adding psalm linting

fine tuning of git files

restoring tests

fixes tests after refactoring

fine tuning for psalm baseline

1 files changed, 143 insertions, 137 deletions

diff --git a/src/controllers/InfoController.php b/src/controllers/InfoController.php
index 3d4a31a6..2e1f6a60 100644
--- a/src/controllers/InfoController.php
+++ b/src/controllers/InfoController.php
@@ -1,7 +1,10 @@
 <?php
 
+// declare(strict_types=1);
+
 /**
- * PHPPgAdmin v6.0.0-RC9
+ * PHPPgAdmin vv6.0.0-RC8-16-g13de173f
+ *
  */
 
 namespace PHPPgAdmin\Controller;
@@ -10,8 +13,6 @@ use PHPPgAdmin\Decorators\Decorator;
 
 /**
  * Base controller class.
- *
- * @package PHPPgAdmin
  */
 class InfoController extends BaseController
 {
@@ -20,9 +21,9 @@ class InfoController extends BaseController
     /**
      * Default method to render the controller according to the action parameter.
      */
-    public function render()
+    public function render(): void
     {
-        $this->printHeader($this->headerTitle('', '', $_REQUEST['table'].' - '.$this->lang['strinfo']));
+        $this->printHeader($this->headerTitle('', '', $_REQUEST['table'] . ' - ' . $this->lang['strinfo']));
         $this->printBody();
 
         switch ($this->action) {
@@ -63,53 +64,53 @@ class InfoController extends BaseController
         $indexstatsio   = $data->getStatsIndexIO($_REQUEST['table']);
 
         // Check that there is some info
-        if (($referrers === -99 || ($referrers !== -99 && 0 == $referrers->recordCount()))
-            && 0 == $parents->recordCount() && 0 == $children->recordCount()
-            && (0 == $tablestatstups->recordCount() && 0 == $tablestatsio->recordCount()
-                && 0 == $indexstatstups->recordCount() && 0 == $indexstatsio->recordCount())) {
+        if ((-99 === $referrers || (-99 !== $referrers && 0 === $referrers->recordCount()))
+            && 0 === $parents->recordCount() && 0 === $children->recordCount()
+            && (0 === $tablestatstups->recordCount() && 0 === $tablestatsio->recordCount()
+                && 0 === $indexstatstups->recordCount() && 0 === $indexstatsio->recordCount())) {
             $this->printMsg($this->lang['strnoinfo']);
 
             return;
         }
         // Referring foreign tables
-        if ($referrers !== -99 && $referrers->recordCount() > 0) {
+        if (-99 !== $referrers && 0 < $referrers->recordCount()) {
             $this->_printReferring($referrers);
         }
 
         // Parent tables
-        if ($parents->recordCount() > 0) {
+        if (0 < $parents->recordCount()) {
             $this->_printParents($parents);
         }
 
         // Child tables
-        if ($children->recordCount() > 0) {
+        if (0 < $children->recordCount()) {
             $this->_printChildren($children);
         }
 
         // Row performance
-        if ($tablestatstups->recordCount() > 0) {
+        if (0 < $tablestatstups->recordCount()) {
             $this->_printTablestatstups($tablestatstups);
         }
 
         // I/O performance
-        if ($tablestatsio->recordCount() > 0) {
+        if (0 < $tablestatsio->recordCount()) {
             $this->_printTablestatsio($tablestatsio);
         }
 
         // Index row performance
-        if ($indexstatstups->recordCount() > 0) {
+        if (0 < $indexstatstups->recordCount()) {
             $this->_printIndexstatstups($indexstatstups);
         }
 
         // Index I/0 performance
-        if ($indexstatsio->recordCount() > 0) {
+        if (0 < $indexstatsio->recordCount()) {
             $this->_printIndexstatsio($indexstatsio);
         }
     }
 
