Merge pull request #98 from jtojnar/backports

[1.x] Backport fixes

.editorconfig

@@ -4,9 +4,10 @@ root = true
 ; Unix-style newlines
 [*]
 end_of_line = LF
-
-[*.php]
 indent_style = space
 indent_size = 4
 trim_trailing_whitespace = true
 insert_final_newline = true
+
+[.github/**.yml]
+indent_size = 2

.gitattributes

@@ -4,7 +4,7 @@
 /.scrutinizer.yml export-ignore
 /.travis.yml export-ignore
 /.php_cs export-ignore
-/README.md export-ignore
 /phpunit.xml.dist export-ignore
-/tests export-ignore
 /phpstan.neon export-ignore
+/.github export-ignore
+/tests export-ignore

.github/FUNDING.yml

@@ -0,0 +1 @@
+github: j0k3r

.github/workflows/coding-standards.yml

@@ -0,0 +1,55 @@
+name: "CS"
+
+on:
+  pull_request:
+    branches:
+      - master
+      - 1.x
+  push:
+    branches:
+      - master
+      - 1.x
+
+env:
+  SYMFONY_PHPUNIT_VERSION: 7.5
+
+jobs:
+  coding-standards:
+    name: "CS Fixer & PHPStan"
+    runs-on: "ubuntu-22.04"
+
+    strategy:
+      matrix:
+        php:
+          - "7.4"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v4"
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          coverage: "none"
+          php-version: "${{ matrix.php }}"
+          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@v3"
+        with:
+          composer-options: "--optimize-autoloader --prefer-dist"
+
+      - name: "Run PHP CS Fixer"
+        run: "php vendor/bin/php-cs-fixer fix --verbose --dry-run --format=checkstyle | cs2pr"
+
+      - name: "Install PHPUnit for PHPStan"
+        run: "php vendor/bin/simple-phpunit install"
+
+      - name: "Run PHPStan"
+        run: "php vendor/bin/phpstan analyse --error-format=checkstyle | cs2pr"

.github/workflows/continuous-integration.yml

@@ -0,0 +1,197 @@
+name: "CI"
+
+on:
+  pull_request:
+    branches:
+      - "master"
+      - "1.x"
+  push:
+    branches:
+      - "master"
+      - "1.x"
+
+env:
+  fail-fast: true
+
+jobs:
+  phpunit:
+    name: "PHPUnit (PHP ${{ matrix.php }})"
+    runs-on: "ubuntu-22.04"
+
+    strategy:
+      matrix:
+        php:
+          - "5.6"
+          - "7.0"
+          - "7.1"
+          - "7.2"
+          - "7.3"
+          - "7.4"
+          - "8.0"
+          - "8.1"
+          - "8.2"
+          - "8.3"
+          - "8.4"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v4"
+        with:
+          fetch-depth: 2
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "${{ 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"
+
+      - name: "Setup logs"
+        run: "mkdir -p build/logs"
+
+      - name: "Run PHPUnit"
+        run: "php vendor/bin/simple-phpunit -v"
+
+  phpunit-coverage:
+    name: "PHPUnit coverage (PHP ${{ matrix.php }})"
+    runs-on: "ubuntu-22.04"
+
+    strategy:
+      matrix:
+        php:
+          - "7.4"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v4"
+        with:
+          fetch-depth: 2
+
+      - name: "Install PHP with Xdebug"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "${{ matrix.php }}"
+          coverage: "xdebug"
+          tools: composer:v2
+          extensions: tidy
+          ini-values: "date.timezone=Europe/Paris"
+        env:
+          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/v2.4.2/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 ${{ matrix.php }})"
+    runs-on: "ubuntu-22.04"
+
+    strategy:
+      matrix:
+        php:
+          - "7.2"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v4"
+        with:
+          fetch-depth: 2
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "${{ 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"
+
+  phpunit-composerv2:
+    name: "PHPUnit with Composer v1 (PHP ${{ matrix.php }})"
+    runs-on: "ubuntu-20.04"
+
+    strategy:
+      matrix:
+        php:
+          - "7.4"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2"
+        with:
+          fetch-depth: 2
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "${{ matrix.php }}"
+          coverage: "none"
+          tools: composer:v1
+          extensions: tidy
+          ini-values: "date.timezone=Europe/Paris"
+        env:
+          COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: "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"

.gitignore

@@ -2,3 +2,5 @@ vendor/
 coverage/
 composer.lock
 .php_cs.cache
+.phpunit.result.cache
+phpstan.neon

.php-cs-fixer.php

@@ -1,6 +1,11 @@
 <?php
 
-return PhpCsFixer\Config::create()
+$finder = (new PhpCsFixer\Finder())
+    ->in(__DIR__)
+    ->exclude(['vendor', 'var', 'web'])
+;
+
+return (new PhpCsFixer\Config())
     ->setUsingCache(true)
     ->setRiskyAllowed(true)
     ->setRules([
@@ -9,7 +14,7 @@ return PhpCsFixer\Config::create()
         'array_syntax' => ['syntax' => 'short'],
         'combine_consecutive_unsets' => true,
         'heredoc_to_nowdoc' => true,
-        'no_extra_consecutive_blank_lines' => ['break', 'continue', 'extra', 'return', 'throw', 'use', 'parenthesis_brace_block', 'square_brace_block', 'curly_brace_block'],
+        'no_extra_blank_lines' => ['tokens' => ['break', 'continue', 'extra', 'return', 'throw', 'use', 'parenthesis_brace_block', 'square_brace_block', 'curly_brace_block']],
         'no_unreachable_default_argument_value' => true,
         'no_useless_else' => true,
         'no_useless_return' => true,
@@ -21,10 +26,10 @@ return PhpCsFixer\Config::create()
         'strict_comparison' => true,
         'strict_param' => true,
         'concat_space' => ['spacing' => 'one'],
+        // Pulled in by @Symfony, we cannot add property types until we bump PHP to ≥ 7.4
+        'no_null_property_initialization' => false,
+        // Pulled in by @Symfony with `const` but const visibility requires PHP ≥ 7.1
+        'visibility_required' => ['elements' => ['method', 'property']],
     ])
-    ->setFinder(
+    ->setFinder($finder)
-        PhpCsFixer\Finder::create()
-            ->exclude(['vendor'])
-            ->in(__DIR__)
-    )
 ;

