1 files changed, 7 insertions, 7 deletions

diff --git a/src/controllers/SequencesController.php b/src/controllers/SequencesController.php
index 617c956c..f4dd6ecb 100644
--- a/src/controllers/SequencesController.php
+++ b/src/controllers/SequencesController.php
@@ -35,7 +35,7 @@ class SequencesController extends BaseController
 
                 break;
             case 'save_create_sequence':
-                if (isset($_POST['create'])) {
+                if (null !== $this->getPostParam('create')) {
                     $this->doSaveCreateSequence();
                 } else {
                     $this->doDefault();
@@ -47,7 +47,7 @@ class SequencesController extends BaseController
 
                 break;
             case 'drop':
-                if (isset($_POST['drop'])) {
+                if (null !== $this->getPostParam('drop')) {
                     $this->doDrop(false);
                 } else {
                     $this->doDefault();
@@ -83,7 +83,7 @@ class SequencesController extends BaseController
 
                 break;
             case 'alter':
-                if (isset($_POST['alter'])) {
+                if (null !== $this->getPostParam('alter')) {
                     $this->doSaveAlter();
                 } else {
                     $this->doDefault();
@@ -426,7 +426,7 @@ class SequencesController extends BaseController
             echo '<p><input type="hidden" name="action" value="drop" />' . \PHP_EOL;
             echo $this->view->form;
             echo "<input type=\"submit\" name=\"drop\" value=\"{$this->lang['strdrop']}\" />" . \PHP_EOL;
-            echo sprintf('<input type="submit" name="cancel" value="%s"  /></p>%s',$this->lang['strcancel'], \PHP_EOL);
+            echo \sprintf('<input type="submit" name="cancel" value="%s"  /></p>%s', $this->lang['strcancel'], \PHP_EOL);
             echo '</form>' . \PHP_EOL;
         } else {
             if (\is_array($_POST['sequence'])) {
@@ -528,7 +528,7 @@ class SequencesController extends BaseController
         echo '<p><input type="hidden" name="action" value="save_create_sequence" />' . \PHP_EOL;
         echo $this->view->form;
         echo "<input type=\"submit\" name=\"create\" value=\"{$this->lang['strcreate']}\" />" . \PHP_EOL;
-        echo sprintf('<input type="submit" name="cancel" value="%s"  /></p>%s',$this->lang['strcancel'], \PHP_EOL);
+        echo \sprintf('<input type="submit" name="cancel" value="%s"  /></p>%s', $this->lang['strcancel'], \PHP_EOL);
         echo '</form>' . \PHP_EOL;
     }
 
@@ -653,7 +653,7 @@ class SequencesController extends BaseController
             echo '<input type="hidden" name="sequence" value="', \htmlspecialchars($_REQUEST['sequence']), '" />' . \PHP_EOL;
             echo $this->view->form;
             echo "<input type=\"submit\" name=\"setval\" value=\"{$this->lang['strsetval']}\" />" . \PHP_EOL;
-            echo sprintf('<input type="submit" name="cancel" value="%s"  /></p>%s',$this->lang['strcancel'], \PHP_EOL);
+            echo \sprintf('<input type="submit" name="cancel" value="%s"  /></p>%s', $this->lang['strcancel'], \PHP_EOL);
             echo '</form>' . \PHP_EOL;
         } else {
             echo "<p>{$this->lang['strnodata']}</p>" . \PHP_EOL;
@@ -829,7 +829,7 @@ class SequencesController extends BaseController
             echo $this->view->form;
             echo '<input type="hidden" name="sequence" value="', \htmlspecialchars($_REQUEST['sequence']), '" />' . \PHP_EOL;
             echo "<input type=\"submit\" name=\"alter\" value=\"{$this->lang['stralter']}\" />" . \PHP_EOL;
-            echo sprintf('<input type="submit" name="cancel" value="%s"  /></p>%s',$this->lang['strcancel'], \PHP_EOL);
+            echo \sprintf('<input type="submit" name="cancel" value="%s"  /></p>%s', $this->lang['strcancel'], \PHP_EOL);
             echo '</form>' . \PHP_EOL;
         } else {
             echo "<p>{$this->lang['strnodata']}</p>" . \PHP_EOL;