Update Select.php, use single quote.

kiatng · web-flow · commit b702e78d0c8d · 2024-08-09T18:55:48.000+08:00
diff --git a/app/code/core/Mage/Adminhtml/Block/Widget/Grid/Column/Filter/Select.php b/app/code/core/Mage/Adminhtml/Block/Widget/Grid/Column/Filter/Select.php
@@ -56,7 +56,7 @@ protected function _renderOption($option, $value)
     {
         if (!array_key_exists('value', $option)) {
             if (!array_key_exists('label', $option)) {
-                return "";
+                return '';
             }
 
             $lbl =  $this->escapeHtml($option['label']); // or just empty as well?

Original file line number	Diff line number	Diff line change
`@@ -56,7 +56,7 @@ protected function _renderOption($option, $value)`
`56`	`56`	`{`
`57`	`57`	`if (!array_key_exists('value', $option)) {`
`58`	`58`	`if (!array_key_exists('label', $option)) {`
`59`		`- return "";`
	`59`	`+ return '';`
`60`	`60`	`}`
`61`	`61`
`62`	`62`	`$lbl = $this->escapeHtml($option['label']); // or just empty as well?`