.scrutinizer.yml

@@ -1,2 +1,12 @@
 tools:
     external_code_coverage: false
+
+build:
+    nodes:
+        analysis:
+            tests:
+                override:
+                    - php-scrutinizer-run
+            environment:
+                php:
+                    version: 7.2

.travis.yml

@@ -1,42 +0,0 @@
-language: php
-
-php:
-    - 5.6
-    - 7.0
-    - 7.1
-    - 7.2
-    - 7.3
-    - nightly
-
-matrix:
-    include:
-        - php: 7.2
-          env: CS_FIXER=run
-    fast_finish: true
-    allow_failures:
-        - php: nightly
-
-# cache vendor dirs
-cache:
-    directories:
-        - vendor
-        - $HOME/.composer/cache
-
-before_install:
-    - if [ -n "$GH_TOKEN" ]; then composer config github-oauth.github.com ${GH_TOKEN}; fi;
-
-install:
-    - composer self-update
-
-before_script:
-    - if [ "$CS_FIXER" = "run" ]; then composer require phpstan/phpstan phpstan/phpstan-phpunit --dev -n ; fi;
-    - composer install -o --prefer-dist --no-interaction
-
-script:
-    - mkdir -p build/logs
-    - php vendor/bin/simple-phpunit -v --coverage-clover build/logs/clover.xml
-    - if [ "$CS_FIXER" = "run" ]; then php vendor/bin/php-cs-fixer fix --verbose --dry-run ; fi;
-    - if [ "$CS_FIXER" = "run" ]; then php vendor/bin/phpstan analyse src tests --no-progress --level 1 ; fi;
-
-after_script:
-    - php vendor/bin/php-coveralls -v -x build/logs/clover.xml

README.md

@@ -1,6 +1,6 @@
 # Readability
 
-[![Build Status](https://travis-ci.org/j0k3r/php-readability.svg?branch=master)](https://travis-ci.org/j0k3r/php-readability)
+![CI](https://github.com/j0k3r/php-readability/workflows/CI/badge.svg)
 [![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)

composer.json

@@ -27,13 +27,12 @@
         "php": ">=5.6.0",
         "ext-mbstring": "*",
         "psr/log": "^1.0",
-        "electrolinux/php-html5lib": "^0.1.0"
+        "masterminds/html5": "^2.7"
     },
     "require-dev": {
-        "php-coveralls/php-coveralls": "^2.1",
         "friendsofphp/php-cs-fixer": "^2.14",
-        "monolog/monolog": "^1.24",
+        "monolog/monolog": "^1.24|^2.1",
-        "symfony/phpunit-bridge": "^4.2.3"
+        "symfony/phpunit-bridge": "^4.4|^5.3|^6.0|^7.0"
     },
     "suggest": {
         "ext-tidy": "Used to clean up given HTML and to avoid problems with bad HTML structure."
@@ -43,5 +42,10 @@
     },
     "autoload-dev": {
         "psr-4": { "Tests\\Readability\\": "tests/" }
+    },
+    "scripts": {
+        "fix": "php-cs-fixer fix --verbose --diff",
+        "phpstan": "phpstan analyze --memory-limit 512M",
+        "test": "simple-phpunit -v"
     }
 }

phpstan.dist.neon

@@ -1,8 +1,13 @@
+parameters:
+    level: 1
+    paths:
+        - src
+        - tests
+
+    # https://github.com/phpstan/phpstan/issues/694#issuecomment-350724288
+    bootstrapFiles:
+        - vendor/bin/.phpunit/phpunit/vendor/autoload.php
+
 includes:
     - vendor/phpstan/phpstan-phpunit/extension.neon
     - vendor/phpstan/phpstan-phpunit/rules.neon
-
-parameters:
-    # https://github.com/phpstan/phpstan/issues/694#issuecomment-350724288
-    autoload_files:
-        - vendor/bin/.phpunit/phpunit-6.5/vendor/autoload.php

phpunit.xml.dist

@@ -7,7 +7,6 @@
     convertWarningsToExceptions="true"
     processIsolation="false"
     stopOnFailure="false"
-    syntaxCheck="false"
     bootstrap="vendor/autoload.php"
     >
 
@@ -27,6 +26,6 @@
     </filter>
 
     <!-- <logging>
-        <log type="coverage-html" target="coverage" title="Readability" charset="UTF-8" yui="true" highlight="true" lowUpperBound="35" highLowerBound="70"/>
+        <log type="coverage-html" target="coverage" lowUpperBound="35" highLowerBound="70"/>
     </logging> -->
 </phpunit>

src/JSLikeHTMLElement.php

@@ -39,23 +39,25 @@ 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)
     {
         if ('innerHTML' !== $name) {
             $trace = debug_backtrace();
-            trigger_error('Undefined property via __set(): ' . $name . ' in ' . $trace[0]['file'] . ' on line ' . $trace[0]['line'], E_USER_NOTICE);
+            trigger_error('Undefined property via __set(): ' . $name . ' in ' . $trace[0]['file'] . ' on line ' . $trace[0]['line'], \E_USER_NOTICE);
 
             return;
         }
 
         // first, empty the element
+        if (isset($this->childNodes)) {
             for ($x = $this->childNodes->length - 1; $x >= 0; --$x) {
                 $this->removeChild($this->childNodes->item($x));
             }
+        }
 
