', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('<div readability=', $readability->getContent()->getInnerHtml());
         $this->assertEmpty($readability->getTitle()->getInnerHtml());
-        $this->assertContains('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
-        $this->assertContains('will NOT be removed', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('will NOT be removed', $readability->getContent()->getInnerHtml());
-        $this->assertNotContains('<h2>', $readability->getContent()->getInnerHtml());
+        $this->assertStringNotContainsString('<h2>', $readability->getContent()->getInnerHtml());
     }
 
-    public function testWithIframe()
+    public function testWithIframe(): void
     {
         $readability = $this->getReadability('<div><h2>Title</h2>' . str_repeat('<p>This is an awesome text with some links, here there are: <a href="http://0.0.0.0/test.html">the awesome</a></p>', 7) . '<p>This is an awesome text with some links, here there are <iframe src="http://youtube.com/test" href="#nofollow" rel="nofollow"></iframe><iframe>http://soundcloud.com/test</iframe></p></div>', 'http://0.0.0.0');
-        $readability->debug = true;
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
-        $this->assertContains('<div readability=', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('<div readability=', $readability->getContent()->getInnerHtml());
         $this->assertEmpty($readability->getTitle()->getInnerHtml());
-        $this->assertContains('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
-        $this->assertContains('nofollow', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('nofollow', $readability->getContent()->getInnerHtml());
     }
 
-    public function testWithArticle()
+    public function testWithArticle(): void
     {
         $readability = $this->getReadability('<article><p>' . str_repeat('This is an awesome text with some links, here there are: the awesome', 20) . '</p><p>This is an awesome text with some links, here there are <iframe src="http://youtube.com/test" href="#nofollow" rel="nofollow"></iframe></p></article>', 'http://0.0.0.0');
-        $readability->debug = true;
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
-        $this->assertContains('alt="article"', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('alt="article"', $readability->getContent()->getInnerHtml());
         $this->assertEmpty($readability->getTitle()->getInnerHtml());
-        $this->assertContains('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
-        $this->assertContains('nofollow', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('nofollow', $readability->getContent()->getInnerHtml());
     }
 
-    public function testWithAside()
+    public function testWithAside(): void
     {
         $readability = $this->getReadability('<article>' . str_repeat('<p>This is an awesome text with some links, here there are: <a href="http://0.0.0.0/test.html">the awesome</a></p>', 7) . '<footer><aside>' . str_repeat('<p>This is an awesome text with some links, here there are</p>', 8) . '</aside></footer></article>', 'http://0.0.0.0');
-        $readability->debug = true;
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
         $this->assertEmpty($readability->getTitle()->getInnerHtml());
-        $this->assertContains('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
-        $this->assertNotContains('<aside>', $readability->getContent()->getInnerHtml());
+        $this->assertStringNotContainsString('<aside>', $readability->getContent()->getInnerHtml());
-        $this->assertContains('<footer readability="5"/>', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('<footer readability="9"/>', $readability->getContent()->getInnerHtml());
     }
 
-    public function testWithClasses()
+    public function testWithClasses(): void
     {
         $readability = $this->getReadability('<article>' . str_repeat('<p>This is an awesome text with some links, here there are: <a href="http://0.0.0.0/test.html">the awesome</a></p>', 7) . '<div style="display:none">' . str_repeat('<p class="clock">This text should be removed</p>', 10) . '</div></article>', 'http://0.0.0.0');
-        $readability->debug = true;
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
-        $this->assertContains('alt="article"', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('alt="article"', $readability->getContent()->getInnerHtml());
         $this->assertEmpty($readability->getTitle()->getInnerHtml());
-        $this->assertContains('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
-        $this->assertNotContains('This text should be removed', $readability->getContent()->getInnerHtml());
+        $this->assertStringNotContainsString('This text should be removed', $readability->getContent()->getInnerHtml());
     }
 
