Replace elseif by else if

Summary:
Mostly written by me.
Omit external libraries.

Test Plan: http://phabricator.com/docs/phabricator/article/PHP_Coding_Standards.html

Reviewers: epriestley

Reviewed By: epriestley

CC: aran

Differential Revision: https://secure.phabricator.com/D2104

src/applications/differential/controller/revisionlist/DifferentialRevisionListController.php

@@ -406,9 +406,9 @@ final class DifferentialRevisionListController extends DifferentialController {
       case 'status':
         if ($params['status'] == 'open') {
           $query->withStatus(DifferentialRevisionQuery::STATUS_OPEN);
-        } elseif ($params['status'] == 'committed') {
+        } else if ($params['status'] == 'committed') {
           $query->withStatus(DifferentialRevisionQuery::STATUS_COMMITTED);
-        } elseif ($params['status'] == 'abandoned') {
+        } else if ($params['status'] == 'abandoned') {
           $query->withStatus(DifferentialRevisionQuery::STATUS_ABANDONED);
         }
         break;

src/applications/differential/parser/changeset/DifferentialChangesetParser.php

@@ -1355,7 +1355,7 @@ final class DifferentialChangesetParser {
           if ($this->old[$ii]['type'] == '\\') {
             $o_text = $this->old[$ii]['text'];
             $o_attr = ' class="comment"';
-          } elseif (empty($this->new[$ii])) {
+          } else if (empty($this->new[$ii])) {
             $o_attr = ' class="old old-full"';
           } else {
             $o_attr = ' class="old"';
@@ -1389,7 +1389,7 @@ final class DifferentialChangesetParser {
           if ($this->new[$ii]['type'] == '\\') {
             $n_text = $this->new[$ii]['text'];
             $n_attr = ' class="comment"';
-          } elseif (empty($this->old[$ii])) {
+          } else if (empty($this->old[$ii])) {
             $n_attr = ' class="new new-full"';
           } else {
             $n_attr = ' class="new"';

src/applications/differential/view/revisioncommentlist/DifferentialRevisionCommentListView.php

@@ -89,7 +89,7 @@ final class DifferentialRevisionCommentListView extends AphrontView {
       $view->setVersusDiffID($this->versusDiffID);
       if ($comment->getAction() == DifferentialAction::ACTION_SUMMARIZE) {
         $view->setAnchorName('summary');
-      } elseif ($comment->getAction() == DifferentialAction::ACTION_TESTPLAN) {
+      } else if ($comment->getAction() == DifferentialAction::ACTION_TESTPLAN) {
         $view->setAnchorName('test-plan');
       } else {
         $view->setAnchorName('comment-'.$num);

src/applications/search/controller/search/PhabricatorSearchController.php

@@ -239,7 +239,7 @@ final class PhabricatorSearchController
             ->loadOneWhere('callsign = %s', $match[1]);
           if ($match[2] == '') {
             $jump = $repository;
-          } elseif ($repository) {
+          } else if ($repository) {
             $jump = id(new PhabricatorRepositoryCommit())->loadOneWhere(
               'repositoryID = %d AND commitIdentifier = %s',
               $repository->getID(),
@@ -255,9 +255,9 @@ final class PhabricatorSearchController
               }
             }
           }
-        } elseif (preg_match('/^d(\d+)$/i', $query_str, $match)) {
+        } else if (preg_match('/^d(\d+)$/i', $query_str, $match)) {
           $jump = id(new DifferentialRevision())->load($match[1]);
-        } elseif (preg_match('/^t(\d+)$/i', $query_str, $match)) {
+        } else if (preg_match('/^t(\d+)$/i', $query_str, $match)) {
           $jump = id(new ManiphestTask())->load($match[1]);
         }
         if ($jump) {

src/infrastructure/setup/PhabricatorSetup.php

@@ -745,7 +745,7 @@ final class PhabricatorSetup {
           if (!$r->isSubclassOf($instanceof)) {
             throw new Exception(
               "Config setting '$key' must be an instance of '$instanceof'.");
-          } elseif (!$r->isInstantiable()) {
+          } else if (!$r->isInstantiable()) {
             throw new Exception("Config setting '$key' must be instantiable.");
           }
         } catch (Exception $ex) {