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Editing File: /home/eticmes/www/wp-content/plugins/kirki/kirki-packages/field-background/src/CSS/Background.php

<?php
/**
 * Handles CSS output for background fields.
 *
 * @package    Kirki
 * @subpackage Controls
 * @copyright  Copyright (c) 2023, Themeum
 * @license    https://opensource.org/licenses/MIT
 * @since      3.0.0
 */

namespace Kirki\Field\CSS;

use Kirki\Module\CSS\Output;

/**
 * Output overrides.
 */
class Background extends Output {

/**
	 * Processes a single item from the `output` array.
	 *
	 * @access protected
	 * @param array $output The `output` item.
	 * @param array $value  The field's value.
	 */
	protected function process_output( $output, $value ) {
		$output = wp_parse_args(
			$output,
			[
				'media_query' => 'global',
				'element'     => 'body',
				'prefix'      => '',
				'suffix'      => '',
			]
		);

foreach ( [ 'background-image', 'background-color', 'background-repeat', 'background-position', 'background-size', 'background-attachment' ] as $property ) {

// See https://github.com/aristath/kirki/issues/1808.
			if ( 'background-color' === $property && isset( $value['background-color'] ) && $value['background-color'] && ( ! isset( $value['background-image'] ) || empty( $value['background-image'] ) ) ) {
				$this->styles[ $output['media_query'] ][ $output['element'] ]['background'] = $output['prefix'] . $this->process_property_value( $property, $value[ $property ] ) . $output['suffix'];
			}

if ( isset( $value[ $property ] ) && ! empty( $value[ $property ] ) ) {
				$this->styles[ $output['media_query'] ][ $output['element'] ][ $property ] = $output['prefix'] . $this->process_property_value( $property, $value[ $property ] ) . $output['suffix'];
			}
		}
	}
}

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