-    public function testWithClassesWithoutLightClean()
+    public function testWithClassesWithoutLightClean(): void
     {
         $readability = $this->getReadability('<article>' . str_repeat('<p>This is an awesome text with some links, here there are: <a href="http://0.0.0.0/test.html">the awesome</a></p>', 7) . '<div style="display:none">' . str_repeat('<p class="clock">This text should be removed</p>', 10) . '</div></article>', 'http://0.0.0.0');
-        $readability->debug = true;
         $readability->lightClean = false;
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
-        $this->assertContains('alt="article"', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('alt="article"', $readability->getContent()->getInnerHtml());
         $this->assertEmpty($readability->getTitle()->getInnerHtml());
-        $this->assertContains('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
-        $this->assertNotContains('This text should be removed', $readability->getContent()->getInnerHtml());
+        $this->assertStringNotContainsString('This text should be removed', $readability->getContent()->getInnerHtml());
     }
 
-    public function testWithTd()
+    public function testWithTd(): void
     {
         $readability = $this->getReadability('<table><tr>' . str_repeat('<td><p>This is an awesome text with some links, here there are the awesome</td>', 7) . '</tr></table>', 'http://0.0.0.0');
-        $readability->debug = true;
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
         $this->assertEmpty($readability->getTitle()->getInnerHtml());
-        $this->assertContains('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
     }
 
-    public function testWithSameClasses()
+    public function testWithSameClasses(): void
     {
         $readability = $this->getReadability('<article class="awesomecontent">' . str_repeat('<p>This is an awesome text with some links, here there are the awesome</p>', 7) . '<div class="awesomecontent">This text is also an awesome text and you should know that !</div></article>', 'http://0.0.0.0');
-        $readability->debug = true;
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
         $this->assertEmpty($readability->getTitle()->getInnerHtml());
-        $this->assertContains('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
-        $this->assertContains('This text is also an awesome text and you should know that', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This text is also an awesome text and you should know that', $readability->getContent()->getInnerHtml());
     }
 
-    public function testWithScript()
+    public function testWithScript(): void
     {
         $readability = $this->getReadability('<article class="awesomecontent">' . str_repeat('<p>This is an awesome text with some links, here there are the awesome</p>', 7) . '<p><script>This text is also an awesome text and you should know that !</script></p></article>', 'http://0.0.0.0');
-        $readability->debug = true;
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
         $this->assertEmpty($readability->getTitle()->getInnerHtml());
-        $this->assertContains('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
-        $this->assertNotContains('This text is also an awesome text and you should know that', $readability->getContent()->getInnerHtml());
+        $this->assertStringNotContainsString('This text is also an awesome text and you should know that', $readability->getContent()->getInnerHtml());
     }
 
-    public function testTitle()
+    public function testTitle(): void
     {
         $readability = $this->getReadability('<title>this is my title</title><article class="awesomecontent">' . str_repeat('<p>This is an awesome text with some links, here there are the awesome</p>', 7) . '<p></p></article>', 'http://0.0.0.0');
-        $readability->debug = true;
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
-        $this->assertEquals('this is my title', $readability->getTitle()->getInnerHtml());
+        $this->assertSame('this is my title', $readability->getTitle()->getInnerHtml());
-        $this->assertContains('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
-        $this->assertNotContains('This text is also an awesome text and you should know that', $readability->getContent()->getInnerHtml());
+        $this->assertStringNotContainsString('This text is also an awesome text and you should know that', $readability->getContent()->getInnerHtml());
     }
 
-    public function testTitleWithDash()
+    public function testTitleWithDash(): void
     {
         $readability = $this->getReadability('<title> title2 - title3 </title><article class="awesomecontent">' . str_repeat('<p>This is an awesome text with some links, here there are the awesome</p>', 7) . '<p></p></article>', 'http://0.0.0.0');
-        $readability->debug = true;
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
-        $this->assertEquals('title2 - title3', $readability->getTitle()->getInnerHtml());
+        $this->assertSame('title2 - title3', $readability->getTitle()->getInnerHtml());
-        $this->assertContains('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
-        $this->assertNotContains('This text is also an awesome text and you should know that', $readability->getContent()->getInnerHtml());
+        $this->assertStringNotContainsString('This text is also an awesome text and you should know that', $readability->getContent()->getInnerHtml());
     }
 
