Updated code to display plugin settings link in the features screen and fix responsive layout for mobile

includes/admin/load.php

@@ -262,7 +262,7 @@ function perflab_install_activate_plugin_callback(): void {
 	$url = add_query_arg(
 		array(
 			'page'     => PERFLAB_SCREEN,
-			'activate' => 'true',
+			'activate' => $plugin_slug,
 		),
 		admin_url( 'options-general.php' )
 	);
@@ -287,7 +287,8 @@ function perflab_print_features_page_style(): void {
 		margin-left: 0;
 	}
 	.plugin-card-top {
-		min-height: auto;
+		/* This is required to ensure the Settings link does not extend below the bottom of a plugin card on a wide screen */
+		min-height: 90px;
 	}
 	.plugin-card .perflab-plugin-experimental {
 		font-size: 80%;
@@ -329,9 +330,43 @@ static function ( $name ) {
 		}
 	}
 
-	if ( isset( $_GET['activate'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+	/**
+	 * Sanitizes plugin slug.
+	 *
+	 * @param string $unsanitized_plugin_slug Unsanitized plugin slug.
+	 * @return string|null Sanitized plugin slug or null if invalid.
+	 */
+	$sanitize_plugin_slug = static function ( string $unsanitized_plugin_slug ): ?string {
+		if ( in_array( $unsanitized_plugin_slug, perflab_get_standalone_plugins(), true ) ) {
+			return $unsanitized_plugin_slug;
+		} else {
+			return null;
+		}
+	};
+
+	$activated_plugin_slug = null;
+	if ( isset( $_GET['activate'] ) && is_string( $_GET['activate'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+		$activated_plugin_slug = $sanitize_plugin_slug( (string) wp_unslash( $_GET['activate'] ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+	}
+
+	if ( $activated_plugin_slug ) {
+		$message = __( 'Feature activated.', 'performance-lab' );
+
+		$plugin_settings_url = perflab_get_plugin_settings_url( $activated_plugin_slug );
+		if ( $plugin_settings_url ) {
+			/* translators: %s is the settings URL */
+			$message .= ' ' . sprintf( __( 'Review <a href="%s">settings</a>.', 'performance-lab' ), esc_url( $plugin_settings_url ) );
+		}
+
 		wp_admin_notice(
-			esc_html__( 'Feature activated.', 'performance-lab' ),
+			wp_kses(
+				$message,
+				array(
+					'a' => array(
+						'href' => array(),
+					),
+				)
+			),
 			array(
 				'type'        => 'success',
 				'dismissible' => true,
@@ -375,3 +410,44 @@ function addPluginProgressIndicator( message ) {
 		array( 'type' => 'module' )
 	);
 }
+
+/**
+ * Gets the URL to the plugin settings screen if one exists.
+ *
+ * @since n.e.x.t
+ *
+ * @param string $plugin_slug Plugin slug passed to generate the settings link.
+ * @return string|null Either the plugin settings URL or null if not available.
+ */
+function perflab_get_plugin_settings_url( string $plugin_slug ): ?string {
+	$plugin_file = null;
+
+	foreach ( array_keys( get_plugins() ) as $file ) {
+		if ( strtok( $file, '/' ) === $plugin_slug ) {
+			$plugin_file = $file;
+			break;
+		}
+	}
+
+	if ( null === $plugin_file ) {
+		return null;
+	}
+
+	/** This filter is documented in wp-admin/includes/class-wp-plugins-list-table.php */
+	$plugin_links = apply_filters( "plugin_action_links_{$plugin_file}", array() );
+
+	if ( ! is_array( $plugin_links ) || ! array_key_exists( 'settings', $plugin_links ) ) {
+		return null;
+	}
+
+	$p = new WP_HTML_Tag_Processor( $plugin_links['settings'] );
+	if ( ! $p->next_tag( array( 'tag_name' => 'A' ) ) ) {
+		return null;
+	}
+	$href = $p->get_attribute( 'href' );
+	if ( $href && is_string( $href ) ) {
+		return $href;
+	}
+
+	return null;
+}

includes/admin/plugins.php

@@ -318,8 +318,7 @@ function perflab_render_plugin_card( array $plugin_data ): void {
 	/** This filter is documented in wp-admin/includes/class-wp-plugin-install-list-table.php */
 	$description = apply_filters( 'plugin_install_description', $description, $plugin_data );
 
-	$availability = perflab_get_plugin_availability( $plugin_data );
-
+	$availability   = perflab_get_plugin_availability( $plugin_data );
 	$compatible_php = $availability['compatible_php'];
 	$compatible_wp  = $availability['compatible_wp'];
 
@@ -398,6 +397,14 @@ function perflab_render_plugin_card( array $plugin_data ): void {
 			esc_html__( 'Visit plugin site', 'default' )
 		);
 	}
+
+	if ( $availability['activated'] ) {
+		$settings_url = perflab_get_plugin_settings_url( $plugin_data['slug'] );
+		if ( $settings_url ) {
+			/* translators: %s is the settings URL */
+			$action_links[] = sprintf( '<a href="%s">%s</a>', esc_url( $settings_url ), esc_html__( 'Settings', 'performance-lab' ) );
+		}
+	}
 	?>
 	<div class="plugin-card plugin-card-<?php echo sanitize_html_class( $plugin_data['slug'] ); ?>">
 		<?php