get_block_core_post_featured_image_overlay_element_markup( array $attributes ): string

149function get_block_core_post_featured_image_overlay_element_markup( $attributes ) {150	$has_dim_background  = isset( $attributes['dimRatio'] ) && $attributes['dimRatio'];151	$has_gradient        = isset( $attributes['gradient'] ) && $attributes['gradient'];152	$has_custom_gradient = isset( $attributes['customGradient'] ) && $attributes['customGradient'];153	$has_solid_overlay   = isset( $attributes['overlayColor'] ) && $attributes['overlayColor'];154	$has_custom_overlay  = isset( $attributes['customOverlayColor'] ) && $attributes['customOverlayColor'];155	$class_names         = array( 'wp-block-post-featured-image__overlay' );156	$styles              = array();157 158	if ( ! $has_dim_background ) {159		return '';160	}161 162	// Apply border classes and styles.163	$border_attributes = get_block_core_post_featured_image_border_attributes( $attributes );164 165	if ( ! empty( $border_attributes['class'] ) ) {166		$class_names[] = $border_attributes['class'];167	}168 169	if ( ! empty( $border_attributes['style'] ) ) {170		$styles[] = $border_attributes['style'];171	}172 173	// Apply overlay and gradient classes.174	$class_names[] = 'has-background-dim';175	$class_names[] = "has-background-dim-{$attributes['dimRatio']}";176 177	if ( $has_solid_overlay ) {178		$class_names[] = "has-{$attributes['overlayColor']}-background-color";179	}180 181	if ( $has_gradient || $has_custom_gradient ) {182		$class_names[] = 'has-background-gradient';183	}184 185	if ( $has_gradient ) {186		$class_names[] = "has-{$attributes['gradient']}-gradient-background";187	}188 189	// Apply background styles.190	if ( $has_custom_gradient ) {191		$styles[] = sprintf( 'background-image: %s;', $attributes['customGradient'] );192	}193 194	if ( $has_custom_overlay ) {195		$styles[] = sprintf( 'background-color: %s;', $attributes['customOverlayColor'] );196	}197 198	return sprintf(199		'<span class="%s" style="%s" aria-hidden="true"></span>',200		esc_attr( implode( ' ', $class_names ) ),201		esc_attr( safecss_filter_attr( implode( ' ', $styles ) ) )202	);203}