         // $value holds our new inner HTML
         $value = trim($value);
@@ -77,14 +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);
@@ -103,24 +104,26 @@ class JSLikeHTMLElement extends \DOMElement
     /**
      * Used for getting innerHTML like it's done in JavaScript:.
      *
-     * @code
+     * ```php
      * $string = $div->innerHTML;
-     * @endcode
+     * ```
      */
     public function __get($name)
     {
         if ('innerHTML' === $name) {
             $inner = '';
 
+            if (isset($this->childNodes)) {
                 foreach ($this->childNodes as $child) {
                     $inner .= $this->ownerDocument->saveXML($child);
                 }
+            }
 
             return $inner;
         }
 
         $trace = debug_backtrace();
-        trigger_error('Undefined property via __get(): ' . $name . ' in ' . $trace[0]['file'] . ' on line ' . $trace[0]['line'], E_USER_NOTICE);
+        trigger_error('Undefined property via __get(): ' . $name . ' in ' . $trace[0]['file'] . ' on line ' . $trace[0]['line'], \E_USER_NOTICE);
     }
 
     public function __toString()

src/Readability.php

@@ -2,7 +2,7 @@
 
 namespace Readability;
 
-use HTML5Lib\Parser;
+use Masterminds\HTML5;
 use Psr\Log\LoggerAwareInterface;
 use Psr\Log\LoggerInterface;
 use Psr\Log\NullLogger;
@@ -61,7 +61,7 @@ class Readability implements LoggerAwareInterface
     // constants
     const SCORE_CHARS_IN_PARAGRAPH = 100;
     const SCORE_WORDS_IN_PARAGRAPH = 20;
-    const GRANDPARENT_SCORE_DIVISOR = 2.2;
+    const GRANDPARENT_SCORE_DIVISOR = 2;
     const MIN_PARAGRAPH_LENGTH = 20;
     const MIN_COMMAS_IN_PARAGRAPH = 6;
     const MIN_ARTICLE_LENGTH = 200;
@@ -92,10 +92,10 @@ class Readability implements LoggerAwareInterface
         'unlikelyCandidates' => '/display\s*:\s*none|ignore|\binfos?\b|annoy|clock|date|time|author|intro|hidd?e|about|archive|\bprint|bookmark|tags|tag-list|share|search|social|robot|published|combx|comment|mast(?:head)|subscri|community|category|disqus|extra|head|head(?:er|note)|floor|foot(?:er|note)|menu|tool\b|function|nav|remark|rss|shoutbox|widget|meta|banner|sponsor|adsense|inner-?ad|ad-|sponsor|\badv\b|\bads\b|agr?egate?|pager|sidebar|popup|tweet|twitter/i',
         'okMaybeItsACandidate' => '/article\b|contain|\bcontent|column|general|detail|shadow|lightbox|blog|body|entry|main|page|footnote/i',
         'positive' => '/read|full|article|body|\bcontent|contain|entry|main|markdown|media|page|attach|pagination|post|text|blog|story/i',
-        'negative' => '/bottom|stat|info|discuss|e[\-]?mail|comment|reply|log.{2}(n|ed)|sign|single|combx|com-|contact|_nav|link|media|\bout|promo|\bad-|related|scroll|shoutbox|sidebar|sponsor|shopping|teaser|recommend/i',
+        'negative' => '/bottom|stat|info|discuss|e[\-]?mail|comment|reply|log.{2}(n|ed)|sign|single|combx|com-|contact|_nav|link|media|promo|\bad-|related|scroll|shoutbox|sidebar|sponsor|shopping|teaser|recommend/i',
         'divToPElements' => '/<(?:blockquote|header|section|code|div|article|footer|aside|img|p|pre|dl|ol|ul)/mi',
         'killBreaks' => '/(<br\s*\/?>([ \r\n\s]|&nbsp;?)*)+/',
-        'media' => '!//(?:[^\.\?/]+\.)?(?:youtu(?:be)?|giphy|soundcloud|dailymotion|vimeo|pornhub|xvideos|twitvid|rutube|viddler)\.(?:com|be|org|net)/!i',
+        'media' => '!//(?:[^\.\?/]+\.)?(?:youtu(?:be)?|giphy|soundcloud|dailymotion|vimeo|pornhub|xvideos|twitvid|rutube|openload\.co|viddler)\.(?:com|be|org|net)/!i',
         'skipFootnoteLink' => '/^\s*(\[?[a-z0-9]{1,2}\]?|^|edit|citation needed)\s*$/i',
     ];
     public $tidy_config = [
@@ -116,7 +116,6 @@ class Readability implements LoggerAwareInterface
         'drop-empty-paras' => true,
         'drop-proprietary-attributes' => false,
         'enclose-text' => true,
-        'enclose-block-text' => true,
         'merge-divs' => true,
         // 'merge-spans' => true,
         'input-encoding' => '????',
@@ -138,10 +137,6 @@ class Readability implements LoggerAwareInterface
     protected $useTidy;
     // raw HTML filters
     protected $pre_filters = [
-        // remove obvious scripts
-        '!<script[^>]*>(.*?)</script>!is' => '',
-        // remove obvious styles
-        '!<style[^>]*>(.*?)</style>!is' => '',
         // remove spans as we redefine styles and they're probably special-styled
         '!</?span[^>]*>!is' => '',
         // HACK: firewall-filtered content
@@ -158,7 +153,7 @@ class Readability implements LoggerAwareInterface
         // replace excessive br's
         '/<br\s*\/?>\s*<p/i' => '<p',
         // replace empty tags that break layouts
-        '!<(?:a|div|p)[^>]+/>!is' => '',
+        '!<(?:a|div|p|figure)[^>]+/>!is' => '',
         // remove all attributes on text tags
         // '!<(\s*/?\s*(?:blockquote|br|hr|code|div|article|span|footer|aside|p|pre|dl|li|ul|ol)) [^>]+>!is' => "<\\1>",
         // single newlines cleanup
@@ -188,6 +183,9 @@ class Readability implements LoggerAwareInterface
         $this->loadHtml();
     }
 
