Invalid custom image storage folder setting

Invalid custom image storage folder setting.

function wpse_16722_type_upload_dir( $args ) {

// Get the current post_id
$id = ( isset( $_REQUEST[‘post_id’] ) ? $_REQUEST[‘post_id’] : ” );

if( $id ) {
// Set the new path depends on current post_type
$newdir = ‘/’ . get_post_type( $id );

$args[‘path’] = str_replace( $args[‘subdir’], ”, $args[‘path’] ); //remove default subdir
$args[‘url’] = str_replace( $args[‘subdir’], ”, $args[‘url’] );
$args[‘subdir’] = $newdir;
$args[‘path’] .= $newdir;
$args[‘url’] .= $newdir;
}
return $args;
}
add_filter( ‘upload_dir’, ‘wpse_16722_type_upload_dir’,9999);

Not stored in the desired folder. .