diff --git a/src/applications/transactions/editengine/PhabricatorEditEngine.php b/src/applications/transactions/editengine/PhabricatorEditEngine.php
--- a/src/applications/transactions/editengine/PhabricatorEditEngine.php
+++ b/src/applications/transactions/editengine/PhabricatorEditEngine.php
@@ -971,14 +971,14 @@
     }
 
     $page_key = $request->getURIData('pageKey');
-    if (!strlen($page_key)) {
+    if (!phutil_nonempty_string($page_key)) {
       $pages = $this->getPages($object);
       if ($pages) {
         $page_key = head_key($pages);
       }
     }
 
-    if (strlen($page_key)) {
+    if (phutil_nonempty_string($page_key)) {
       $page = $this->selectPage($object, $page_key);
       if (!$page) {
         return new Aphront404Response();
@@ -1169,7 +1169,7 @@
       if ($this->getIsCreate()) {
         $template = $request->getStr('template');
 
-        if (strlen($template)) {
+        if (phutil_nonempty_string($template)) {
           $template_object = $this->newObjectFromIdentifier(
             $template,
             array(
diff --git a/src/applications/transactions/editfield/PhabricatorEditField.php b/src/applications/transactions/editfield/PhabricatorEditField.php
--- a/src/applications/transactions/editfield/PhabricatorEditField.php
+++ b/src/applications/transactions/editfield/PhabricatorEditField.php
@@ -418,7 +418,7 @@
       }
 
       $instructions = $this->getControlInstructions();
-      if (strlen($instructions)) {
+      if (phutil_nonempty_string($instructions)) {
         $form->appendRemarkupInstructions($instructions);
       }
 
diff --git a/src/applications/transactions/editfield/PhabricatorTextEditField.php b/src/applications/transactions/editfield/PhabricatorTextEditField.php
--- a/src/applications/transactions/editfield/PhabricatorTextEditField.php
+++ b/src/applications/transactions/editfield/PhabricatorTextEditField.php
@@ -18,7 +18,7 @@
     $control = new AphrontFormTextControl();
 
     $placeholder = $this->getPlaceholder();
-    if (strlen($placeholder)) {
+    if (phutil_nonempty_string($placeholder)) {
       $control->setPlaceholder($placeholder);
     }