+    /**
+     * @return void
+     */
     public function setLogger(LoggerInterface $logger)
     {
         $this->logger = $logger;
@@ -292,6 +290,11 @@ class Readability implements LoggerAwareInterface
         $innerDiv->appendChild($articleContent);
         $overlay->appendChild($innerDiv);
 
+        // without tidy the body can (sometimes) be wiped, so re-create it
+        if (false === isset($this->body->childNodes)) {
+            $this->body = $this->dom->createElement('body');
+        }
+
         // Clear the old HTML, insert the new content.
         $this->body->setInnerHtml('');
         $this->body->appendChild($overlay);
@@ -307,8 +310,6 @@ class Readability implements LoggerAwareInterface
 
     /**
      * Run any post-process modifications to article content as necessary.
-     *
-     * @param \DOMElement $articleContent
      */
     public function postProcessContent(\DOMElement $articleContent)
     {
@@ -321,8 +322,6 @@ class Readability implements LoggerAwareInterface
      * For easier reading, convert this document to have footnotes at the bottom rather than inline links.
      *
      * @see http://www.roughtype.com/archives/2010/05/experiments_in.php
-     *
-     * @param \DOMElement $articleContent
      */
     public function addFootnotes(\DOMElement $articleContent)
     {
@@ -340,9 +339,9 @@ class Readability implements LoggerAwareInterface
             $footnoteLink = $articleLink->cloneNode(true);
             $refLink = $this->dom->createElement('a');
             $footnote = $this->dom->createElement('li');
-            $linkDomain = @parse_url($footnoteLink->getAttribute('href'), PHP_URL_HOST);
+            $linkDomain = @parse_url($footnoteLink->getAttribute('href'), \PHP_URL_HOST);
             if (!$linkDomain && isset($this->url)) {
-                $linkDomain = @parse_url($this->url, PHP_URL_HOST);
+                $linkDomain = @parse_url($this->url, \PHP_URL_HOST);
             }
 
             $linkText = $this->getInnerText($articleLink);
@@ -367,7 +366,7 @@ class Readability implements LoggerAwareInterface
             $articleLink->setAttribute('style', 'color: inherit; text-decoration: none;');
             $articleLink->setAttribute('name', 'readabilityLink-' . $linkCount);
             $footnote->setInnerHtml('<small><sup><a href="#readabilityLink-' . $linkCount . '" title="Jump to Link in Article">^</a></sup></small> ');
-            $footnoteLink->setInnerHtml(('' !== $footnoteLink->getAttribute('title') ? $footnoteLink->getAttribute('title') : $linkText));
+            $footnoteLink->setInnerHtml('' !== $footnoteLink->getAttribute('title') ? $footnoteLink->getAttribute('title') : $linkText);
             $footnoteLink->setAttribute('name', 'readabilityFootnoteLink-' . $linkCount);
             $footnote->appendChild($footnoteLink);
 
@@ -385,8 +384,6 @@ class Readability implements LoggerAwareInterface
     /**
      * Prepare the article node for display. Clean out any inline styles,
      * iframes, forms, strip extraneous <p> tags, etc.
-     *
-     * @param \DOMNode $articleContent
      */
     public function prepArticle(\DOMNode $articleContent)
     {
@@ -396,6 +393,9 @@ class Readability implements LoggerAwareInterface
 
         $this->logger->debug($this->lightClean ? 'Light clean enabled.' : 'Standard clean enabled.');
 
+        $this->clean($articleContent, 'style');
+        $this->clean($articleContent, 'script');
+
         $this->cleanStyles($articleContent);
         $this->killBreaks($articleContent);
 
@@ -558,7 +558,6 @@ class Readability implements LoggerAwareInterface
      * This is the amount of text that is inside a link divided by the total text in the node.
      * Can exclude external references to differentiate between simple text and menus/infoblocks.
      *
-     * @param \DOMElement $e
      * @param bool $excludeExternal
      *
      * @return int
@@ -586,8 +585,6 @@ class Readability implements LoggerAwareInterface
     /**
      * Get an element relative weight.
      *
-     * @param \DOMElement $e
-     *
      * @return int
      */
     public function getWeight(\DOMElement $e)
@@ -607,8 +604,6 @@ class Readability implements LoggerAwareInterface
 
     /**
      * Remove extraneous break tags from a node.
-     *
-     * @param \DOMElement $node
      */
     public function killBreaks(\DOMElement $node)
     {
@@ -623,12 +618,10 @@ class Readability implements LoggerAwareInterface
      *
      * Updated 2012-09-18 to preserve youtube/vimeo iframes
      *
-     * @param \DOMElement $e
      * @param string $tag
      */
     public function clean(\DOMElement $e, $tag)
     {
-        $currentItem = null;
         $targetList = $e->getElementsByTagName($tag);
         $isEmbed = ('audio' === $tag || 'video' === $tag || 'iframe' === $tag || 'object' === $tag || 'embed' === $tag);
 
