Merge pull request #12 from tawk/fix/display-widget-show-pages

fix undefined variable `$showPages`

Author: eug-L

tawk_to/src/core/TawktoGenerator.php

@@ -92,7 +92,9 @@ private function shouldDisplayWidget($options = null)
         // prepare visibility
         $currentUrl = $base_url.$_SERVER["REQUEST_URI"];
         if ($options->always_display == false) {
-            if (UrlPatternMatcher::match($currentUrl, $showPages)) {
+            $show_pages = json_decode($options->show_oncustom);
+
+            if (UrlPatternMatcher::match($currentUrl, $show_pages)) {
                 $show = true;
             }
 
@@ -595,12 +597,18 @@ public function setOptions($options)
             switch ($column) {
                 case 'hide_oncustom':
                 case 'show_oncustom':
-                    // replace newlines and returns with comma, and convert to array for saving
+                    // split by newlines, then remove empty lines
                     $value = urldecode($value);
-                    $value = str_ireplace(["\r\n", "\r", "\n"], ',', $value);
-                    $value = explode(",", $value);
-                    $value = (empty($value) || !$value) ? array() : $value;
-                    $jsonOpts[$column] = json_encode($value);
+                    $value = str_ireplace("\r", "\n", $value);
+                    $value = explode("\n", $value);
+                    $non_empty_values = array();
+                    foreach ($value as $str) {
+                        $trimmed = trim($str);
+                        if ($trimmed !== '') {
+                            $non_empty_values[] = $trimmed;
+                        }
+                    }
+                    $jsonOpts[$column] = json_encode($non_empty_values);
                     break;
 
                 case 'show_onfrontpage':