Replace file_get_contents with wp_remote_get

Author: sabernhardt

src/wp-includes/admin-bar.php

@@ -1428,17 +1428,20 @@ function wp_admin_bar_add_color_scheme_to_front_end() {
 	$url   = $color->url ?? '';
 
 	if ( $url ) {
-		$css = file_get_contents( $url );
-		if ( is_string( $css ) && str_contains( $css, '#wpadminbar' ) ) {
-			$start_position = strpos( $css, '#wpadminbar' );
-			$end_position   = strpos( $css, '.wp-pointer' );
-			if ( false !== $end_position && $end_position > $start_position ) {
-				$css = substr( $css, $start_position, $end_position - $start_position );
-				if ( SCRIPT_DEBUG ) {
-					$css = str_replace( '/* Pointers */', '', $css );
+		$response = wp_remote_get( $url );
+		if ( ! is_wp_error( $response ) ) {
+			$css = $response['body'];
+			if ( is_string( $css ) && str_contains( $css, '#wpadminbar' ) ) {
+				$start_position = strpos( $css, '#wpadminbar' );
+				$end_position   = strpos( $css, '.wp-pointer' );
+				if ( false !== $end_position && $end_position > $start_position ) {
+					$css = substr( $css, $start_position, $end_position - $start_position );
+					if ( SCRIPT_DEBUG ) {
+						$css = str_replace( '/* Pointers */', '', $css );
+					}
 				}
+				wp_add_inline_style( 'admin-bar', $css );
 			}
-			wp_add_inline_style( 'admin-bar', $css );
 		}
 	}
 }