-    private function _printChildren($children)
+    private function _printChildren($children): void
     {
-        echo "<h3>{$this->lang['strchildtables']}</h3>".PHP_EOL;
+        echo "<h3>{$this->lang['strchildtables']}</h3>" . \PHP_EOL;
 
         $columns = [
             'schema'  => [
@@ -143,193 +144,198 @@ class InfoController extends BaseController
         echo $this->printTable($children, $columns, $actions, 'info-children', $this->lang['strnodata']);
     }
 
-    private function _printTablestatstups($tablestatstups)
+    private function _printTablestatstups($tablestatstups): void
     {
-        echo "<h3>{$this->lang['strrowperf']}</h3>".PHP_EOL;
-
-        echo '<table>'.PHP_EOL;
-        echo "\t<tr>".PHP_EOL;
-        echo "\t\t<th class=\"data\" colspan=\"2\">{$this->lang['strsequential']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\" colspan=\"2\">{$this->lang['strindex']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\" colspan=\"3\">{$this->lang['strrows2']}</th>".PHP_EOL;
-        echo "\t</tr>".PHP_EOL;
-        echo "\t<tr>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strscan']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strread']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strscan']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strfetch']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strinsert']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strupdate']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strdelete']}</th>".PHP_EOL;
-        echo "\t</tr>".PHP_EOL;
+        echo "<h3>{$this->lang['strrowperf']}</h3>" . \PHP_EOL;
+
+        echo '<table>' . \PHP_EOL;
+        echo "\t<tr>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\" colspan=\"2\">{$this->lang['strsequential']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\" colspan=\"2\">{$this->lang['strindex']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\" colspan=\"3\">{$this->lang['strrows2']}</th>" . \PHP_EOL;
+        echo "\t</tr>" . \PHP_EOL;
+        echo "\t<tr>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strscan']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strread']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strscan']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strfetch']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strinsert']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strupdate']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strdelete']}</th>" . \PHP_EOL;
+        echo "\t</tr>" . \PHP_EOL;
         $i = 0;
 
         while (!$tablestatstups->EOF) {
-            $id = (0 == ($i % 2) ? '1' : '2');
-            echo "\t<tr class=\"data{$id}\">".PHP_EOL;
-            echo "\t\t<td>", $this->misc->printVal($tablestatstups->fields['seq_scan'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t\t<td>", $this->misc->printVal($tablestatstups->fields['seq_tup_read'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t\t<td>", $this->misc->printVal($tablestatstups->fields['idx_scan'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t\t<td>", $this->misc->printVal($tablestatstups->fields['idx_tup_fetch'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t\t<td>", $this->misc->printVal($tablestatstups->fields['n_tup_ins'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t\t<td>", $this->misc->printVal($tablestatstups->fields['n_tup_upd'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t\t<td>", $this->misc->printVal($tablestatstups->fields['n_tup_del'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t</tr>".PHP_EOL;
+            $id = (0 === ($i % 2) ? '1' : '2');
+            echo "\t<tr class=\"data{$id}\">" . \PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($tablestatstups->fields['seq_scan'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($tablestatstups->fields['seq_tup_read'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($tablestatstups->fields['idx_scan'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($tablestatstups->fields['idx_tup_fetch'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($tablestatstups->fields['n_tup_ins'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($tablestatstups->fields['n_tup_upd'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($tablestatstups->fields['n_tup_del'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t</tr>" . \PHP_EOL;
             $tablestatstups->movenext();
             ++$i;
         }
 