@@ -659,7 +652,6 @@ class Readability implements LoggerAwareInterface
      * "Fishy" is an algorithm based on content length, classnames,
      * link density, number of images & embeds, etc.
      *
-     * @param \DOMElement $e
      * @param string $tag
      */
     public function cleanConditionally(\DOMElement $e, $tag)
@@ -670,7 +662,6 @@ class Readability implements LoggerAwareInterface
 
         $tagsList = $e->getElementsByTagName($tag);
         $curTagsLength = $tagsList->length;
-        $node = null;
 
         /*
          * Gather counts for other typical elements embedded within.
@@ -772,8 +763,6 @@ class Readability implements LoggerAwareInterface
 
     /**
      * Clean out spurious headers from an Element. Checks things like classnames and link density.
-     *
-     * @param \DOMElement $e
      */
     public function cleanHeaders(\DOMElement $e)
     {
@@ -807,7 +796,7 @@ class Readability implements LoggerAwareInterface
      */
     public function addFlag($flag)
     {
-        $this->flags = $this->flags | $flag;
+        $this->flags |= $flag;
     }
 
     /**
@@ -817,13 +806,14 @@ class Readability implements LoggerAwareInterface
      */
     public function removeFlag($flag)
     {
-        $this->flags = $this->flags & ~$flag;
+        $this->flags &= ~$flag;
     }
 
     /**
      * Debug.
      *
      * @deprecated use $this->logger->debug() instead
+     *
      * @codeCoverageIgnore
      */
     protected function dbg($msg)
@@ -835,6 +825,7 @@ class Readability implements LoggerAwareInterface
      * Dump debug info.
      *
      * @deprecated since Monolog gather log, we don't need it
+     *
      * @codeCoverageIgnore
      */
     protected function dump_dbg()
@@ -915,8 +906,6 @@ class Readability implements LoggerAwareInterface
     /**
      * Initialize a node with the readability object. Also checks the
      * className/id for special names to add to its score.
-     *
-     * @param \DOMElement $node
      */
     protected function initializeNode(\DOMElement $node)
     {
@@ -954,7 +943,7 @@ class Readability implements LoggerAwareInterface
             case 'DD':
             case 'DT':
             case 'LI':
-                $readability->value -= 2 * round($this->getLinkDensity($node), 0, PHP_ROUND_HALF_UP);
+                $readability->value -= 2 * round($this->getLinkDensity($node), 0, \PHP_ROUND_HALF_UP);
                 break;
             case 'ASIDE':
             case 'FOOTER':
@@ -986,11 +975,11 @@ class Readability implements LoggerAwareInterface
      * Using a variety of metrics (content score, classname, element types), find the content that is
      * most likely to be the stuff a user wants to read. Then return it wrapped up in a div.
      *
-     * @param \DOMElement $page
+     * @param ?\DOMElement $page
      *
      * @return \DOMElement|false
      */
-    protected function grabArticle(\DOMElement $page = null)
+    protected function grabArticle($page = null)
     {
         if (!$page) {
             $page = $this->dom;
@@ -1005,9 +994,15 @@ class Readability implements LoggerAwareInterface
 
         $allElements = $page->getElementsByTagName('*');
 
-        for ($nodeIndex = 0; ($node = $allElements->item($nodeIndex)); ++$nodeIndex) {
+        for ($nodeIndex = 0; $node = $allElements->item($nodeIndex); ++$nodeIndex) {
             $tagName = $node->tagName;
 
+            $nodeContent = $node->getInnerHTML();
+            if (empty($nodeContent)) {
+                $this->logger->debug('Skipping empty node');
+                continue;
+            }
+
             // Some well known site uses sections as paragraphs.
             if (0 === strcasecmp($tagName, 'p') || 0 === strcasecmp($tagName, 'td') || 0 === strcasecmp($tagName, 'pre') || 0 === strcasecmp($tagName, 'section')) {
                 $nodesToScore[] = $node;
@@ -1016,11 +1011,11 @@ class Readability implements LoggerAwareInterface
             // Turn divs into P tags where they have been used inappropriately
             //  (as in, where they contain no other block level elements).
             if (0 === strcasecmp($tagName, 'div') || 0 === strcasecmp($tagName, 'article') || 0 === strcasecmp($tagName, 'section')) {
-                if (!preg_match($this->regexps['divToPElements'], $node->getInnerHTML())) {
+                if (!preg_match($this->regexps['divToPElements'], $nodeContent)) {
                     $newNode = $this->dom->createElement('p');
 
                     try {
-                        $newNode->setInnerHtml($node->getInnerHTML());
+                        $newNode->setInnerHtml($nodeContent);
 
                         $node->parentNode->replaceChild($newNode, $node);
                         --$nodeIndex;
@@ -1045,7 +1040,7 @@ class Readability implements LoggerAwareInterface
                             continue;
                         }
 
-                        if (XML_TEXT_NODE === $childNode->nodeType) {
+                        if (\XML_TEXT_NODE === $childNode->nodeType) {
                             $p = $this->dom->createElement('p');
                             $p->setInnerHtml($childNode->nodeValue);
                             $p->setAttribute('data-readability-styled', 'true');
@@ -1115,7 +1110,7 @@ class Readability implements LoggerAwareInterface
             // Add the score to the parent. The grandparent gets half.
             $parentNode->getAttributeNode('readability')->value += $contentScore;
             if ($grandParentNode) {
-                $grandParentNode->getAttributeNode('readability')->value += $contentScore / self::GRANDPARENT_SCORE_DIVISOR;
+                $grandParentNode->getAttributeNode('readability')->value += round($contentScore / self::GRANDPARENT_SCORE_DIVISOR);
             }
         }
 
