first commit

wp-content/plugins/elementor/modules/variables/transformers/global-variable-transformer.php

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+<?php
+
+namespace Elementor\Modules\Variables\Transformers;
+
+use Elementor\Modules\Variables\Classes\Variables;
+use Elementor\Modules\AtomicWidgets\PropsResolver\Transformer_Base;
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly.
+}
+
+class Global_Variable_Transformer extends Transformer_Base {
+	public function transform( $value, $key ) {
+		$variable = Variables::by_id( $value );
+
+		if ( ! $variable ) {
+			return null;
+		}
+
+		if ( array_key_exists( 'deleted', $variable ) && $variable['deleted'] ) {
+			return "var(--{$value})";
+		}
+
+		$identifier = $variable['label'];
+
+		if ( ! trim( $identifier ) ) {
+			return null;
+		}
+
+		return "var(--{$identifier})";
+	}
+}