-    public function testTitleWithDoubleDot()
+    public function testTitleWithDoubleDot(): void
     {
         $readability = $this->getReadability('<title> title2 : title3 </title><article class="awesomecontent">' . str_repeat('<p>This is an awesome text with some links, here there are the awesome</p>', 7) . '<p></p></article>', 'http://0.0.0.0');
-        $readability->debug = true;
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
-        $this->assertEquals('title2 : title3', $readability->getTitle()->getInnerHtml());
+        $this->assertSame('title2 : title3', $readability->getTitle()->getInnerHtml());
-        $this->assertContains('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
-        $this->assertNotContains('This text is also an awesome text and you should know that', $readability->getContent()->getInnerHtml());
+        $this->assertStringNotContainsString('This text is also an awesome text and you should know that', $readability->getContent()->getInnerHtml());
     }
 
-    public function testTitleTooShortUseH1()
+    public function testTitleTooShortUseH1(): void
     {
         $readability = $this->getReadability('<title>too short</title><h1>this is my h1 title !</h1><article class="awesomecontent">' . str_repeat('<p>This is an awesome text with some links, here there are the awesome</p>', 7) . '<p></p></article>', 'http://0.0.0.0');
-        $readability->debug = true;
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
-        $this->assertEquals('this is my h1 title !', $readability->getTitle()->getInnerHtml());
+        $this->assertSame('this is my h1 title !', $readability->getTitle()->getInnerHtml());
-        $this->assertContains('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This is an awesome text with some links, here there are', $readability->getContent()->getInnerHtml());
-        $this->assertNotContains('This text is also an awesome text and you should know that', $readability->getContent()->getInnerHtml());
+        $this->assertStringNotContainsString('This text is also an awesome text and you should know that', $readability->getContent()->getInnerHtml());
     }
 
+    public function testAutoClosingIframeNotThrowingException(): void
+    {
+        $oldErrorReporting = error_reporting(\E_ALL);
+        $oldDisplayErrors = ini_set('display_errors', '1');
         // dummy function to be used to the next test
-    public function error2Exception($code, $string, $file, $line, $context)
+        set_error_handler(static function (int $errno, string $errstr, string $errfile, int $errline) {
-    {
+            throw new \Exception($errstr, $errno);
-        throw new \Exception($string, $code);
+        });
-    }
-
-    public function testAutoClosingIframeNotThrowingException()
-    {
-        error_reporting(\E_ALL | \E_STRICT);
-        ini_set('display_errors', true);
-        set_error_handler([$this, 'error2Exception'], \E_ALL | \E_STRICT);
 
+        try {
             $data = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
                 <html xmlns="http://www.w3.org/1999/xhtml" lang="ru-RU" prefix="og: http://ogp.me/ns#">
 
@@ -362,21 +355,27 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
                 </html>';
 
             $readability = $this->getReadability($data, 'http://iosgames.ru/?p=22030');
-        $readability->debug = true;
 
             $res = $readability->init();
 
             $this->assertTrue($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+            $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+            $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
-        $this->assertContains('<iframe src="https://www.youtube.com/embed/PUep6xNeKjA" width="560" height="315" frameborder="0" allowfullscreen="allowfullscreen"> </iframe>', $readability->getContent()->getInnerHtml());
+            $this->assertStringContainsString('<iframe src="https://www.youtube.com/embed/PUep6xNeKjA" width="560" height="315" frameborder="0" allowfullscreen="allowfullscreen"> </iframe>', $readability->getContent()->getInnerHtml());
-        $this->assertContains('3D Touch', $readability->getTitle()->getInnerHtml());
+            $this->assertStringContainsString('3D Touch', $readability->getTitle()->getInnerHtml());
+        } finally {
+            restore_error_handler();
+            if (false !== $oldDisplayErrors) {
+                ini_set('display_errors', $oldDisplayErrors);
+            }
+            error_reporting($oldErrorReporting);
+        }
     }
 