@@ -1125,7 +1120,6 @@ class Readability implements LoggerAwareInterface
          */
         if ($this->flagIsActive(self::FLAG_STRIP_UNLIKELYS) && $xpath) {
             $candidates = $xpath->query('.//*[(self::footer and count(//footer)<2) or (self::aside and count(//aside)<2)]', $page->documentElement);
-            $node = null;
 
             for ($c = $candidates->length - 1; $c >= 0; --$c) {
                 $node = $candidates->item($c);
@@ -1137,7 +1131,6 @@ class Readability implements LoggerAwareInterface
             }
 
             $candidates = $xpath->query('.//*[not(self::body) and (@class or @id or @style) and ((number(@readability) < 40) or not(@readability))]', $page->documentElement);
-            $node = null;
 
             for ($c = $candidates->length - 1; $c >= 0; --$c) {
                 $node = $candidates->item($c);
@@ -1145,9 +1138,9 @@ class Readability implements LoggerAwareInterface
                 // Remove unlikely candidates
                 $unlikelyMatchString = $node->getAttribute('class') . ' ' . $node->getAttribute('id') . ' ' . $node->getAttribute('style');
 
-                if (mb_strlen($unlikelyMatchString) > 3 && // don't process "empty" strings
+                if (mb_strlen($unlikelyMatchString) > 3 // don't process "empty" strings
-                    preg_match($this->regexps['unlikelyCandidates'], $unlikelyMatchString) &&
+                    && preg_match($this->regexps['unlikelyCandidates'], $unlikelyMatchString)
-                    !preg_match($this->regexps['okMaybeItsACandidate'], $unlikelyMatchString)
+                    && !preg_match($this->regexps['okMaybeItsACandidate'], $unlikelyMatchString)
                 ) {
                     $this->logger->debug('Removing unlikely candidate (using conf) ' . $node->getNodePath() . ' by "' . $unlikelyMatchString . '" with readability ' . ($node->hasAttribute('readability') ? (int) $node->getAttributeNode('readability')->value : 0));
                     $node->parentNode->removeChild($node);
@@ -1173,7 +1166,7 @@ class Readability implements LoggerAwareInterface
                 // relatively small link density (5% or less) and be mostly unaffected by this operation.
                 // If not for this we would have used XPath to find maximum @readability.
                 $readability = $item->getAttributeNode('readability');
-                $readability->value = round($readability->value * (1 - $this->getLinkDensity($item)), 0, PHP_ROUND_HALF_UP);
+                $readability->value = round($readability->value * (1 - $this->getLinkDensity($item)), 0, \PHP_ROUND_HALF_UP);
 
                 if (!$topCandidate || $readability->value > (int) $topCandidate->getAttribute('readability')) {
                     $this->logger->debug('Candidate: ' . $item->getNodePath() . ' (' . $item->getAttribute('class') . ':' . $item->getAttribute('id') . ') with score ' . $readability->value);
@@ -1245,7 +1238,7 @@ class Readability implements LoggerAwareInterface
             $siblingNode = $siblingNodes->item($s);
             $siblingNodeName = $siblingNode->nodeName;
             $append = false;
-            $this->logger->debug('Looking at sibling node: ' . $siblingNode->getNodePath() . ((XML_ELEMENT_NODE === $siblingNode->nodeType && $siblingNode->hasAttribute('readability')) ? (' with score ' . $siblingNode->getAttribute('readability')) : ''));
+            $this->logger->debug('Looking at sibling node: ' . $siblingNode->getNodePath() . ((\XML_ELEMENT_NODE === $siblingNode->nodeType && $siblingNode->hasAttribute('readability')) ? (' with score ' . $siblingNode->getAttribute('readability')) : ''));
 
             if ($siblingNode->isSameNode($topCandidate)) {
                 $append = true;
@@ -1254,11 +1247,11 @@ class Readability implements LoggerAwareInterface
             $contentBonus = 0;
 
             // Give a bonus if sibling nodes and top candidates have the same classname.
-            if (XML_ELEMENT_NODE === $siblingNode->nodeType && $siblingNode->getAttribute('class') === $topCandidate->getAttribute('class') && '' !== $topCandidate->getAttribute('class')) {
+            if (\XML_ELEMENT_NODE === $siblingNode->nodeType && $siblingNode->getAttribute('class') === $topCandidate->getAttribute('class') && '' !== $topCandidate->getAttribute('class')) {
                 $contentBonus += ((int) $topCandidate->getAttribute('readability')) * 0.2;
             }
 
-            if (XML_ELEMENT_NODE === $siblingNode->nodeType && $siblingNode->hasAttribute('readability') && (((int) $siblingNode->getAttribute('readability')) + $contentBonus) >= $siblingScoreThreshold) {
+            if (\XML_ELEMENT_NODE === $siblingNode->nodeType && $siblingNode->hasAttribute('readability') && (((int) $siblingNode->getAttribute('readability')) + $contentBonus) >= $siblingScoreThreshold) {
                 $append = true;
             }
 
@@ -1346,7 +1339,6 @@ class Readability implements LoggerAwareInterface
      * Get an element weight by attribute.
      * Uses regular expressions to tell if this element looks good or bad.
      *
-     * @param \DOMElement $element
      * @param string $attribute
      *
      * @return int
@@ -1404,7 +1396,7 @@ class Readability implements LoggerAwareInterface
         $this->logger->debug('Parsing URL: ' . $this->url);
 
         if ($this->url) {
-            $this->domainRegExp = '/' . strtr(preg_replace('/www\d*\./', '', parse_url($this->url, PHP_URL_HOST)), ['.' => '\.']) . '/';
+            $this->domainRegExp = '/' . strtr(preg_replace('/www\d*\./', '', parse_url($this->url, \PHP_URL_HOST)), ['.' => '\.']) . '/';
         }
 
         mb_internal_encoding('UTF-8');
@@ -1440,10 +1432,10 @@ class Readability implements LoggerAwareInterface
             unset($tidy);
         }
 
