⏫ Forwardport of magento/magento2#11495 to 2.3-develop branch

Applied pull request patch https://github.com/magento/magento2/pull/11495.patch (created by @diazwatson) based on commit(s):
  1. 84b0872

Fixed GitHub Issues in 2.3-develop branch:
  - magento/magento2#9783: Multiple <depends> parameters in widget.xml not allowed (reported by @milansimek)

Author: magento-engcom-team

app/code/Magento/Widget/Model/Config/Converter.php

@@ -222,7 +222,7 @@ protected function _convertDepends($source)
     {
         $depends = [];
         foreach ($source->childNodes as $childNode) {
-            if ($childNode->nodeName == '#text') {
+            if ($childNode->nodeName === '#text') {
                 continue;
             }
             if ($childNode->nodeName !== 'parameter') {
@@ -231,12 +231,23 @@ protected function _convertDepends($source)
                 );
             }
             $parameterAttributes = $childNode->attributes;
-            $depends[$parameterAttributes->getNamedItem(
-                'name'
-            )->nodeValue] = [
-                'value' => $parameterAttributes->getNamedItem('value')->nodeValue,
-            ];
+            $dependencyName = $parameterAttributes->getNamedItem('name')->nodeValue;
+            $dependencyValue = $parameterAttributes->getNamedItem('value')->nodeValue;
+
+            if (!isset($depends[$dependencyName])) {
+                $depends[$dependencyName] = [
+                    'value' => $dependencyValue,
+                ];
+
+                continue;
+            } else if (!isset($depends[$dependencyName]['values'])) {
+                $depends[$dependencyName]['values'] = [$depends[$dependencyName]['value']];
+                unset($depends[$dependencyName]['value']);
+            }
+
+            $depends[$dependencyName]['values'][] = $dependencyValue;
         }
+
         return $depends;
     }
 

app/code/Magento/Widget/etc/widget.xsd

@@ -212,8 +212,8 @@
         <xs:annotation>
             <xs:documentation>List of parameters this parameter depends on.</xs:documentation>
         </xs:annotation>
-        <xs:all>
+        <xs:sequence maxOccurs="unbounded">
             <xs:element name="parameter" type="dependsParameterType" />
-        </xs:all>
+        </xs:sequence>
     </xs:complexType>
 </xs:schema>

app/code/Magento/Widget/etc/widget_file.xsd

@@ -212,8 +212,8 @@
         <xs:annotation>
             <xs:documentation>List of parameters this parameter depends on.</xs:documentation>
         </xs:annotation>
-        <xs:all>
+        <xs:sequence maxOccurs="unbounded">
             <xs:element name="parameter" type="dependsParameterType" />
-        </xs:all>
+        </xs:sequence>
     </xs:complexType>
 </xs:schema>