     /**
      * This should generate an Exception "DOMElement::setAttribute(): ID post-60 already defined".
      */
-    public function testAppendIdAlreadyHere()
+    public function testAppendIdAlreadyHere(): void
     {
         $data = '<!DOCTYPE html>
             <html lang="fr">
@@ -423,16 +422,15 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
             </html>';
 
         $readability = $this->getReadability($data, 'http://0.0.0.0');
-        $readability->debug = true;
 
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
-        $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getTitle());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
     }
 
-    public function testPostFilters()
+    public function testPostFilters(): void
     {
         $readability = $this->getReadability('<div>' . str_repeat('<p>This <strong>is</strong> the awesome content :)</p>', 10) . '</div>', 'http://0.0.0.0');
         $readability->addPostFilter('!<strong[^>]*>(.*?)</strong>!is', '');
@@ -440,63 +438,213 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertContains('This  the awesome content :)', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This  the awesome content :)', $readability->getContent()->getInnerHtml());
     }
 
-    public function testPreFilters()
+    public function testPreFilters(): void
     {
-        $this->markTestSkipped('Won\'t work until loadHtml() is moved in init() instead of __construct()');
-
         $readability = $this->getReadability('<div>' . str_repeat('<p>This <b>is</b> the awesome and WONDERFUL content :)</p>', 7) . '</div>', 'http://0.0.0.0');
         $readability->addPreFilter('!<b[^>]*>(.*?)</b>!is', '');
 
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertContains('This the awesome and WONDERFUL content :)', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('This the awesome and WONDERFUL content :)', $readability->getContent()->getInnerHtml());
     }
 
-    public function testChildNodeGoneNull()
+    public function testChildNodeGoneNull(): void
     {
         // from http://www.ayyaantuu.net/ethiopia-targets-opposition-lawmakers/
-        $html = file_get_contents('tests/fixtures/childNodeGoesNull.html');
+        $html = (string) file_get_contents('tests/fixtures/childNodeGoesNull.html');
 
         $readability = $this->getReadability($html, 'http://0.0.0.0');
-        $readability->debug = true;
         $readability->convertLinksToFootnotes = true;
         $res = $readability->init();
 
         $this->assertTrue($res);
     }
 
-    public function testKeepFootnotes()
+    public function dataForHasSingleTagInsideElement(): array
     {
-        // from https://www.schreibdichte.de/blog/feed-aggregator-und-spaeter-lesen-dienst-im-team
+        return [
-        $html = file_get_contents('tests/fixtures/keepFootnotes.html');
+            'single matching tag, no other content' => [
-
+                '<div><p>Some text</p></div>', 'p', true,
-        $readability = $this->getReadability($html, 'http://0.0.0.0');
+            ],
-        $readability->debug = true;
+            'single matching tag with comment' => [
-        $res = $readability->init();
+                '<div><!-- comment --><p>Some text</p></div>', 'p', true,
-
+            ],
-        $this->assertTrue($res);
+            'whitespace-only text around single matching tag' => [
-        $this->assertContains('<sup id="fnref1:fnfeed_2"><a href="#fn:fnfeed_2" class="footnote-ref">2</a></sup>', $readability->getContent()->getInnerHtml());
+                '<div>   <p>Some text</p>   </div>', 'p', true,
-        $this->assertContains('<a href="#fnref1:fnfeed_2" rev="footnote"', $readability->getContent()->getInnerHtml());
+            ],
+            'two matching tags' => [
+                '<div><p>One</p><p>Two</p></div>', 'p', false,
+            ],
+            'non-whitespace text alongside the single tag' => [
+                '<div>Some text<p>One</p></div>', 'p', false,
+            ],
+            'single tag with a different name' => [
+                '<div><span>One</span></div>', 'p', false,
+            ],
+        ];
     }
 