-        $this->html = mb_convert_encoding($this->html, 'HTML-ENTITIES', 'UTF-8');
+        $this->html = '<meta charset="utf-8">' . (string) $this->html;
 
-        if ('html5lib' === $this->parser) {
+        if ('html5lib' === $this->parser || 'html5' === $this->parser) {
-            $this->dom = Parser::parse($this->html);
+            $this->dom = (new HTML5())->loadHTML($this->html);
         }
 
         if ('libxml' === $this->parser) {
@@ -1451,7 +1443,7 @@ class Readability implements LoggerAwareInterface
 
             $this->dom = new \DOMDocument();
             $this->dom->preserveWhiteSpace = false;
-            $this->dom->loadHTML($this->html, LIBXML_NOBLANKS | LIBXML_COMPACT | LIBXML_NOERROR);
+            $this->dom->loadHTML($this->html, \LIBXML_NOBLANKS | \LIBXML_COMPACT | \LIBXML_NOERROR);
 
             libxml_use_internal_errors(false);
         }

tests/ReadabilityTest.php

@@ -26,9 +26,9 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
     {
         $readability = $this->getReadability('<html/>', 'http://0.0.0.0', 'html5lib');
 
-        $this->assertEquals('http://0.0.0.0', $readability->url);
+        $this->assertSame('http://0.0.0.0', $readability->url);
         $this->assertInstanceOf('DomDocument', $readability->dom);
-        $this->assertEquals('<html/>', $readability->original_html);
+        $this->assertSame('<html/>', $readability->original_html);
     }
 
     /**
@@ -38,9 +38,9 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
     {
         $readability = $this->getReadability('<html/>', 'http://0.0.0.0');
 
-        $this->assertEquals('http://0.0.0.0', $readability->url);
+        $this->assertSame('http://0.0.0.0', $readability->url);
         $this->assertInstanceOf('DomDocument', $readability->dom);
-        $this->assertEquals('<html/>', $readability->original_html);
+        $this->assertSame('<html/>', $readability->original_html);
         $this->assertTrue($readability->tidied);
     }
 
@@ -49,7 +49,7 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $readability = $this->getReadability('', null, 'libxml', false);
 
         $this->assertNull($readability->url);
-        $this->assertEquals('', $readability->original_html);
+        $this->assertSame('', $readability->original_html);
         $this->assertFalse($readability->tidied);
 
         $this->assertInstanceOf('DomDocument', $readability->dom);
@@ -59,9 +59,9 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
     {
         $readability = $this->getReadability('<html/>', 'http://0.0.0.0', 'libxml', false);
 
-        $this->assertEquals('http://0.0.0.0', $readability->url);
+        $this->assertSame('http://0.0.0.0', $readability->url);
         $this->assertInstanceOf('DomDocument', $readability->dom);
-        $this->assertEquals('<html/>', $readability->original_html);
+        $this->assertSame('<html/>', $readability->original_html);
         $this->assertFalse($readability->tidied);
     }
 
@@ -74,7 +74,7 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $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()
@@ -85,9 +85,9 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $this->assertTrue($res);
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $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()
@@ -98,9 +98,9 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $this->assertTrue($res);
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $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()
@@ -112,9 +112,9 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $this->assertTrue($res);
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $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()
@@ -127,11 +127,11 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $this->assertTrue($res);
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $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()
@@ -144,11 +144,11 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $this->assertTrue($res);
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $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()
@@ -160,10 +160,10 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $this->assertTrue($res);
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $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()
@@ -175,10 +175,10 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $this->assertTrue($res);
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $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()
@@ -191,9 +191,9 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $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="4"/>', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('<footer readability="5"/>', $readability->getContent()->getInnerHtml());
     }
 
     public function testWithClasses()
@@ -205,10 +205,10 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $this->assertTrue($res);
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $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()
@@ -221,10 +221,10 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $this->assertTrue($res);
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $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()
@@ -237,7 +237,7 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $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()
@@ -250,8 +250,8 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $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()
@@ -264,8 +264,8 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $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()
@@ -277,9 +277,9 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $this->assertTrue($res);
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $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()
@@ -291,9 +291,9 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $this->assertTrue($res);
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $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()
@@ -305,9 +305,9 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $this->assertTrue($res);
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $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()
@@ -319,23 +319,24 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $this->assertTrue($res);
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
         $this->assertInstanceOf('Readability\JSLikeHTMLElement', $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());
     }
 
     // dummy function to be used to the next test
-    public function error2Exception($code, $string, $file, $line, $context)
+    public function error2Exception($code, $string, $file, $line)
     {
         throw new \Exception($string, $code);
     }
 
     public function testAutoClosingIframeNotThrowingException()
     {
-        error_reporting(E_ALL | E_STRICT);
+        $oldErrorReporting = error_reporting(\E_ALL);
-        ini_set('display_errors', true);
+        $oldDisplayErrors = ini_set('display_errors', true);
-        set_error_handler([$this, 'error2Exception'], E_ALL | E_STRICT);
+        set_error_handler([$this, 'error2Exception']);
 
+        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#">
 
@@ -358,6 +359,8 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
                       </div>
                     </div>
                   </div>
+                </div>
+              </div>
             </body>
             </html>';
 
@@ -369,8 +372,15 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
             $this->assertTrue($res);
             $this->assertInstanceOf('Readability\JSLikeHTMLElement', $readability->getContent());
             $this->assertInstanceOf('Readability\JSLikeHTMLElement', $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);
+        }
     }
 