-        echo '</table>'.PHP_EOL;
+        echo '</table>' . \PHP_EOL;
     }
 
-    private function _printTablestatsio($tablestatsio)
+    private function _printTablestatsio($tablestatsio): void
     {
-        echo "<h3>{$this->lang['strioperf']}</h3>".PHP_EOL;
-
-        echo '<table>'.PHP_EOL;
-        echo "\t<tr>".PHP_EOL;
-        echo "\t\t<th class=\"data\" colspan=\"3\">{$this->lang['strheap']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\" colspan=\"3\">{$this->lang['strindex']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\" colspan=\"3\">{$this->lang['strtoast']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\" colspan=\"3\">{$this->lang['strtoastindex']}</th>".PHP_EOL;
-        echo "\t</tr>".PHP_EOL;
-        echo "\t<tr>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strdisk']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strcache']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strpercent']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strdisk']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strcache']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strpercent']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strdisk']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strcache']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strpercent']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strdisk']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strcache']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strpercent']}</th>".PHP_EOL;
-        echo "\t</tr>".PHP_EOL;
+        echo "<h3>{$this->lang['strioperf']}</h3>" . \PHP_EOL;
+
+        echo '<table>' . \PHP_EOL;
+        echo "\t<tr>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\" colspan=\"3\">{$this->lang['strheap']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\" colspan=\"3\">{$this->lang['strindex']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\" colspan=\"3\">{$this->lang['strtoast']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\" colspan=\"3\">{$this->lang['strtoastindex']}</th>" . \PHP_EOL;
+        echo "\t</tr>" . \PHP_EOL;
+        echo "\t<tr>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strdisk']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strcache']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strpercent']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strdisk']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strcache']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strpercent']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strdisk']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strcache']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strpercent']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strdisk']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strcache']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strpercent']}</th>" . \PHP_EOL;
+        echo "\t</tr>" . \PHP_EOL;
         $i = 0;
 
         while (!$tablestatsio->EOF) {
-            $id = (0 == ($i % 2) ? '1' : '2');
-            echo "\t<tr class=\"data{$id}\">".PHP_EOL;
+            $id = (0 === ($i % 2) ? '1' : '2');
+            echo "\t<tr class=\"data{$id}\">" . \PHP_EOL;
 
             $total = $tablestatsio->fields['heap_blks_hit'] + $tablestatsio->fields['heap_blks_read'];
-            if ($total > 0) {
-                $percentage = round(($tablestatsio->fields['heap_blks_hit'] / $total) * 100);
+
+            if (0 < $total) {
+                $percentage = \round(($tablestatsio->fields['heap_blks_hit'] / $total) * 100);
             } else {
                 $percentage = 0;
             }
 
-            echo "\t\t<td>", $this->misc->printVal($tablestatsio->fields['heap_blks_read'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t\t<td>", $this->misc->printVal($tablestatsio->fields['heap_blks_hit'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t\t<td>({$percentage}{$this->lang['strpercent']})</td>".PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($tablestatsio->fields['heap_blks_read'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($tablestatsio->fields['heap_blks_hit'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t\t<td>({$percentage}{$this->lang['strpercent']})</td>" . \PHP_EOL;
 
             $total = $tablestatsio->fields['idx_blks_hit'] + $tablestatsio->fields['idx_blks_read'];
-            if ($total > 0) {
-                $percentage = round(($tablestatsio->fields['idx_blks_hit'] / $total) * 100);
+
+            if (0 < $total) {
+                $percentage = \round(($tablestatsio->fields['idx_blks_hit'] / $total) * 100);
             } else {
                 $percentage = 0;
             }
 
-            echo "\t\t<td>", $this->misc->printVal($tablestatsio->fields['idx_blks_read'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t\t<td>", $this->misc->printVal($tablestatsio->fields['idx_blks_hit'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t\t<td>({$percentage}{$this->lang['strpercent']})</td>".PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($tablestatsio->fields['idx_blks_read'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($tablestatsio->fields['idx_blks_hit'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t\t<td>({$percentage}{$this->lang['strpercent']})</td>" . \PHP_EOL;
 
