Merge branch 'feature/4904' into develop

Close zendframework/zendframework#4904

src/Reader/Extension/Syndication/Feed.php

@@ -24,7 +24,7 @@ class Feed extends Extension\AbstractFeed
     public function getUpdatePeriod()
     {
         $name = 'updatePeriod';
-        $period = $this->_getData($name);
+        $period = $this->getData($name);
 
         if ($period === null) {
             $this->data[$name] = 'daily';
@@ -52,7 +52,7 @@ public function getUpdatePeriod()
     public function getUpdateFrequency()
     {
         $name = 'updateFrequency';
-        $freq = $this->_getData($name, 'number');
+        $freq = $this->getData($name, 'number');
 
         if (!$freq || $freq < 1) {
             $this->data[$name] = 1;
@@ -70,7 +70,7 @@ public function getUpdateFrequency()
     public function getUpdateFrequencyAsTicks()
     {
         $name = 'updateFrequency';
-        $freq = $this->_getData($name, 'number');
+        $freq = $this->getData($name, 'number');
 
         if (!$freq || $freq < 1) {
             $this->data[$name] = 1;
@@ -107,7 +107,7 @@ public function getUpdateFrequencyAsTicks()
      */
     public function getUpdateBase()
     {
-        $updateBase = $this->_getData('updateBase');
+        $updateBase = $this->getData('updateBase');
         $date = null;
         if ($updateBase) {
             $date = DateTime::createFromFormat(DateTime::W3C, $updateBase);
@@ -122,7 +122,7 @@ public function getUpdateBase()
      * @param string $type
      * @return mixed|null
      */
-    private function _getData($name, $type = 'string')
+    private function getData($name, $type = 'string')
     {
         if (array_key_exists($name, $this->data)) {
             return $this->data[$name];