     /**
@@ -440,7 +450,7 @@ 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()
@@ -453,7 +463,7 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $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()
@@ -479,8 +489,21 @@ class ReadabilityTest extends \PHPUnit\Framework\TestCase
         $res = $readability->init();
 
         $this->assertTrue($res);
-        $this->assertContains('<sup id="fnref1:fnfeed_2"><a href="#fn:fnfeed_2" class="footnote-ref">2</a></sup>', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('<sup id="fnref1:fnfeed_2"><a href="#fn:fnfeed_2" class="footnote-ref">2</a></sup>', $readability->getContent()->getInnerHtml());
-        $this->assertContains('<a href="#fnref1:fnfeed_2" rev="footnote"', $readability->getContent()->getInnerHtml());
+        $this->assertStringContainsString('<a href="#fnref1:fnfeed_2" rev="footnote"', $readability->getContent()->getInnerHtml());
+    }
+
+    public function testWithWipedBody()
+    {
+        // from https://www.cs.cmu.edu/~rgs/alice-table.html
+        $html = file_get_contents('tests/fixtures/wipedBody.html');
+
+        $readability = $this->getReadability($html, 'http://0.0.0.0', 'libxml', false);
+        $readability->debug = true;
+        $res = $readability->init();
+
+        $this->assertTrue($res);
+        $this->assertStringContainsString('<a href="alice-I.html">Down the Rabbit-Hole</a>', $readability->getContent()->getInnerHtml());
     }
 
     private function getReadability($html, $url = null, $parser = 'libxml', $useTidy = true)

tests/fixtures/wipedBody.html

@@ -0,0 +1,67 @@
+
+<HTML>
+<HEAD>
+<TITLE>Alice's Adventures in Wonderland (Project Gutenberg)</TITLE>
+</HEAD>
+
+<frameset Rows="50, *">
+<frame src="alice-finfo.html">
+<frame src="alice-ftitle.html" name="alice-main">
+</frameset>
+
+<noframes>
+<BODY>
+<H1>Alice's Adventures in Wonderland</H1>
+                          <H1>Lewis Carroll</H1>
+               <H1>The Millennium Fulcrum Edition 3.0</H1>
+
+NOTE:  This is a hypertext formatted version of the Project Gutenberg edition.
+For more information, check the
+<A HREF="alice-small.txt">small print</A>
+or check out the
+<A HREF="ftp://uiarchive.cso.uiuc.edu/pub/etext/gutenberg/etext91/alice30.txt">
+full ascii text</A>.  The original Tenniel illustrations are also available
+due to the efforts of Project Gutenberg.  You can if you like, grab them as a
+<A HREF="ftp://uiarchive.cso.uiuc.edu/pub/etext/gutenberg/etext94/algif10.zip">
+"zip file"</A> or read the <A HREF="algif-small.txt">small print</A>
+that comes with them.
+This document is part of a small, but growing collection of html formatted
+etexts.  (Others may be found in either my <A
+HREF="http://www.cs.cmu.edu/Web/People/rgs/rgs-home.html">home page</A> or
+John Ockerbloom's indexes by <A
+HREF="http://www.cs.cmu.edu/Web/bookauthors.html">author</A> and <A
+HREF="http://www.cs.cmu.edu/Web/booktitles.html">title</A>.)
+I am still trying to figure out whether anyone else is interested in these
+on-line readable documents.  If you appreciate this document or would like to
+see more such, send me mail at "rgs@cs.cmu.edu".
+<P>
+<A HREF="alice01a.gif"><IMG SRC="alice01th.gif"></A>
+<P>
+<H2>CONTENTS</H2>
+<PRE>
+    CHAPTER I:    <A HREF="alice-I.html">Down the Rabbit-Hole</A>
+    CHAPTER II:   <A HREF="alice-II.html">The Pool of Tears</A>
+    CHAPTER III:  <A HREF="alice-III.html">A Caucus-Race and a Long Tale</A>
+    CHAPTER IV:   <A HREF="alice-IV.html">The Rabbit Sends in a Little Bill</A>
+    CHAPTER V:    <A HREF="alice-V.html">Advice from a Caterpillar</A>
+    CHAPTER VI:   <A HREF="alice-VI.html">Pig and Pepper</A>
+    CHAPTER VII:  <A HREF="alice-VII.html">A Mad Tea-Party</A>
+    CHAPTER VIII: <A HREF="alice-VIII.html">The Queen's Croquet-Ground</A>
+    CHAPTER IX:   <A HREF="alice-IX.html">The Mock Turtle's Story</A>
+    CHAPTER X:    <A HREF="alice-X.html">The Lobster Quadrille</A>
+    CHAPTER XI:   <A HREF="alice-XI.html">Who Stole the Tarts?</A>
+    CHAPTER XII:  <A HREF="alice-XII.html">Alice's Evidence</A>
+</PRE>
+
+<ADDRESS><A HREF="mailto:rgs@cs.cmu.edu">Robert Stockton</A></ADDRESS>
+<P>
+<!- Access counter added 5/25 1:49am ->
+<A href="http://www.dbasics.com/cgi-bin/pages.cgi?143205747"><IMG SRC="http://www.dbasics.com/cgi-bin/counter.cgi?143205747.2&(none)"></A> Access statistics from htmlZine
+<!- This page has been visited
+A HREF="http://counter.digits.com/wc?--info=yes&--name=rgsalice"
+IMG SRC="http://counter.digits.com/wc/-d/4/-r/-z/rgsalice"
+ ALIGN=absmiddle WIDTH=60 HEIGHT=20 BORDER=0 HSPACE=4 ALT="????"/A
+times since March 2, 1996. ->
+</BODY>
+</noframes>
+</HTML>