Answers for "background images for wordpress site"

wordpress featured image as a background image

<?php
  	if ( has_post_thumbnail() ) {
    	$image_b1 = get_the_post_thumbnail_url();
  	}
	else {
  		$image_b1 = get_stylesheet_directory_uri().'/images/noimage.png';
	}
?>
  
 <div style="background-image: url(<?php echo $image_b1; ?>);">

code for background image in wordpress theme wordpress developer

function get_background_image() {
    return get_theme_mod( 'background_image', get_theme_support( 'custom-background', 'default-image' ) );
}