wp-enqueue-inline-styles.php

<?php
/**
 * Enqueue Inline Styles in WordPress.
 *
 * @author Mehul Gohil
 * @link https://www.mehulgohil.in/code-snippets/enqueue-inline-styles/
 */
function mg_enqueue_inline_styles() {

	$css  = '';
	$logo = get_option( 'options_mg_site_logo' );

	if ( $logo ) {
		$logo = wp_get_attachment_image_src( $logo, 'full' );
		$css .= '
			.site-title { background-image: url(' . $logo[0] . ');}
		';
	}

	// If $css is not empty, then add inline style.
	if ( ! empty( $css ) ) {
		wp_add_inline_style( 'mg-custom-theme-style-handle', $css );
	}
}

add_action( 'wp_enqueue_scripts', 'mg_enqueue_inline_styles' );