             $total = $tablestatsio->fields['toast_blks_hit'] + $tablestatsio->fields['toast_blks_read'];
-            if ($total > 0) {
-                $percentage = round(($tablestatsio->fields['toast_blks_hit'] / $total) * 100);
+
+            if (0 < $total) {
+                $percentage = \round(($tablestatsio->fields['toast_blks_hit'] / $total) * 100);
             } else {
                 $percentage = 0;
             }
 
-            echo "\t\t<td>", $this->misc->printVal($tablestatsio->fields['toast_blks_read'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t\t<td>", $this->misc->printVal($tablestatsio->fields['toast_blks_hit'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t\t<td>({$percentage}{$this->lang['strpercent']})</td>".PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($tablestatsio->fields['toast_blks_read'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($tablestatsio->fields['toast_blks_hit'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t\t<td>({$percentage}{$this->lang['strpercent']})</td>" . \PHP_EOL;
 
             $total = $tablestatsio->fields['tidx_blks_hit'] + $tablestatsio->fields['tidx_blks_read'];
-            if ($total > 0) {
-                $percentage = round(($tablestatsio->fields['tidx_blks_hit'] / $total) * 100);
+
+            if (0 < $total) {
+                $percentage = \round(($tablestatsio->fields['tidx_blks_hit'] / $total) * 100);
             } else {
                 $percentage = 0;
             }
 
-            echo "\t\t<td>", $this->misc->printVal($tablestatsio->fields['tidx_blks_read'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t\t<td>", $this->misc->printVal($tablestatsio->fields['tidx_blks_hit'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t\t<td>({$percentage}{$this->lang['strpercent']})</td>".PHP_EOL;
-            echo "\t</tr>".PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($tablestatsio->fields['tidx_blks_read'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($tablestatsio->fields['tidx_blks_hit'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t\t<td>({$percentage}{$this->lang['strpercent']})</td>" . \PHP_EOL;
+            echo "\t</tr>" . \PHP_EOL;
             $tablestatsio->movenext();
             ++$i;
         }
 
-        echo '</table>'.PHP_EOL;
+        echo '</table>' . \PHP_EOL;
     }
 
-    private function _printIndexstatstups($indexstatstups)
+    private function _printIndexstatstups($indexstatstups): void
     {
-        echo "<h3>{$this->lang['stridxrowperf']}</h3>".PHP_EOL;
-
-        echo '<table>'.PHP_EOL;
-        echo "\t<tr>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strindex']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strscan']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strread']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strfetch']}</th>".PHP_EOL;
-        echo "\t</tr>".PHP_EOL;
+        echo "<h3>{$this->lang['stridxrowperf']}</h3>" . \PHP_EOL;
+
+        echo '<table>' . \PHP_EOL;
+        echo "\t<tr>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strindex']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strscan']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strread']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strfetch']}</th>" . \PHP_EOL;
+        echo "\t</tr>" . \PHP_EOL;
         $i = 0;
 
         while (!$indexstatstups->EOF) {
-            $id = (0 == ($i % 2) ? '1' : '2');
-            echo "\t<tr class=\"data{$id}\">".PHP_EOL;
-            echo "\t\t<td>", $this->misc->printVal($indexstatstups->fields['indexrelname']), '</td>'.PHP_EOL;
-            echo "\t\t<td>", $this->misc->printVal($indexstatstups->fields['idx_scan'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t\t<td>", $this->misc->printVal($indexstatstups->fields['idx_tup_read'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t\t<td>", $this->misc->printVal($indexstatstups->fields['idx_tup_fetch'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t</tr>".PHP_EOL;
+            $id = (0 === ($i % 2) ? '1' : '2');
+            echo "\t<tr class=\"data{$id}\">" . \PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($indexstatstups->fields['indexrelname']), '</td>' . \PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($indexstatstups->fields['idx_scan'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($indexstatstups->fields['idx_tup_read'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($indexstatstups->fields['idx_tup_fetch'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t</tr>" . \PHP_EOL;
             $indexstatstups->movenext();
             ++$i;
         }
 
