Fix style fatal error (#4772)

wjrosa · web-flow · commit d26dfd2ab084 · 2025-11-10T13:16:41.000-03:00
diff --git a/changelog.txt b/changelog.txt
@@ -1,6 +1,7 @@
 *** Changelog ***
 
 = 10.1.0 - xxxx-xx-xx =
+* Fix - Fix fatal error when trying to allow the `display` CSS property using the `safe_style_css` filter
 * Fix - Remove `redirect_url` parameter from Express Checkout payment flow
 * Fix - Adjust UI spacing of help text on express checkout theme settings page
 * Update - Renames and migrates all Payment Request Buttons settings to Express Checkout
diff --git a/includes/payment-methods/class-wc-stripe-upe-payment-gateway.php b/includes/payment-methods/class-wc-stripe-upe-payment-gateway.php
@@ -292,7 +292,7 @@ public function __construct() {
 		add_filter(
 			'safe_style_css',
 			function ( $styles ) {
-				return array_merge( $styles, [ 'display' ] );
+				return is_array( $styles ) ? array_merge( $styles, [ 'display' ] ) : [ 'display' ];
 			}
 		);
 
diff --git a/readme.txt b/readme.txt
@@ -111,6 +111,7 @@ If you get stuck, you can ask for help in the [Plugin Forum](https://wordpress.o
 == Changelog ==
 
 = 10.1.0 - xxxx-xx-xx =
+* Fix - Fix fatal error when trying to allow the `display` CSS property using the `safe_style_css` filter
 * Fix - Remove `redirect_url` parameter from Express Checkout payment flow
 * Fix - Adjust UI spacing of help text on express checkout theme settings page
 * Update - Renames and migrates all Payment Request Buttons settings to Express Checkout

Original file line number	Diff line number	Diff line change
`@@ -292,7 +292,7 @@ public function __construct() {`
`292`	`292`	`add_filter(`
`293`	`293`	`'safe_style_css',`
`294`	`294`	`function ( $styles ) {`
`295`		`- return array_merge( $styles, [ 'display' ] );`
	`295`	`+ return is_array( $styles ) ? array_merge( $styles, [ 'display' ] ) : [ 'display' ];`
`296`	`296`	`}`
`297`	`297`	`);`
`298`	`298`