-    public function testWithWipedBody()
+    /**
+     * @dataProvider dataForHasSingleTagInsideElement
+     */
+    public function testHasSingleTagInsideElement(string $html, string $tag, bool $expected): void
     {
-        // from https://www.cs.cmu.edu/~rgs/alice-table.html
+        $dom = new \DOMDocument();
-        $html = file_get_contents('tests/fixtures/wipedBody.html');
+        $dom->loadHTML('<html><body>' . $html . '</body></html>');
+        $node = $dom->getElementsByTagName('div')->item(0);
+
+        $readability = $this->getReadability('', '', 'libxml', false);
+
+        $method = new \ReflectionMethod($readability, 'hasSingleTagInsideElement');
+        if (\PHP_VERSION_ID < 80100) {
+            $method->setAccessible(true);
+        }
+
+        $this->assertSame($expected, $method->invoke($readability, $node, $tag));
+    }
+
+    public function testDivToPElementWithComment(): void
+    {
+        $text = str_repeat('Padded real article text to reach decent length for content scoring threshold here. ', 8);
+        $html = '<div><!-- comment --><code>some code snippet</code> ' . $text . '</div>';
 
         $readability = $this->getReadability($html, 'http://0.0.0.0', 'libxml', false);
-        $readability->debug = true;
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertContains('<a href="alice-I.html">Down the Rabbit-Hole</a>', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('some code snippet', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('Padded real article text', $readability->getContent()->getInnerHtml());
     }
 