-        echo '</table>'.PHP_EOL;
+        echo '</table>' . \PHP_EOL;
     }
 
-    private function _printIndexstatsio($indexstatsio)
+    private function _printIndexstatsio($indexstatsio): void
     {
-        echo "<h3>{$this->lang['stridxioperf']}</h3>".PHP_EOL;
-
-        echo '<table>'.PHP_EOL;
-        echo "\t<tr>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strindex']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strdisk']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strcache']}</th>".PHP_EOL;
-        echo "\t\t<th class=\"data\">{$this->lang['strpercent']}</th>".PHP_EOL;
-        echo "\t</tr>".PHP_EOL;
+        echo "<h3>{$this->lang['stridxioperf']}</h3>" . \PHP_EOL;
+
+        echo '<table>' . \PHP_EOL;
+        echo "\t<tr>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strindex']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strdisk']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strcache']}</th>" . \PHP_EOL;
+        echo "\t\t<th class=\"data\">{$this->lang['strpercent']}</th>" . \PHP_EOL;
+        echo "\t</tr>" . \PHP_EOL;
         $i = 0;
 
         while (!$indexstatsio->EOF) {
-            $id = (0 == ($i % 2) ? '1' : '2');
-            echo "\t<tr class=\"data{$id}\">".PHP_EOL;
+            $id = (0 === ($i % 2) ? '1' : '2');
+            echo "\t<tr class=\"data{$id}\">" . \PHP_EOL;
             $total = $indexstatsio->fields['idx_blks_hit'] + $indexstatsio->fields['idx_blks_read'];
-            if ($total > 0) {
-                $percentage = round(($indexstatsio->fields['idx_blks_hit'] / $total) * 100);
+
+            if (0 < $total) {
+                $percentage = \round(($indexstatsio->fields['idx_blks_hit'] / $total) * 100);
             } else {
                 $percentage = 0;
             }
 
-            echo "\t\t<td>", $this->misc->printVal($indexstatsio->fields['indexrelname']), '</td>'.PHP_EOL;
-            echo "\t\t<td>", $this->misc->printVal($indexstatsio->fields['idx_blks_read'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t\t<td>", $this->misc->printVal($indexstatsio->fields['idx_blks_hit'], 'int4', $this->shownull), '</td>'.PHP_EOL;
-            echo "\t\t<td>({$percentage}{$this->lang['strpercent']})</td>".PHP_EOL;
-            echo "\t</tr>".PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($indexstatsio->fields['indexrelname']), '</td>' . \PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($indexstatsio->fields['idx_blks_read'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t\t<td>", $this->misc->printVal($indexstatsio->fields['idx_blks_hit'], 'int4', $this->shownull), '</td>' . \PHP_EOL;
+            echo "\t\t<td>({$percentage}{$this->lang['strpercent']})</td>" . \PHP_EOL;
+            echo "\t</tr>" . \PHP_EOL;
             $indexstatsio->movenext();
             ++$i;
         }
 
-        echo '</table>'.PHP_EOL;
+        echo '</table>' . \PHP_EOL;
     }
 
-    private function _printParents($parents)
+    private function _printParents($parents): void
     {
-        echo "<h3>{$this->lang['strparenttables']}</h3>".PHP_EOL;
+        echo "<h3>{$this->lang['strparenttables']}</h3>" . \PHP_EOL;
 
         $columns = [
             'schema'  => [
@@ -363,9 +369,9 @@ class InfoController extends BaseController
         echo $this->printTable($parents, $columns, $actions, 'info-parents', $this->lang['strnodata']);
     }
 
-    private function _printReferring($referrers)
+    private function _printReferring($referrers): void
     {
-        echo "<h3>{$this->lang['strreferringtables']}</h3>".PHP_EOL;
+        echo "<h3>{$this->lang['strreferringtables']}</h3>" . \PHP_EOL;
 
         $columns = [
             'schema'     => [