Enable php-cs-fixer

.gitattributes

@@ -3,6 +3,7 @@
 /.gitignore export-ignore
 /.scrutinizer.yml export-ignore
 /.travis.yml export-ignore
+/.php_cs export-ignore
 /README.md export-ignore
 /phpunit.xml.dist export-ignore
 /tests export-ignore

.gitignore

@@ -1,3 +1,4 @@
 vendor/
 coverage/
 composer.lock
+.php_cs.cache

.php_cs

@@ -0,0 +1,20 @@
+<?php
+
+return Symfony\CS\Config\Config::create()
+    ->setUsingCache(true)
+    ->level(Symfony\CS\FixerInterface::SYMFONY_LEVEL)
+    // use default SYMFONY_LEVEL and extra fixers:
+    ->fixers(array(
+        'concat_with_spaces',
+        'ordered_use',
+        'phpdoc_order',
+        'strict',
+        'strict_param',
+        'long_array_syntax',
+    ))
+    ->finder(
+        Symfony\CS\Finder\DefaultFinder::create()
+            ->in(__DIR__)
+            ->exclude(array('vendor'))
+    )
+;

.travis.yml

@@ -10,6 +10,9 @@ php:
     - hhvm
 
 matrix:
+    include:
+        - php: 7.0
+          env: CS_FIXER=run
     fast_finish: true
     allow_failures:
         - php: hhvm
@@ -37,6 +40,7 @@ before_script:
 script:
     - mkdir -p build/logs
     - phpunit -v --coverage-clover build/logs/clover.xml
+    - if [ "$CS_FIXER" = "run" ]; then php vendor/bin/php-cs-fixer fix --verbose --dry-run ; fi;
 
 after_script:
     - php vendor/bin/coveralls -v

composer.json

@@ -28,7 +28,8 @@
         "monolog/monolog": "^1.13.1"
     },
     "require-dev": {
-        "satooshi/php-coveralls": "~0.6"
+        "satooshi/php-coveralls": "~0.6",
+        "friendsofphp/php-cs-fixer": "*"
     },
     "autoload": {
         "psr-4": { "Readability\\": "src/" }

src/JSLikeHTMLElement.php

@@ -45,14 +45,14 @@ class JSLikeHTMLElement extends \DOMElement
      */
     public function __set($name, $value)
     {
-        if ($name == 'innerHTML') {
+        if ($name === 'innerHTML') {
             // first, empty the element
             for ($x = $this->childNodes->length - 1; $x >= 0; --$x) {
                 $this->removeChild($this->childNodes->item($x));
             }
 
             // $value holds our new inner HTML
-            if ($value != '') {
+            if ($value !== '') {
                 $f = $this->ownerDocument->createDocumentFragment();
 
                 // appendXML() expects well-formed markup (XHTML)
@@ -102,7 +102,7 @@ class JSLikeHTMLElement extends \DOMElement
      */
     public function __get($name)
     {
-        if ($name == 'innerHTML') {
+        if ($name === 'innerHTML') {
             $inner = '';
 
             foreach ($this->childNodes as $child) {

src/Readability.php

@@ -284,7 +284,7 @@ class Readability implements LoggerAwareInterface
 
         $this->html = mb_convert_encoding($this->html, 'HTML-ENTITIES', 'UTF-8');
 
-        if (!($this->parser == 'html5lib' && ($this->dom = \HTML5_Parser::parse($this->html)))) {
+        if (!($this->parser === 'html5lib' && ($this->dom = \HTML5_Parser::parse($this->html)))) {
             libxml_use_internal_errors(true);
 
             $this->dom = new \DOMDocument();
@@ -325,7 +325,7 @@ class Readability implements LoggerAwareInterface
         $bodyElems = $this->dom->getElementsByTagName('body');
 
         // WTF multiple body nodes?
-        if ($this->bodyCache == null) {
+        if ($this->bodyCache === null) {
             $this->bodyCache = '';
             foreach ($bodyElems as $bodyNode) {
                 $this->bodyCache .= trim($bodyNode->innerHTML);
@@ -429,7 +429,7 @@ class Readability implements LoggerAwareInterface
             }
         } elseif (mb_strlen($curTitle) > 150 || mb_strlen($curTitle) < 15) {
             $hOnes = $this->dom->getElementsByTagName('h1');
-            if ($hOnes->length == 1) {
+            if ($hOnes->length === 1) {
                 $curTitle = $this->getInnerText($hOnes->item(0));
             }
         }
@@ -524,7 +524,7 @@ class Readability implements LoggerAwareInterface
             $articleLink->setAttribute('style', 'color: inherit; text-decoration: none;');
             $articleLink->setAttribute('name', 'readabilityLink-' . $linkCount);
             $footnote->innerHTML = '<small><sup><a href="#readabilityLink-' . $linkCount . '" title="Jump to Link in Article">^</a></sup></small> ';
-            $footnoteLink->innerHTML = ($footnoteLink->getAttribute('title') != '' ? $footnoteLink->getAttribute('title') : $linkText);
+            $footnoteLink->innerHTML = ($footnoteLink->getAttribute('title') !== '' ? $footnoteLink->getAttribute('title') : $linkText);
             $footnoteLink->setAttribute('name', 'readabilityFootnoteLink-' . $linkCount);
             $footnote->appendChild($footnoteLink);
 