-    private function getReadability($html, $url = null, $parser = 'libxml', $useTidy = true)
+    public function testKeepFootnotes(): void
+    {
+        // from https://www.schreibdichte.de/blog/feed-aggregator-und-spaeter-lesen-dienst-im-team
+        $html = (string) file_get_contents('tests/fixtures/keepFootnotes.html');
+
+        $readability = $this->getReadability($html, 'http://0.0.0.0');
+        $res = $readability->init();
+
+        $this->assertTrue($res);
+        $this->assertStringContainsString('<sup id="fnref1:fnfeed_2"><a href="#fn:fnfeed_2" class="footnote-ref">2</a></sup>', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('<a href="#fnref1:fnfeed_2" rev="footnote"', $readability->getContent()->getInnerHtml());
+    }
+
+    public function testWithWipedBody(): void
+    {
+        // from https://www.cs.cmu.edu/~rgs/alice-table.html
+        $html = (string) file_get_contents('tests/fixtures/wipedBody.html');
+
+        $readability = $this->getReadability($html, 'http://0.0.0.0', 'libxml', false);
+        $res = $readability->init();
+
+        $this->assertTrue($res);
+        $this->assertStringContainsString('<a href="alice-I.html">Down the Rabbit-Hole</a>', $readability->getContent()->getInnerHtml());
+    }
+
+    public function dataForVisibleNode(): array
+    {
+        return [
+            'visible node' => [
+                '<div>' . str_repeat('<p>This <b>is</b> the awesome and WONDERFUL content :)</p>', 7) . '</div>',
+                true,
+            ],
+            'display=none' => [
+                '<div style="display:none;">' . str_repeat('<p>This <b>is</b> the awesome and WONDERFUL content :)</p>', 7) . '</div>',
+                false,
+            ],
+            'display=inline' => [
+                '<div style="display:inline;">' . str_repeat('<p>This <b>is</b> the awesome and WONDERFUL content :)</p>', 7) . '</div>',
+                true,
+            ],
+            'hidden attribute' => [
+                '<div hidden>' . str_repeat('<p>This <b>is</b> the awesome and WONDERFUL content :)</p>', 7) . '</div>',
+                false,
+            ],
+            'missing display' => [
+                '<div style="color:#ccc;">' . str_repeat('<p>This <b>is</b> the awesome and WONDERFUL content :)</p>', 7) . '</div>',
+                true,
+            ],
+        ];
+    }
+
+    /**
+     * @dataProvider dataForVisibleNode
+     */
+    public function testVisibleNode(string $content, bool $shouldBeVisible): void
+    {
+        $readability = $this->getReadability($content, 'http://0.0.0.0');
+        $res = $readability->init();
+
+        if ($shouldBeVisible) {
+            $this->assertStringContainsString('WONDERFUL content', $readability->getContent()->getInnerHtml());
+        } else {
+            $this->assertStringNotContainsString('WONDERFUL content', $readability->getContent()->getInnerHtml());
+        }
+    }
+
+    // https://github.com/wallabag/wallabag/issues/8158
+    public function testCharsetAfterTitle(): void
+    {
+        $readability = $this->getReadability('<!DOCTYPE html><html lang="et"><head><title>Tõde ja õigus I</title> <meta charset="utf-8"></head><body><p>See oli läinud aastasaja kolmanda veerandi lõpul. Päike lähenes silmapiirile, seistes sedavõrd madalas, et enam ei ulatunud valgustama ei mäkke ronivat hobust, kes puutelgedega vankrit vedas, ei vankril istuvat noort naist ega ka ligi kolmekümnelist meest, kes kõndis vankri kõrval.</p></body></html>', 'https://et.wikisource.org/wiki/T%C3%B5de_ja_%C3%B5igus_I/I');
+        $readability->convertLinksToFootnotes = true;
+        $res = $readability->init();
+
+        $this->assertTrue($res);
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getTitle());
+        $this->assertSame('Tõde ja õigus I', $readability->getTitle()->getInnerHtml());
+        $this->assertStringContainsString('Päike lähenes', $readability->getContent()->getInnerHtml());
+    }
+
+    /**
+     * @return array<string, array{0: string, 1: string, 2?: bool}>
+     */
+    public function dataForHtmlLang(): array
+    {
+        return [
+            'meta' => [
+                '<html lang="fr"><head><meta charset="utf-8"></head><body><article>' . str_repeat('<p>Tous les êtres humains naissent libres et égaux en dignité et en droits. Ils sont doués de raison et de conscience et doivent agir les uns envers les autres dans un esprit de fraternité.</p>', 7) . '</article></body></html>',
+                'fr',
+            ],
+            'head' => [
+                '<html lang="fr"><head><title>Foo</title></head><body><article>' . str_repeat('<p>Tous les êtres humains naissent libres et égaux en dignité et en droits. Ils sont doués de raison et de conscience et doivent agir les uns envers les autres dans un esprit de fraternité.</p>', 7) . '</article></body></html>',
+                'fr',
+            ],
+            'headless' => [
+                '<html lang="fr"><body><article>' . str_repeat('<p>Tous les êtres humains naissent libres et égaux en dignité et en droits. Ils sont doués de raison et de conscience et doivent agir les uns envers les autres dans un esprit de fraternité.</p>', 7) . '</article></body></html>',
+                'fr',
+                // tidy would add <head> tag.
+                false,
+            ],
+            'fragment' => [
+                '<article>' . str_repeat('<p>Tous les êtres humains naissent libres et égaux en dignité et en droits. Ils sont doués de raison et de conscience et doivent agir les uns envers les autres dans un esprit de fraternité.</p>', 7) . '</article>',
+                '',
+                // tidy would add <html>.
+                false,
+            ],
+        ];
+    }
+
+    /**
+     * @dataProvider dataForHtmlLang
+     */
+    public function testHtmlLang(string $html, string $lang, bool $useTidy = true): void
+    {
+        $readability = $this->getReadability($html, 'http://0.0.0.0', 'libxml', $useTidy);
+        $res = $readability->init();
+
+        $this->assertTrue($res);
+        $this->assertInstanceOf(\DOMDocument::class, $readability->dom);
+        $this->assertSame($lang, $readability->dom->documentElement->getAttribute('lang'));
+        $this->assertInstanceOf(JSLikeHTMLElement::class, $readability->getContent());
+        $this->assertStringContainsString('êtres', $readability->getContent()->getInnerHtml());
+    }
+
+    private function getReadability(string $html, ?string $url = null, string $parser = 'libxml', bool $useTidy = true): Readability
     {
         $readability = new Readability($html, $url, $parser, $useTidy);