Convert variable names to camel case in PHPDoc

[MAILPOET-1796]

lib/DynamicSegments/Persistence/Loading/SingleSegmentLoader.php

@@ -15,7 +15,7 @@ class SingleSegmentLoader {
   }
 
   /**
-   * @param string|int $segment_id
+   * @param string|int $segmentId
    * @return DynamicSegment
    */
   public function load($segmentId) {

lib/DynamicSegments/Persistence/Loading/SubscribersCount.php

@@ -20,7 +20,7 @@ class SubscribersCount {
   }
 
   /**
-   * @param DynamicSegment $dynamic_segment
+   * @param DynamicSegment $dynamicSegment
    *
    * @return int
    */

lib/DynamicSegments/Persistence/Loading/SubscribersIds.php

@@ -22,8 +22,8 @@ class SubscribersIds {
   /**
    * Finds subscribers in a dynamic segment and returns their ids.
    *
-   * @param DynamicSegment $dynamic_segment
-   * @param array $limit_to_subscribers_ids If passed the result will be limited only to ids within this array
+   * @param DynamicSegment $dynamicSegment
+   * @param array $limitToSubscribersIds If passed the result will be limited only to ids within this array
    *
    * @return Subscriber[]
    */