Adhere to coding standard

Author: fredden

lib/internal/Magento/Framework/Data/Form/Element/Checkbox.php

@@ -1,8 +1,10 @@
 <?php
+
 /**
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+
 namespace Magento\Framework\Data\Form\Element;
 
 use Magento\Framework\Escaper;
@@ -30,6 +32,8 @@ public function __construct(
     }
 
     /**
+     * Get HTML attributes
+     *
      * @return string[]
      */
     public function getHtmlAttributes()
@@ -51,6 +55,8 @@ public function getHtmlAttributes()
     }
 
     /**
+     * Get Element HTML
+     *
      * @return string
      * @SuppressWarnings(PHPMD.UnusedLocalVariable)
      */
@@ -61,13 +67,15 @@ public function getElementHtml()
         } else {
             $this->unsetData('checked');
         }
+
         return parent::getElementHtml();
     }
 
     /**
      * Set check status of checkbox
      *
      * @param bool $value
+     *
      * @return Checkbox
      */
     public function setIsChecked($value = false)

lib/internal/Magento/Framework/Data/Form/Element/Editablemultiselect.php

@@ -1,4 +1,5 @@
 <?php
+
 /**
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
@@ -68,7 +69,7 @@ public function __construct(
      *
      * This class must define init() method and receive configuration in the constructor
      */
-    const DEFAULT_ELEMENT_JS_CLASS = 'EditableMultiselect';
+    public const DEFAULT_ELEMENT_JS_CLASS = 'EditableMultiselect';
 
     /**
      * Retrieve HTML markup of the element
@@ -140,11 +141,12 @@ function check( tries, delay ){
      *
      * @param array $option
      * @param string[] $selected
+     *
      * @return string
      */
     protected function _optionToHtml($option, $selected)
     {
-        $optionId = 'optId' .$this->random->getRandomString(8);
+        $optionId = 'optId' . $this->random->getRandomString(8);
         $html = '<option value="' . $this->_escape($option['value']) . '" id="' . $optionId . '" ';
         $html .= isset($option['title']) ? 'title="' . $this->_escape($option['title']) . '"' : '';
         if (in_array((string)$option['value'], $selected)) {

lib/internal/Magento/Framework/Data/Form/Element/Hidden.php

@@ -1,16 +1,17 @@
 <?php
+
 /**
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
 
-/**
- * Form hidden element
- */
 namespace Magento\Framework\Data\Form\Element;
 
 use Magento\Framework\Escaper;
 
+/**
+ * Form hidden element
+ */
 class Hidden extends AbstractElement
 {
     /**
@@ -31,6 +32,8 @@ public function __construct(
     }
 
     /**
+     * Get default HTML
+     *
      * @return mixed
      */
     public function getDefaultHtml()
@@ -39,6 +42,7 @@ public function getDefaultHtml()
         if ($html === null) {
             $html = $this->getElementHtml();
         }
+
         return $html;
     }
 }

lib/internal/Magento/Framework/Data/Form/Element/Multiline.php

@@ -1,4 +1,5 @@
 <?php
+
 /**
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
@@ -31,6 +32,8 @@ public function __construct(
     }
 
     /**
+     * Get HTML attributes
+     *
      * @return string[]
      */
     public function getHtmlAttributes()
@@ -51,13 +54,17 @@ public function getHtmlAttributes()
     }
 
     /**
+     * Get label HTML
+     *
      * @param int $suffix
      * @param string $scopeLabel
+     *
      * @return string
      */
     public function getLabelHtml($suffix = 0, $scopeLabel = '')
     {
-        return parent::getLabelHtml($suffix, $scopeLabel);
+        $html = parent::getLabelHtml($suffix, $scopeLabel);
+        return $html;
     }
 
     /**
@@ -76,6 +83,7 @@ public function getElementHtml()
             } else {
                 $this->setClass('input-text admin__control-text');
             }
+
             $html .= '<div class="multi-input admin__field-control"><input id="' .
                 $this->getHtmlId() .
                 $i .
@@ -95,12 +103,16 @@ public function getElementHtml()
             if ($i == 0) {
                 $html .= $this->getAfterElementHtml();
             }
+
             $html .= '</div>';
         }
+
         return $html;
     }
 
     /**
+     * Get default HTML
+     *
      * @return mixed
      * @SuppressWarnings(PHPMD.NPathComplexity)
      */
@@ -127,6 +139,7 @@ public function getDefaultHtml()
                 $this->setClass('input-text');
                 $html .= '<label>&nbsp;</label>' . "\n";
             }
+
             $html .= '<input id="' .
                 $this->getHtmlId() .
                 $i .
@@ -144,13 +157,15 @@ public function getDefaultHtml()
             if ($i == 0) {
                 $html .= $this->getAfterElementHtml();
             }
+
             $html .= $this->getNoSpan() === true ? '' : '</span>' . "\n";
         }
+
         return $html;
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritDoc
      */
     public function getEscapedValue($index = null)
     {

lib/internal/Magento/Framework/Data/Form/Element/Note.php

@@ -1,16 +1,17 @@
 <?php
+
 /**
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
 
-/**
- * Form note element
- */
 namespace Magento\Framework\Data\Form\Element;
 
 use Magento\Framework\Escaper;
 
+/**
+ * Form note element
+ */
 class Note extends AbstractElement
 {
     /**
@@ -30,6 +31,8 @@ public function __construct(
     }
 
     /**
+     * Get element HTML
+     *
      * @return string
      */
     public function getElementHtml()