astra_addon_get_blog_grid_columns( $device = '' )

function astra_addon_get_blog_grid_columns( $device = '' ) {
	$grid_cols = astra_get_option( 'blog-grid-resp' );

	// If the option value is not an array, set it to default values.
	if ( ! is_array( $grid_cols ) ) {
		$defaults  = Astra_Theme_Options::defaults();
		$grid_cols = isset( $defaults['blog-grid-resp'] ) ? $defaults['blog-grid-resp'] : array();

		// Set default desktop value if 'blog-grid' key exists.
		if ( isset( $defaults['blog-grid'] ) ) {
			$grid_cols['desktop'] = $defaults['blog-grid'];
		}
	}

	// Return default or specified device grid columns.
	return isset( $grid_cols[ $device ] ) ? $grid_cols[ $device ] : $grid_cols;
}