@@ -586,7 +586,7 @@ class Readability implements LoggerAwareInterface
          *  already have a header.
          */
         $h2s = $articleContent->getElementsByTagName('h2');
-        if ($h2s->length == 1 && mb_strlen($this->getInnerText($h2s->item(0), true, true)) < 100) {
+        if ($h2s->length === 1 && mb_strlen($this->getInnerText($h2s->item(0), true, true)) < 100) {
             $this->clean($articleContent, 'h2');
         }
 
@@ -971,7 +971,7 @@ class Readability implements LoggerAwareInterface
             $contentBonus = 0;
 
             // Give a bonus if sibling nodes and top candidates have the same classname.
-            if ($siblingNode->nodeType === XML_ELEMENT_NODE && $siblingNode->getAttribute('class') == $topCandidate->getAttribute('class') && $topCandidate->getAttribute('class') != '') {
+            if ($siblingNode->nodeType === XML_ELEMENT_NODE && $siblingNode->getAttribute('class') === $topCandidate->getAttribute('class') && $topCandidate->getAttribute('class') !== '') {
                 $contentBonus += ((int) $topCandidate->getAttribute('readability')) * 0.2;
             }
 
@@ -1178,7 +1178,7 @@ class Readability implements LoggerAwareInterface
         // $attributeValue = trim($element->getAttribute('class')." ".$element->getAttribute('id'));
         $attributeValue = trim($element->getAttribute($attribute));
 
-        if ($attributeValue != '') {
+        if ($attributeValue !== '') {
             if (preg_match($this->regexps['negative'], $attributeValue)) {
                 $weight -= 25;
             }
@@ -1331,7 +1331,7 @@ class Readability implements LoggerAwareInterface
                 $toRemove = false;
 
                 if ($this->lightClean) {
-                    if ($li > $p && $tag != 'ul' && $tag != 'ol') {
+                    if ($li > $p && $tag !== 'ul' && $tag !== 'ol') {
                         $this->logger->debug(' too many <li> elements, and parent is not <ul> or <ol>');
                         $toRemove = true;
                     } elseif ($input > floor($p / 3)) {
@@ -1354,7 +1354,7 @@ class Readability implements LoggerAwareInterface
                     if ($img > $p) {
                         $this->logger->debug(' more image elements than paragraph elements');
                         $toRemove = true;
-                    } elseif ($li > $p && $tag != 'ul' && $tag != 'ol') {
+                    } elseif ($li > $p && $tag !== 'ul' && $tag !== 'ol') {
                         $this->logger->debug('  too many <li> elements, and parent is not <ul> or <ol>');
                         $toRemove = true;
                     } elseif ($input > floor($p / 3)) {
@@ -1369,7 +1369,7 @@ class Readability implements LoggerAwareInterface
                     } elseif ($weight >= 25 && $linkDensity > 0.5) {
                         $this->logger->debug('  weight above 25 but link density is ' . sprintf('%.2f', $linkDensity) . ' > 0.5');
                         $toRemove = true;
-                    } elseif (($embedCount == 1 && $contentLength < 75) || $embedCount > 1) {
+                    } elseif (($embedCount === 1 && $contentLength < 75) || $embedCount > 1) {
                         $this->logger->debug('  1 embed and content length smaller than 75 chars, or more than one embed');
                         $toRemove = true;
                     }

tests/ReadabilityTest.php

@@ -2,9 +2,9 @@
 
 namespace Tests\Readability;
 
-use Readability\Readability;
-use Monolog\Logger;
 use Monolog\Handler\TestHandler;
+use Monolog\Logger;
+use Readability\Readability;
 
 class ReadabilityTest extends \PHPUnit_Framework_TestCase
 {
@@ -383,7 +383,7 @@ class ReadabilityTest extends \PHPUnit_Framework_TestCase
     }
 
     /**
-     * This should generate an Exception "DOMElement::setAttribute(): ID post-60 already defined"
+     * This should generate an Exception "DOMElement::setAttribute(): ID post-60 already defined".
      */
     public function testAppendIdAlreadyHere()
     {